BIOS / CMOS
In ROM BIOS, the acronym BIOS stands for:
a) Basic Intuitive Output Set
b) Basic Input Organizational System
*c) Basic Input Output System
d) Basic Industry Operating System
What is a common complication when adding a 1.6G IDE hard drive to an
older system such as a 16 Mhz 80386 system?
a) The drive is too big for the available drive bays
b) The old style IDE connector won't plug in properly
c) The power supply may be sufficient
*d) System BIOS needs to be upgraded
During the normal PC boot process, which of the following is
active first?
a) RAM BIOS
b) CMOS
*c) ROM BIOS
d) Hard disk information
When SHADOWING is enabled in a computers BIOS:
a) Values are stored twice in the memory for redundancy checking
b) The conventional memory is re-mapped to the top of the extended
memory
c) Data stored in RAM chips on adapter cards are shadowed into
extended memory
*d) Instructions stored in various ROM chips are copied into
extended memory
What may you need to upgrade after installing a brand new IDE drive on
your old PC?
a) new drive controller
b) more Ram
*c) ROM BIOS
d) new operating system
You have an old PC that you decide to upgrade with a 1 gig IDE hard drive.
You find that you can't configure CMOS to see the entire hard drive.
The best you can do is 540 Meg. What is the fix?
a) get a newer PC
b) manually input the sectors, cylinders, and heads
c) put multiple partitions on the hard drive
d) make the bios think it's a SCSI drive
*e) use a device driver that makes the bios see the drive as simply
a block storage device, or upgrade the bios if possible
In CMOS setup, if you enable Shadowing, what happens?
a) rom memory is minimized
*b) rom is copied to ram
c) rom memory is maximized
d) rom cannot be used by the bios
Basic system configuration information is stored in
a) BIOS
b) Config.sys
c) ROM
*d) CMOS
During the normal PC boot process, which of the following is active first?
*a) RAM BIOS
b) CMOS
c) ROM BIOS
d) Hard Disk info
If you enable ROM BIOS Shadowing in CMOS, what happens?
a) ROM memory is minimized
*b) A copy of the BIOS is placed in RAM
c) ROM is used in place of RAM
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BUS ARCHITECTURE
What bus architecture is the fastest?
a) MCA
b) ISA
c) VESA Local Bus
*d) PCI
Which is both a 16 and 32 bit bus?
a) ISA
*b) EISA
c) PCI
d) PowerPC
IBM's Micro Channel Architecture (MCA) specifies which type of the
following bit access widths?
a) 8 bit & 16 bit
b) 16 bit & 24 bit
*c) 16 bit & 32 bit
d) 32 bit & 64 bit
Which type of system board is the MOST likely candidate for processor
upgrading if you want maximum performance and future compatibility?
a) ML
*b) PCI
c) ISA
d) EISA
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CABLES
SVGA monitor cables have _____ pins.
a) 9
*b) 15
c) 12
d) 10
The maximum length for a serial cable is ______.
a) 15
b) 25
c) 35
*d) 50
When connecting a ribbon cable to a connector, how do you know which
direction to plug it in?
a) The red line in the cable goes to the highest pin number
*b) The colored line in the cable goes to pin #1
c) It does not matter
d) The blue or red line in the cable goes away from the power
connector
On a flat data cable, a red or blue stripe means:
a) ground
b) high voltage
c) null connection
*d) pin 1
e) that it's an IDE or SCSI cable CD-ROM
CD-ROM drives typically have which of the following interfaces?
Select all that apply.
a) serial
*b) parallel
*c) IDE
*d) SCSI
e) ESDI
Your IDE CD-ROM drive is attached to the primary IDE adapter with your
hard drive. How should its jumpers be set?
a) as a master
*b) as a slave
c) as neutral
d) auto detect
e) to 001
When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI
adapter to:
a) B0007
*b) An unused SCSI address
c) The same address as the SCSI device before the CD-ROM
d) SCSI ID=1
Which controller would support an external CD-ROM drive?
a) ESDI
b) ARLL
c) MFM
*d) SCSI
What does ATAPI have to do with?
a) modem
b) power supply
*c) CD-ROM
d) hard drive
A 5 inch CD can store:
a) 950 MB
*b) 650 MB
c) 1.2 GB
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CLEANING / Maintenance
To clean the plastic case of a PC you would use?
a) All purpose cleaner
b) Alcohol
*c) Damp cloth
d) Soapy water
What should you use to clean the plastic cover on your monitor or PC?
Select all that apply.
a) Alcohol
b) damp sponge
*c) lint-free cloth
d) silicon spray
*e) mild soap solution
What two products are to clean plastic covers? (choose two)
a) mild, soapy water
b) Silicone spray
*c) clean, lint free cloth
d) Anti-static spray
Which should you use for cleaning Mylar-protected LCD screens?
a) Ammonia window cleaner
*b) non-abrasive cleanser
c) Anti-static wipes
d) Alcohol-impregnated
To clean plastic covers you should use: (choose 2)
*a) All purpose cleaner
b) Denatured Alcohol
*c) Damp cloth
d) Anti-Static spray
What would you use to clean the printhead on a dot-matrix printer?
a) All-purpose cleaner
b) Soapy water
*c) Denatured Alcohol
What product is used to clean smudged keys on a keyboard?
a) TMC solvent
B) Silicone spray
c) Denatured alcohol
d) All-purpose cleaner
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CPU
One of the major components of a PC is the Central Processing Unit
(CPU) which can be best described as:
a) The device that sends the monitor signals telling it what to
display
b) The area that regulates all of the system power usage
c) The area where all the of the Basic input/output routines are
stored
*d) The area where all of the processing takes place
A numeric co-processor handles what function?
a) POST
*b) Floating Point Calculations
c) Counts RAM
d) Data Processing
What does the CPU do? (choose all that apply)
a) Control power voltages
*b) Execute program instructions
c) Dictate video resolution
*d) Perform math functions
*e) Control input/output operations
You get a call from a user complaining that his computer consistently
locks up after only 5 minutes of operation. What is the possible cause?
a) Track 0 bad
*b) bad CPU fan
c) Faulty power supply
What types of Cache memory are available on a Pentium Pro CPU?
a) L1
*b) L1, L2
c) L1, L2, L3
d) L1, L2, L3, L4
The first CPU to come with a built-in co-processor is ________?
a) 486sx
*b) 486dx
c) 386sx
d) 386dx
Which processor uses slot 1?
a) 8088
b) 80386
c) 486DX
*d) Pentium II
A PC with a 486DX2 processor runs internally at 50 Mhz. What speed would
its external logic be running?
a) 10 MHz
*b) 25 Mhz
c) 50 MHz
d) 100 MHz
Which processor uses Socket 7?
a) 80286
b) 80387
*c) Pentium
d) 386DX
The _____ chip uses a 64-bit data path.
a) 486dx
B) 386sx
*c) Pentium
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CRT/MONITORS/VIDEO
The standard VGA display has ____ pixels in its native graphics
mode?
a) 640x320
*b) 640x480
c) 680x440
d) 1024x786
The monitor power LED is 'on' but the monitor screen is completely dark.
The least likely cause of the problem is:
a) Defect in the computer's video circuitry
b) Disconnected video cable
c) Defective monitor
*d) System RAM problem
How long should you wait for the CRT to discharge before opening the
case?
a) A few seconds
b) 10 minutes
c) 30 minutes
*d) 60 minutes or more
What tool would you use to properly discharge the CRT?
a) Insulated pliers
b) VOM
c) Logic probe
*d) High voltage probe
If your monitor has random dots in it the problem most likely resides in:
a) Monitor
*b) Video Card
c) Software
d) Interrupt Level
Which step should you perform first before discharging a CRT?
a) Remove the CRT from its housing
b) Disconnect the CRT from the computer
c) Remove the video assembly
*d) Turn power off before removing power source
What would you ask to determine if the display is working?
a) Is there a video cursor or action on the screen?
b) Did the computer beep or chime?
c) Is there high voltage static on the screen
d) Is the brightness or contrast turned up or down?
*e) All of the above
Color Monitors use ___ Electron Guns
*a) 3
b) 4
c) 6
Which components could cause a blank screen?
*a) Power supply
*b) Video card
*c) CPU
*d) RAM
A customer calls and says that his monitor light is on but he has no
display. His PC apparently seems to boot OK and is running. What is
the first thing you would do?
a) Check the power cord
b) Reseat the video card
c) Discharge the CRT
*d) Check the monitor controls
Which would you do first when troubleshooting a faulty monitor?
*a) Check its connections to the computer and power source
b) Use a meter to check the CRT and internal circuitry for continuity
c) Power down the monitor, then turn it on again to see if that
corrects the problem
d) Power down the computer, then turn it on again to see if that
corrects the problem
A monitor's CRT can pack quite a wallop of a charge even if it's been
turned off for several days or more. Before you service a monitor, you
must discharge the CRT using a tool specific for that purpose.
Before you do the discharge, what must you do first?
a) make sure the monitor is not connected to a PC
*b) make sure the monitor is unplugged
c) make sure the monitor is turned off
d) make sure the brightness is turned down
e) make sure your life insurance policy is paid up
You have a PC with no video. Which of the following is LEAST likely to
be causing the problem?
a) defective ram (bank zero)
b) defective microprocessor
*c) crashed hard drive
d) loose video card
e) low AC outlet power
Your customer calls with a "wobbly video display" What do you recommend
that they try to do to fix it?
a) Replace the Monitor
b) Discharge the CRT
c) Replace the Monitor cable and power supply
*d) Relocate electronic devices that might be near the monitor
How long should a monitor be powered down before you attempt to work on it?
a) 5 minutes
b) one week
c) 20 minutes
*d) 60 minutes
Which monitor would provide the highest level of performance?
a) VGA
b) XGA
c) CGA
*d) SVGA
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CONNECTORS
What is the 36-pin connector is used for on an I/O card?
a) SCSI
b) IDE
c) Floppy
d) EIDE
What is a common connector for a serial port?
*a) DB9
b) RJ11
c) RJ45
d) Centronics
A 25-pin female connector on the back of your computer will typically be:
a) Serial port
*b) A parallel port
c) Docking
d) COM2 port
What cable connector would be on your parallel printer cable?
a) dB 9
*b) DB 25
c) RS-232
d) RJ-45
On the PC side, the printer port is a:
a) 25 pin female serial connector
b) 15 pin female parallel connector
c) 25 pin male serial connector
d) 15 pin female serial connector
*e) 25 pin female parallel connector
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ELECTRONICS
A WARNING! label alerts to ______.
a) Possible computer damage
*b) Potential of personal injury
c) Dangerously high concentration of di-lithium crystals
d) Peripheral should only be installed by an expert technician
What type of fire extinguisher would you use to put out an electrical fire?
a) A
b) B
*c) C
d) D
A________ holds a charge even after current is disconnected
a) Resistor
b) Transistor
*c) Capacitors
d) Fuse
A resistor is rated in ________?
a) Farads
b) Watts
*c) Ohms
A capacitor is rated in______?
*a) Farads
b) Watts
c) Ohms
Capacitance is measured in what units?
a) Volts
b) Ohms
c) Amps
*d) Farads
Resistance is measured in?
a) Volts
b) Amps
c) Watts
*d) Ohms
The smaller prong on an AC plug is the Phase side.
*a) True
b) False
The larger prong on the AC plug is the hot side.
a) True
*b) False
On a wall outlet, which side is neutral?
a) The shorter slot
*b) The longer slot
c) Both sides
A motherboard generally requires how many volts to operate?
a) 10 - 20
*b) 5
c) 150 - 300
d) 15 - 25
e) 12
The DC voltage on most circuit boards is:
a) -12 volts
b) 0 volts
*c) +5 volts
d) +12 volts
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ESD/EMI
To avoid ESD when working on a PC: (choose two)
*a) Assure that you and the PC are at the same electrical charge
level
b) Connect a grounding wire from the PC to a non-conductor
c) Connect your grounding wrist strap to the PC's logic board
*d) Use anti-static spray liberally
When don't you wear a wrist strap?
*a) When working on a CRT
b) When Working on a CPU
c) When installing video cards
d) When installing a hard drive
What is the best ground for a conductive workbench?
*a) AC outlet
b) Ground to bend
c) To another device
d) Chassis ground
A wrist-grounding strap contains which of the following:
a) Surge protector
b) Capacitor
c) Voltmeter
*d) Resistor
ESD potential decreases with the use of:
a) De-ionizing fans
*b) A wrist strap
c) Rubber gloves with matching cap
d) A static meter
ESD would cause the most damage to which component?
a) Power supply
*b) Expansion board
c) Monitor
d) Keyboard
ESD is most likely to cause failures on which of the following components?
(choose two)
a) CD-ROM drive
b) Power supply
*c) I/O controller
*d) RAM module
e) Hard drive
What is the best ground for a conductive workbench?
*a) AC outlet
b) Ground to bench
c) Computer Chassis
d) To another device
Static electricity thrives is which type of environment?
a) cold and humid
b) warm and humid
c) warm and dry
d) cold and warm
*e) cold and dry
What is the better ground source?
a) Workbench Ground
b) Computer Chassis
*c) Electrical Outlet Ground
The ESD wrist strap is designed to protect PC Components or Service
Technicians?
a) PC Components
b) Service Technicians
*c) Both
ESD is ___________.
a) electronic stasis device
*b) electrostatic discharge
c) electric surge device
d) electronic system driver
The best place to connect a grounding wrist-strap is?
a) To the power neutral socket
*b) To the socket's ground
c) Anywhere on the PC's frame
d) On the PC's power supply
Which item provides the most protection against ESD during
troubleshooting?
a) Rubber soled shoes
b) anti-static mat
c) Anti-static brush
*d) ESD Grounding wrist strap
When is the potential for ESD the greatest?
a) cold
b) warm with low humidity
*c) Cold with low humidity
What's the difference between ESD and EMI?
a) ESD is recoverable
b) ESD does not cause damage
*c) EMI is recoverable
d) EMI does not cause damage
An ESD wrist strap only protects the equipment, and not the Tech.
a) True
*b) False
ESD damage can be caused by:
*a) Placing an IC in a non-conductive plastic bag
b) Placing an IC on a grounded mat
c) Repeated sags in current supplied from outlets
d) Touching metal on the chassis
Which items provide the most protection against ESD during troubleshooting?
(choose two)
a) Grounding wire
*b) Anti-static mat
c) Anti-static brush
*d) ESD grounding wrist strap
When is the risk for electrostatic discharge the greatest?
a) Day time
b) High humidity
*c) Low humidity
d) Night time
What is EMI?
*a) electro-magnetic interference
b) electronic maintenance inquiry
c) Specification for BUS type
d) type of hard-drive
You should never put floppy drives, hard drives, or even VCR tapes or
cassette tapes on top of speakers (or near any other source of magnetism)
because of:
a) RFI
*b) EMI
c) EXE
d) FYI
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FLOPPY
The floppy drive light stays on when you power up the system.
It means that
a) the CMOS setting set to 720 KB instead of 1.44 MB
b) the disk inside is not bootable
*c) the FDD cable is reversed
d) the FDD cable is not inserted
When not in use, it is very important to keep 5 1/4 diskettes in ______.
*a) Their protective sleeves
b) In a plastic bag
c) On a shelf in an upright position
d) In the floppy drive
3.5 HD floppy disks have how many square holes on top?
a) 0
b) 1
*c) 2
d) depends if they are formatted or not
After displaying the directory of a floppy disk, a different floppy is
inserted into the drive. The contents of the original floppy's directory
still continue to be display regardless of a new directory request on the
other floppy placed in the drive. You remove the drive in question and
install it into your test system, and it does not exhibit the problem.
You should next replace the:
a) System's floppy drive device driver
b) Original IDE controller
*c) Floppy drive ribbon cable
d) System's power supply
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FRU's
Which FRU REQUIRES an anti-static bag for transport?
a) Monitor
b) Floppy disks
c) Power supply
*d) I/O controller
e) Speaker sub-system
Which is NOT typically a Field Replaceable Unit?
a) System ROM
b) Power supply
*c) System chassis
d) Video controller
Which of the following would be considered an FRU? Select all that apply.
*a) hard drive
*b) system board
*c) ram
d) DMA controller
*e) level 2 cache SIMM
Suppose that you have a "solid" failure, and the maintenance package
identifies several possible FRU's that will resolve the problem.
What should you do after turning the power off?
*a) Replace the indicated parts, one at a time in the recommended
sequence,until the problem is resolved; return unused FRU's to stock
b) Replace all of the indicated FRU's at once and return the machine
to the customer if the problem is resolved
c) Follow the same procedure as in "A" EXCEPT always replace the
system board first if it is on the list of possible FRU's
d) If multiple FRU's are indicated, then software is the most likely
source of the problem.
What is not a common replaceable FRU?
*a) Chassis
b) System Board
c) Power Supply
d) Floppy Drive
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HARD DISKS
TWO primary performance restraints for mass storage devices are:
a) Storage ability
b) Driver acceleration
*c) Disk Access Time
d) Route mobility
*e) Rate of transfer
What's the best way to protect your hard drive data?
*a) regular backups
b) periodically defrag it
c) run chkdsk at least once a week
d) run scandisk at least once a week
e) run a regular diagnostic
Which of the following is a type of preventative maintenance used on a
hard drive?
*a) Disk check diagnostics
b) Head alignment diagnostics
c) Initializing
d) Uninstalling programs
It is most important to keep hard drives and diskettes away from?
(choose two)
a) Telephones
b) Battery-operated devices
*c) Magnetic devices
*d) Temperature extremes
You are about to install a second IDE hard drive in a PC that has only
one IDE adapter. Your first hard drive will still be the boot drive.
How should the second drive be configured?
a) as a master
b) as a secondary
*c) as a slave
d) as a primary
e) as auto-select
The acronym HDI stands for:
a) Half duplex interface
b) Hard disk interface
*c) Head to disk interference
d) Help desk interference
A feature of EIDE is
*a) Up to 6 drives
b) ATAPI
Which is NOT a part of EIDE?
a) ATAPI
b) Secondary Controller
c) Sector Translation
d) LBA
A hard disk is divided into tracks, which are further subdivided into:
a) clusters
*b) sectors
c) vectors
d) heads
How may bytes in one Sector
a) 64K
b) 2048
*c) 512
d) 1024K
Which would you have to upgrade to install an EIDE drive?
a) RAM BIOS
b) A 286 CPU
c) Serial board
d) ISA motherboard
*e) Controller board
The tracks on a hard drive are further divided into
a) clusters
*b) sectors
c) vectors
d) heads
To install a second IDE drive into a computer, you must:
*a) Set the master-slave jumper to slave on the second drive
b) Use the IDE configuration software to set the new drive as slave
c) Verify that you define the new drive as D: in the CMOS setup
d) Verity that you attach the drive to the connector at the end of
the ribbon cable
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IRQ's
You just bought a new video card. What is an important question to answer
before installing?
a) CPU speed
b) Type of bus
*c) Available IRQ's
d) Monitor type
An IRQ allows interface cards to:
*a) Interrupt the CPU to request service
b) Pass data to the CPU to be processed
c) Pass data from one card to another
d) Pass data to the computers memory
How many standard levels of interrupts are provided on the 8-bit ISA bus
(XT-class computer)?
a) 4
*b) 8
c) 12
d) 16
Serial ports are assigned interrupts to avoid conflict between the ports .
Which port(s) should be assigned to IRQ 4?
*a) COM1
b) COM2
*c) COM3
d) COM4
IRQ 6 is typically reserved for:
*a) The floppy
b) The keyboard controller
c) LPT2
d) The modem
On the 16-bit ISA bus, IRQ 2 is elevated to which higher level interrupt?
*a) 9
b) 11
c) 13
d) 15
Serial ports are assigned interrupts to avoid conflict between the ports.
Which port(s) should be assigned to IRQ 4?
*a) COM1
b) COM2
*c) COM3
d) COM4
Which comports use IRQ 4
*a) COM1 and COM3
b) COM1 and COM4
c) COM2 and COM3
d) COM2 and COM4
e) COM1 and COM2
Which IRQ is not available for an add-on card on an ISA bus?
a) 5
b) 10
c) 3
d) 4
*e) 1
What IRQ does COM 4 use?
*a) 3
b) 4
c) 5
d) 7
Which IRQ is commonly used by the Floppy drive controller?
a) IRQ 5
b) IRQ 2
c) IRQ 10
*d) IRQ 6
The Floppy Drive uses IRQ.
*a) 6
b) 3
c) 1
IRQ 4 is used for Com
a) 1,2
b) 2,4
*c) 1,3
IRQ 6 is classically reserved for the _____________?
a) Keyboard
*b) Floppy Disk Drive
c) Cascade
d) IRQ Controller
The Keyboard uses IRQ.
a) 6
b) 3
*c) 1
d) 9
The default setting for COM2 means I/O address 2F8, IRQ __?
*a) 3
b) 4
c) 6
d) 2/9
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MODEMS
Before a modem transmits, it sends a:
*a) RTS
b) DTR
c) DSR
d) RQS
e) TRX
14.4 modem should transmit _____ bits per second
*a) 14,400-15,000
b) 140-150
c) 1400-1500
d) 140,000-150,000
On a leased line installation a known good external modem shows no carrier
detect light. Where is the problem most likely to be?
a) In the modem
*b) In the phone line
c) In the computer
d) In the DTC equipment
In order for a modem to accept data, which of the following signals must
be present? (choose all that apply)
a) Data detect
*b) Carrier detect
c) Transmit message
*d) Receive data
Modems use ________________ transmission.
a) synchronous
*b) asynchronous
c) timed interval
d) ata
e) bank
Which hardware component controls serial port communications?
a) ROM BIOS
b) CPU
c)DMA823
*d) UART 16550
What does Full Duplex mean?
*a) Simultaneous Transmit and Receive
b) Transmit and Receive but not simultaneous
c) Transmit for a set period then receive
Your external modems RTS led is lit what does this mean?
a) Return to sender
b) Run to serial
*c) Request to send
d) run the sound
What does the acronym RTS represent?
a) Required to save
b) Ready to start
*c) Request to send
d) Right to separate
The term Modem means.
*a) Modulator/Demodulator
b) Modern Data Emulation
c) Modern Data Emission Module
Your external modem fails to initialize. Check the________first?
*a) Phone line
b) Serial cable
c) Modem driver
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MULTIMETER/VOM
The digital multimeter is set for DC, Ohm and 20k. You will read ____ while
measuring a good 2-amp fuse.
*a) 0.00
b) 0.02
c) 0.20
d) 2.00
If you check a good 4-amp fuse with the ohmmeter set at 20 what reading
would you get?
a) .04
b) .40
*c) 0.0
d) 00.4
A wall outlet can be tested for correct polarity with a VOM.
*a) True
b) False
What resistance in ohms should be displayed when testing a speaker in
a computer?
*a) 0 Ohms
b) -16 Ohms
c) -200 Ohms
d) Unlimited Ohms
What configuration should a Volt-Ohm Meter be set to when testing a fuse?
a) DC volts
b) AC volts
c) Amperage
*d) Ohms
When you are going to measure an unknown voltage you should always start
with the meter on the_______ voltage setting to prevent damage to the
multimeter.
*a) Highest
b) Lowest
c) 100 ma
d) 0 ohms
When you are testing a fuse, you should set the Volt-OHM meter to what
scale?
a) AC
b) DC
c) AMPS
*d) OHMS
When measuring AC (Alternating Current) with a multimeter, it is important
to maintain the proper polarity.
a) True
*b) False
To test for AC ripple on a PC power supply, you would set the volt/ohm
meter for:
a ) DC voltage
*b) AC voltage
c) OHM scale
d) Farad scale
A standard multimeter is ideal for measuring a monitor's high voltage
output.
a) True
*b) False
Testing a 2-amp fuse with meter set at 20 reading should be
a) 2
b) 20
*c) 0
d) 02.0
e) 200
When measuring an unknown voltage you should always start with the meter
on the _______voltage setting to prevent damage to the meter.
*a) highest
b) lowest
c) DC volts
d) OHMS
When testing a fuse you should set the multimeter to what scale?
a) AC
b) DC
c) AMPS
*d) OHMS
When checking a circuit you always set the meter to the lowest setting.
a) True
*b) False
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NETWORKS
LAN stands for Local Analog Network
a) True
*b) False
A Token Ring can communicate in any direction.
a) True
*b) False
_____is the slowest type of LAN.
a) Token Ring
*b) Arcnet
c) Ethernet
What is the cheapest way to access the Internet?
a) DCC
b) Leased line
c) Dedicated line
*d) Dial Up access
Twisted pair cabling uses an RJ-11 connector.
a) True
*b) False
Which cable type offers the most security?
a) Coaxial
b) Shielded twisted pair
*c) Fiber optic
d) Twisted pair
Which statement is not true about a repeater?
a) It regenerates network signals so they can travel farther.
b) They are primarily used in linear cable systems.
*c) Every node on the network must have the same address.
d) All segments must have the same access address.
A gateway can be a computer.
*a) True
b) False
Which statement is not true statement about bridges?
a) Some bridges can translate protocols.
*b) A bridge can not be used in an Arcnet LAN.
c) A bridge can be used to split a network into two segments .
A router is more versatile than a bridge.
*a) True
b) False
An outside terminator is used with what cable?
*a) Coaxial
b) STP
c) TP
d) All of above
In a peer-to-peer LAN a workstation can be a client and server.
*a) True
b) False
To have a client-server LAN you must use _______?
a) 2 computers and a printer.
*b) 3 computers.
c) 2 computers.
Ethernet uses a________ topology?
a) Star
*b) Bus
c) Ring
Token Ring uses a________ topology?
a) Star
b) Bus
*c) Ring
Arcnet uses a________ topology?
*a) Star
b) Bus
c) Ring
Ethernet, Tokenring, and Arcnet are_____?
a) Topologies
b) Buses
*c) Protocols
What is not an example of a network?
a) LAN (Local Area Network)
b) WAN (Wide Area Network)
c) MAN (Metropolitan Area Network)
*d) NAN (National Area Network)
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PCMCIA / PORTABLES
What specification covers PC cards?
a) SCSI
b) ISA
*c) PCMCIA
d) MFM
Type 1 PC cards:
a) are used only in desktops
b) are no longer being produced
*c) are the thinnest of the PC cards
d) have their own power source
A Type 1 PCMCIA card is:
a) The same physical size as other PCMCIA cards but configured
differently
*b) The thinnest PCMCIA card, measuring 3.5 mm in thickness
c) The thickest PCMCIA card, measuring 10.5 mm in thickness
d) An old standard that is not compatible with the newest laptops
Which type of PCMCIA card supports Hard Drives?
a) Type I
b)Type II
*c) Type III
d) Type IV
Where can PC card bus mastering be disabled?
a) Config.sys
*b) BIOS
c) Win.ini
d) with jumpers
A customer attached an external drive to his notebook computer but the
computer is not recognizing it. What should be considered?
*a) The cables are attached firmly
*b) The external drive has been pre-loaded with the appropriate
software
*c) The external drive was attached before the computer was on
*d) The external drive is turned on
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PORTS / IO address
Which of the following devices send and receive information from other
devices? (choose all that apply)
a) Mouse port
*b) Serial port
c) Video port
*d) Parallel port
Which peripheral port provides the FASTEST throughput to laser printers?
a) RS-232
b) SCSI
*c) Parallel
d) Serial
An interface in which bits flow one at a time is___
a) SCSI
b) Parallel
*c) Serial
A customer has one printer on LPT1 and wants to add another printer.
To which port should it be connected?
a) Game port
*b) COM1
*c) LPT2
*d) COM2
COM1 is typically represented by which of the following?
a) 15 pin port
*b) 9 pin male port
c) 9 pin female port
d) 25 pin male port
Which of the following are both input and output devices?
a) Monitor
*b) Serial Port
*c) Parallel port
d) Mouse
A COM port is a _______ port.
` a) parallel
*b) serial
c) static
d) multi
e) scsi
You have a printer on LPT1, you want to install another printer.
Where can't you assign the printer?
a) COM1
b) COM4
*c) LPT2
d) LPT1
What is the I/O address used for COM 3?
a) 3F8
*b) 2F8
c) 3E8
d) 378
What is the i/o address for COM1?
a) 3e8
b) 3bc
c) 5f8
*d) 3f8
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POST
POST stands for:
a) positive operating system test
b) particle of static transfer
*c) power on self test
d) printer online static test
e) printer online standard test
If a PC boots normally but you hear no beeps what could be the problem?
a) Normal operation
b) Incorrect BIOS Setting
*c) PC speaker unhooked/inoperable
d) floppy disk in drive
The POST is performed by
*a) The Rom Bios Chip
b) The Basic Rom Chip
c) The Disk operating system
A ----- error code identifies a floppy drive problem
a) 301
b) 501
*c) 601
A series 300 error is a problem with the ______.
a) Video
b) Floppy drive
c) Memory
*d) Keyboard
POST stands for________?
*a) Power on self test
b) Positive operating system test
c) Printer online test
When you boot a PC and don't hear any beep, this could suggest which of
the following?
a) The monitor is turned off
b) Keyboard not plugged in
c) Normal PC boot
*d) Bad or disconnected speaker
During boot-up, the memory test:
a) Is a superfluous step that should be ignored
*b) Checks and verifies that contiguous memory is installed
c) Is an operational error
d)Displays what memory is installed, but nothing else
During the boot process, a system first counts memory from where?
a) Expansion memory board
b) Video adapter
*c) System board
d) Cache
The following process determines the amount of memory present,
the date/time, and which communications ports and display adapters
are installed in a microcomputer?
a) Start-up utility test
*b) Power on Self Test
c) Power up boot process
d) Power on start up process
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POWER SUPPLY
The output votage of a PC power supply is_____
a) AC
*b) DC
c) Amp
d) Watt
It is okay for a Certified Tech. to open a power supply to repair it.
a) True
*b) False
A Power Supply is rated in_______?
a) Farads
*b) Watts
c) Ohms
An AT Power supply provides _____volts.
*a)+12,-12,+5,-5
b) +5,-5,+12,-12
c) 0,5,12,3.3
d)+5,-5,+12,-12,+3.3,-3.3
A fan on a power supply stops working, what do you do
a) Replace Fan
*b) Replace power supply
The fan in the power supply has a bad bearing. How should you service it?
a) Disconnect fan
b) Replace bearing
c) Replace fan
*d) Replace power supply
When considering replacement of a PC's power supply, one should be
concerned with its________ (choose two)
*a) Voltage and ampere rating
*b) Size and shape, on/off switch placement, and wattage
c) Connector wiring color scheme and voltages
d) Phase inductance and switching capability
You plug a power supply's connectors onto the system board. You know you
did it correctly because:
a) the two sets of black wires are facing the outside edge of the
system board
*b) the two sets of black wires are together in the middle
c) one set of black wires is outside, one is toward the inside
d) all are facing the power supply
e) it doesn't matter as long as they can be plugged in
When replacing a power supply in a computer, how do the black wires
connect to the mother board?
a) they face away from each other on the outside
*b) they face each other on the inside
c) it doesn't matter
d) they are the first and third wires plugged in
How can you totally protect a PC from damage during an electrical storm?
*a) Disconnect the AC power cable
b) Disconnect all external cables and power cords
c) Use a surge protector
d) Turn off the AC power
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PRINTERS
Suppose that the power lamp in on, but the printer will not
print. What can you do to correct the problem?
*a) Make sure the printer is on line
b) Replace the AC line fuse `
c) Turn the printer on and off
d) Replace the ribbon
Your client gets garbage characters when trying to print a document.
Which of the questions listed below could you ask? (choose all that apply)
*a) Occurrence (how often)?
*b) Do you have a sample?
*c) What applications are being used?
*d) Where is the printer located?
A customer complains his printer doesn't work but the light is on.
What is the first thing you should ask?
a) Is it plugged in
b) Is it turned on
*c) Is it on line
What is the first thing you could do to check for damage to a printer
after receiving it?
a) Run MSD diagnostics
b) Attach it to a PC and print something
c) Check the cables
*d) Unbox it and examine it for physical damage
Most modern printers connect to the serial port.
a)True
*b) False
A thermal printer uses a special paper and heat to produce an image.
*a) True
b) False
If the printing resolution is 300dpi it is?
*a) 300 dots per inch
b) 300 dents per inch
c) 300 dots per instruction
d) None of the above
(DOT-MATRIX)
During preventative maintenance on a dot matrix printer, do NOT lubricate:
a) Platen assembly
b) Print head pulley
*c) Print head pins
d) Paper advance gear bushings
With a dot matrix printer, light then dark print is most commonly caused by:
a) Erratic paper advancement
*b) Erratic ribbon advancement
c) Misalligned print head
d) Overheating print head
If the output on a dot-matrix printer fades from the left to the right,
you probably need to adjust the____________?
*a) Platen
b) Printhead
c) Roller
d) Feed Mechanism
When printing with a Dot Matrix Printer, the test is not even darker in
some places than others. What is the expected problem?
a ) Bent platen
b) Bad ribbon
*c) Worn print wires
What action will correct patchy, faint, uneven or intermittent print on
a dot matrix printer?
*a) Replacing the ribbon
b) Replacing the timing belt
c) Adjusting the paper feed tension
d) Adjusting the tractor feed tension
When servicing a dot matrix printer, which component gets very hot?
a) Paper feeder
b) Drive Chassis
*c) Printhead
d) Timing Belt
Your customer tells you the print quality of their dot matrix printer is
light then dark. Which of the following could cause the problem.
Choose the BEST answer.
a) Paper slippage
*b) Improper ribbon advancement
c) Paper thickness
d) Head position
A printwire is used in a_______printer
a) Laser
b) Inkjet
c) Thermol
*d) Dot Matrix
Dot matrix printers commonly use _____pins.
a) 9,16, or 25
*b) 9,18, or 24
c) 8,16, or 24
On a dot matrix printer the letters are beginning to fade. You_____
a) Clean Platen
*b) Change Ribbon
c) Tighten head
d) Checks hard drive for lost clusters
(INK JET)
What does an Inkjet printer use to guide the flow of ink droplets?
a) High pressure air.
b) Heat
*c) Electrically charged metall plates.
It isn't a good idea to reuse a ink jet cartridge because_____?
a) It will void the printer warrantee
b) The ink isn't as good
*c) With a new cartridge you are also replacing the jets
(LASER)
After you service a laser printer, you notice dirty print.
Which of the following would correct the problem. Choose the BEST answer.
a) Clean the developer tank
b) Reset the printer
*c) Run several blank pages
d) Clean the laser diode
Which component will not c ause a paper jam
a) Fuser roller
*b) Scanner unit
c) PC Drum
In a laser printer, the _____________ charges the paper so the toner
will be attracted to it?
a) Toner Cartridge
b) Fuser Pad
c) Imaging Laser / LED Array
*d) Transfer Corona
In laser technology, what happens during the transfer stage?
a) Residual toner is transferred to the waste receptacle
b) The laser transfers the image from the drum to the paper.
*c) The image is transferred from the drum to the paper
d) A negative charge is transferred to the surface of the drum
Which part of the Laser printer should NOT be exposed to sunlight?
*a) Drum
b) Transfer corona assembly
c) Toner cartridge
d) Primary corona assembly
What is the purpose of a Thermal Fuse?
a) In case the low voltage power supply overheats
b) In case the High voltage power supply overheats
*c) To guard against the Fusing roller over heating.
The laser printer is on, you hear the fan running, but it won't print.
The first thing you should check is?
a) that all the cables are connected securely
b) that the correct print driver is installed
*c) that the printer is online
d) that the printer has paper
e) that the printer is not jammed
Which component must be vacuumed or replaced during preventative
maintenance on a laser printer?
a) Scanning mirror
b) Toner cartridge
*c) Ozone filter
d) The EP Drum
To prevent toner from sticking to a laser printer's heat rollers,
apply which of the following:
a) Alcohol
*b) Oil
c) Ammonia
The coating on the drum of a laser printer is_____?
a) Rubber
b) Never exposed to light
*c) Light sensitive
The fusing unit of a laser printer uses____and_____ to
bond the image to the paper.
*a) Heat, Pressure
b) Pressure,Time
c) Heat,Negative charge
Developing is the third step in the EP process.
a) True
*b) False
The transfer corona wire in a laser printer has a strong______ charge
*a) positive +
b) negaitve-
You just replaced the toner in a laser printer and the pages are smeared
. What should you do to correct problem?
*a) Run several pages thru printer
b) Clean drum
c) Replace cleaning blade
Using paper that is to coarse in a laser printer can________
*a) Cause premature wear to the paper path
b) Void manufacture warrantee
c) Cause the print to be lighter than normal
The first five steps of EP process happen in the toner cartridge
*a) True
b) False
What is the EP? ________?
a) Electronic Processing
*b) Electro Photo Process
c) Electro Process
Toner particles have a ____ charge.
a) + (positive)
*b) - (negative)
The developing step of EP is_______
a) After the transferring step
b) When positively charged toner is attracted to the drum
c) The laser creates a latent image
*d) None of the above
Which is the easiest component to enviromentally recycle?
a) Motherboards
b) CMOS batteries
*c) Toner cartridges
d) Cathode ray tubes
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RAM
Soft memory errors are caused by____
) Bad Simm
b) Short in circuit
*c) Random events
"Parity" errors usually indicate bad memory.
*a) True
b) False
A parity error usually indicates a problem with:
*a) memory
b) hard drive
c) hard drive controller
d) i/o controller
e) power supply
What action will enable more applications to run simultaneously?
a) Add larger hard drive
b) Increase size of Pagefile
c) Upgrade CPU
*d) Add RAM
Which provides the fastest data access time?
*a) RAM
b) ROM
c) CD-ROM
d) Hard disk
e) Floppy disk
What component would most likely cause a "parity error"?
a) Hard disk
b) Controller
*c) Bad RAM
d) Software
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RECYCLING
Which is the most difficult environmentally to dispose of?
a) floppy drives
b) hard drives
c) power supplies
*d) batteries
e) system boards
What would be an environmental concern when disposing?
*a) Cmos battery
b) ram chip
c) system board
d) hard drive
Which of the following items would require you to comply with EPA disposal
guidelines?
a) Keyboard
b) System board
c) Power supply
*d) Battery
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SCSI
The acronym SCSI stands for ____.
*a) Small computer systems interface
b) Super computer small interface
c) System configured size interface
d) Swift control software interupt
In the Binary numbering system, a (1)represents a jumper being shorted
and a (0) represents a jumper being open. On a three-bit jumper block
on a SCSI drive, how would an ID of logical 3 be set?
a) 100
b) 010
*c) 011
d) 101
With a 3 jumper shunt, what is the highest number that can be made using
the binary numbering system?
a) 3
b) 5
*c) 7
d) 8
Which provides the fastest access to large video files?
a) Optical drives
b) IDE hard drives
*c) SCSI hard drives
d) EIDE hard drives
When connecting two external SCSI hard disks to a computer, where do you
connect the second hard drive?
*a) Any open SCSI port on the computer
b) A Serial port on the first host adapter
c) An open parallel port on the computer
d) An open SCSI port on the first hard drive
Which of the following statements is true?
a) Two SCSI devices connected to a computer can have the same ID
if they are both hard drives.
*b) Each SCSI device must have its own ID
c) All SCSI devices must have the same ID
d) SCSI ID's are irrelevant
When installing a SCSI CD-ROM drive, you must set the CD-ROM
SCSI adapter to:
a) B0007
*b) An unused SCSI address
c) The same address as the SCSI device before the CD-ROM
d) SCSI ID=1
Which controller would support an external CD-ROM drive?
a) ESDI
b) ARLL
c) MFM
*d) SCSI
Which of the following FRUs would be considered both an input/output device?
a)Video board
*b) SCSI host adapter
c) System board CPU
Which of the following statements is true?
a) Two SCSI devices connected to a comptuer can have the same ID
is they are both hard drives.
*b) Each SCSI device must have its own ID
c) All SCSI devices must have the same ID
d)SCSI ID's are irrelevant
Your PC has 2 SCSI devices, an internal SCSI harddrive and an external
SCSI CD-Rom, which do you terminate?
a) the SCSI adapter card and the harddrive
b) the SCSI Harddrive
c) the SCSI adapter
*d) the SCSI harddrive and the CDRom
e) No need to terminate anything
Which type of interface provides for the fastest data transfer?
a) IDE
*b) SCSI
c) parallel
d) serial
e) ISA
The SCSI boot drive must be addressed as
*a) ID 0
b) ID 3
c) ID 1
The binary address of the SCSI host adapter is
*a) 0111
b) 1010
c) 1110
Which of the following will NOT be a SCSI device?
a) Hard Disk drive
b) CD-ROM drive
c) Tape Backup unit
*d) Floppy disk drive
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Troubleshooting
Your diagnoses is that 5 cards are defective in a PC you should_____
*a) Recheck for software or I/O conflicts
b) Replace cards all at once
c) Replace cards one at a time
You have a PC with no video on a known good monitor. Pick the best order
you should follow in tracking down the problem.
a) replace the video card, replace the monitor, replace the power
supply, replace the system board,try a different monitor
*b) check that PC and monitor are plugged in, check that monitor
brightness is turned up, check that PC fan is running, remove all
option cards
c) check PC supply voltages, replace video card, replace CPU
d) check that everything's plugged in, replace system board
e) check that everything's plugged in, replace hard drive, replace ram
Which of the following would be a logical first step in troubleshooting a PC?
a) Check the computer CMOS
*b) Define the circumstances of the problem
c) Call the vendor
d) Define what applications are being used
After displaying the directory of a floppy disk, a different floppy is
inserted into the drive. The contents of the original floppy continues
to display regardless of the director requests on the other floppies
placed in the drive. You remove the drive in question and install it
into your test system, and it does not exhibit the problem. You should
next replace the:
a) System's floppy drive device driver
b) Original IDE controller
*c) Floppy drive ribbon cable
d) System's power supply
What questions could be asked to determine if a problem is software or
hardware related? (choose all that apply)
*a) Does the computer BEEP during the boot phase?
*b) Did peripheral devices initialize, i.e. printers?
*c) Will hardware components pass diagnostics?
d) Determine how many serial ports are installed in the system.
A keyboard locks up intermittently even when replaced with a new keyboard.
What is the LEAST likely cause of the problem?
*a) A second bad keyboard
b) The keyboard controller chip
c) The keyboard connector
d) The motherboard
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UPS/SPS/Surge protectors
Surge Suppressors offer excellent protection for computer equipment.
a) True
*b) False
What can you use to ensure power is not interrupted, resulting in
corrupted data?
*a) UPS
b) Proper grounding
c) Surge protector
d) Sag protector
Which of the following can protect against power sags?
a) Surge suppressor
*b) UPS
c) Properly grounded wall outlet
d) IEEE wall jack
What can prevent loss of power during an outage?
a) Surge suppressors
*b) UPS
c) Power Bar
Line conditioners are not required unless you have severe power problems.
*a) True
b) False
Surge Suppressors offer excellent protection for computer equipment.
a) True
*b) False
A UPS is the best all around protection for computers.
*a) True
b) False
_________ help prevent power surges.
*a) Surge suppressor
b) Spike protector
c) UPS system
d) High-grade multi-meter
MISC.
Keyboards have a microprocessor.
a) False
*b) True
DC2000, DAT, and QIC80 are all examples of _______.
a) Video cards
b) Hard drive controllers
c) Cleaning solvent
*d) Back-up tape media
Which of the following are both input/output devices?
Select all that apply.
*a) modem
*b) SCSI controller
c) keyboard
d) mouse
e) monitor
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