MISC / & TROUBLE - SHOOTING
QUESTIONS #11
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| 11 . If a knock out slot is out of the back of
the computer and not being used, what could this cause? A. System over heat B. Power surge C. Power spike D. Hard disk failure |
| 12 . Where do you enable BUS mastering? A. Config.sys B. Autoexec.bat C. CMOS D. PCMCIA card |
| 13 . When installing an Identical ISA NIC to replace a bad existing one, be sure to: A. Save the settings of the old card B. Edit CMOS settings C. Format the hard drive D. All of these |
| 14 . What is the best back up power supply? A. Line conditioner B. Surge protector C. UPS D. SPS |
| 15 . Standard I/O for hard disk controller: A. 1F0h B. 3F8h C. 2F8h D. 3E8h |
| 16 . What's the best way to prevent damaging your PC with static electricity? A. Wear a wrist strap B. Place your PC on a rubber mat C. Connect your wrist strap to an AC outlet ground D. Wear a large overcoat |
| `17 . Which of the below connectors are normally used as serial ports on personal computers? A. maleDB9, male DB15 B. male DB9, male DB25 C. female DB5 D. female DB15 |
| 18 . If COM2 and LPT1 are already being used, which
of the following methods could be used to connect another printer? A. Configure it as COM1 or LPT2 B. Put in a SCSI card and connect a printer to it. C. Use a switch box to connect the peripherals together. |
| 19 . Select all that apply. When troubleshooting an expansion board,
you should take into consideration the possibility of conflicts in all of the following except: A. I/O addresses B. DMA channels C. ROM addresses D. RAM addresses |
| 20 . What do you use to check for line surges? A. multimeter B. battery tester C. battery tester D. line analyzer |
| 21 What is the best method of cleaning a dusty PC keyboard? . A. Wipe out the dust with a wet cloth B. Remove the bezel and blow out the dust. C. Remove the bezel and vacuum out the dust. D. Flush out the dust with a mild liquid detergent. |
| 22 . A customer has one printer on LPT1 and wants to add another printer.
To which port/s can it be connected? A. Game port B. COM1 ,LPT2 C. LPT2 , COM2 D. COM2 |
| 23 . Which of the following is an input device only? A. mouse B. modem C. SCSI controller D. video card |
| 24 . Which component stores an electrical charge? A. diode B. capacitor C. resistor D. transistor |
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| 25. The floppy drive uses which DMA (direct memory access) channel? A. 1 B. 2 C. 3 D. 4 |
| 26 . Which computer system component is used for short-term data storage? A. Hard drive B. Tape drive C. Floppy drive D. RAM |
| 27. What would cause a fixed disk error? A. No CD-ROM installed B. Incorrect CMOS settings C. Bad RAM D. Slow processor |
| 28. How can you find out if TSR is loaded? A. MSD B. MEM C. MEM/C D. DIR |
| 29. The major advantage of using Flash ROM is A. you can upgrade BIOS without replacing the chip B. you do not have to re-load the operating system C. hard drives are protected D. memory capacity is increased |
| 30. . When an I/O device such as a serial port or modem is not enabled during startup, what is the cause? A. corrupted memory B. failed BIOS C. lost clusters D. monitor burnout |
| 31 . A(n) ______ partition must exist on the hard drive in order to install Windows 95. A. CDFS B. HPFS C. FAT D. NTFS |
| 32 . In Windows 95, Plug and Play must use _______ virtual device drivers called VxDs. A. 8-bit B. 16-bit C. 32-bit D. 64-bit |
| 33 .What is one way to recover from the error message "No operating system found" when starting Windows 95? A. Insert a CD-ROM with the system files and run the SYS command B. Reboot on a floppy with system files and use the SYS C: command C. Insert the Windows 95 CD-ROM and use the FORMAT C: /F command D. Reboot on a floppy with system files and use the FORMAT C: /F command |
| 34 . During the boot up of your PC you get a message on the screen "ERROR 601" What does this message mean ? A. A bad RAM B. A bad or disconnected power supply C. A bad video card D. A bad floppy drive or floppy controller |
| 35 . A laptop has a black border on the screen and the screen does not fill the entire LCD. What is the most likely cause of the problem? A. Incorrect BIOS B. Incorrect display settings C. Insufficient system RAM D. A bad battery |
| 36. At the end of a SCSI chain you should use a terminator. This terminator is ? A. capacitor B. resisitor C. diode D. transistor |
| 37. Where is the basic information about the motherboard and system configuration is stored ? A. RAM B. CMOS C. VRAM D. ROM |
| 38 . Which term refers to a PC Card you can remove and replace without powering the computer off? A. Plug and Play B. Hot-swappable C. Socket services D. Card services |
| 39. You are installing a NIC card in your computer. Your computer already has a serial mouse on COM1, printer on LPT1, modem on COM2, and sound card. You set the IRQ on the NIC card to 3. What device it will most likely to have a conflict with? A. Modem B. Mouse C. Sound card D. Printer |
| 40 . Which of the following would be considered an FRU? A. hard drive B. system board C. ram D. All of the above |
| 41 . Which of the following would not be considered an FRU? A. DMA controller B. IRQ controller C. any soldered IC D. All of the above |
| 42. A sound card typically uses which IRQ? A. 1 B. 5 C. 6 D. 15 |
| 43 . A virus can mimick just about any hardware symptoms you can think of. A. true B. false |
| 44 . Something as small as a ________ on a drive platter can cause your hard drive to crash. A. accumulation of smoke particles B. human hair C. dust particles D. all of the above |
| 45 . You should never put floppy drives, hard drives, VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of: A. EMI B. ESD C. HDI D. EXE |
| 46 . Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaly dust. What's the best way to do this? A. any small vacuum device B. use a lint-free cloth and wipe gently C. blow real hard on the system board D. non-static compressed air |
| 47 . Which component stores an electrical charge? A. capacitor B. resistor C. transistor D. rectifier |
| 48 . On PC power supplies, the wire attached to pin one is usually: A. blue or red B. red or black C. blue or black D. white or orange |
| 49 . If the voltage on pin 1 of the power supply is not in the range of ______ volts, the PC will not boot. A. 1 - 2.5 B. 2.5 - 5 C. 5 - 25 D. 50 - 110 |
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| 50 . The output voltages of a PC power supply are in the form of _____ current. A. AC B. DC C. amperage D. trickle |
| 51 . The output voltages from a PC power supply are: A. +10, -10, +20, -20 B. +5, +12, -5, -12 C. +110, -110, +25, -25 D. +20, +110, -20, -110 |
| 52 . A spike is a sharp and sudden rise in voltage. It's duration is usually measured in: A. nanoseconds B. milliseconds C. seconds D. minutes |
| 53 . A brownout is defined as: A. complete power out lasting a few minutes B. a slightly elevated voltage lasting from seconds to minutes or more C. alternating power out, power on lasting a few minutes D. a slightly decreased voltage lasting from seconds to minutes or more |
| 54 . Resistance is measured in units of: A. amperes B. volts C. farads D. ohms |
| 55 . Capacitance is measured in units of: A. amperes B. volts C. farads D. ohms |
| 56 . Current is measured in units of: A. amperes B. volts C. farads D. ohms |
| 57 . Voltage is measured: A. in parallel B. in series C. after breaking the circuit |
| 58 . Current is measured: A. in parallel B. only on an open circuit C. only when you turn the device off first, then connect your meter to the device in series, then turning it back on |
| 59 . Resistance is measured: A. in parallel B. in series C. after breaking the circuit |
| 60 . Anti-static plastic bags are: A. conductive B. non-conductive |
| 61 . AC ripple is unwanted AC current where there should
only be direct current. When AC is rectified to DC, it is difficult, if not
impossible to get rid of all the AC voltage, though a certain amount is
tolerable. You want to measure the AC voltage in a DC circuit, so you set
your meter to measure: A. AC voltage B. AC current C. DC voltage D. DC current |
| 62 . To clean the plastic case of a PC you would use? A. All purpose cleaner B. Damp cloth C. Soapy water D. Alcohol |
| 63 . What should you use to clean the plastic cover on your monitor or PC? A. lint-free cloth B. damp sponge C. silicon spray D. Alcohol |
| 64 . Which should you use for cleaning Mylar-protected LCD screens? A. Ammonia window cleaner B. Alcohol-impregnated wipes C. Anti-static wipes D. non abraisive cleaner |
| 65 . What would you use to clean the printhead on a dot-matrix printer? A. All-purpose cleaner B. Soapy water C. Denatured Alcohol D. WD-40 |
| 66 . What product is used to clean smudged keys on a keyboard? A. TMC solvent B. Silicone spray C. Denatured alcohol D. All-purpose cleaner |
| 67 . A WARNING! label alerts to ______. A. Possible computer damage B. Potential of personal injury C. Peripheral should only be installed by an expert technician D. Dangerously high concentration of di-lithium crystals |
| 68 . What type of fire extinguisher would you use to put out an electrical fire? A. A B. B C. C D. D |
| 69 . A________ holds a charge even after current is disconnected A. Fuse B. Transistor C. Capacitor D. Resistor |
| 70 . On a wall outlet, which side is neutral? A. The shorter slot B. The longer slot C. Both sides |
| 71 . The smaller prong on an AC plug is the Phase side. A. True B. False |
| 72 . The larger prong on the AC plug is the hot side. A. True B. False |
| 73 . What is the best ground for a conductive workbench? A. AC outlet B. To another device C. Chassis ground D. Ground to bench |
| 74 . ESD is most likely to cause failures on which of the following components? A. Power supply B. Hard drive C. CD-ROM drive D. RAM module |
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| 75 . What is the better ground source? A. Workbench Ground B. Computer Chassis C. Electrical Outlet Ground |
| 76 . The ESD wrist strap is designed to protect PC Components or Service Technicians? A. PC Components B. Service Technicians C. Both |
| 77 . Which FRU REQUIRES an anti-static bag for transport? A. Monitor B. I/O controller C. Power supply D. Floppy disks |
| 78 . 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 all of the indicated FRU's at once and return the machine to the customer if the problem is resolved B. Replace the indicated parts, one at a time in the recommended sequence, until the problem is resolved; return unused FRU's to stock C. Follow the same procedure as in "B" 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. |
| 79 . How many standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)? A. 2 B. 4 C. 8 D. 16 |
| 80 . Which IRQ is not available for an add-on card on an ISA bus? A. 1 B. 3 C. 4 D. 5 |
| 81 . A wall outlet can be tested for correct polarity with a VOM. A. True B. False |
| 82 . What resistance in ohms should be displayed when testing a speaker in a computer? A. 0 Ohms B. -12 Ohms C. -240 Ohms D. Unlimited Ohms |
| 83 . What configuration should a Volt-Ohm Meter be set to when testing a fuse? A. DC volts B. AC volts C. Amperage D. Ohms |
| 84 . 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 |
| 85 . When you are testing a fuse, you should set the Volt-OHM meter to what scale? A. AC B. DC C. AMPS D. OHMS |
| 86 . When measuring AC with a multimeter, it is important to maintain the proper polarity. A. True B. False |
| 87 . A standard multimeter is ideal for measuring a monitor's high voltage output. A. True B. False |
| 88 . COM1 is typically represented by which of the following? A. 9 pin male port B. 9 pin female port C. 15 pin port D. 25 pin male port |
| 89 . It is okay for a Certified Tech. to open a power supply to repair it. A. True B. False |
| 90 . A Power Supply is rated in_______? A. Farads B. Ohms C. Amps D. Watts |
| 91 . A fan on a power supply stops working, what do you do A. Replace Fan B. Replace power supply |
| 92 . When considering replacement of a PC's power supply, one should be concerned with its ________ A. Voltage and ampere rating B. Phase inductance and switching capability C. Size and shape, on/off switch placement, and wattage D. A & C |
| 93 . 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. one set of black wires is outside, one is toward the inside C. all are facing the power supply D. the two sets of black wires are together in the middle |
| 94 . 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 |
| 95 . Which is the most difficult environmentally to dispose of? A. CMOS battery B. power supplies C. system boards D. hard drives |
| 96 . Keyboards have a microprocessor. A. False B. True |
| 97 . DC2000, DAT, and QIC80 are all examples of _______. A. Video cards B. Hard drive controllers C. Cleaning solvent D. Back-up tape media |
| 98 . _________ help prevent power surges. A. Surge suppressor B. Spike protector C. UPS |
| 99 . A UPS is the best all around protection for computers. A. True B. False |
| 100 . You run a super wing-ding diagnostic program on your PC, and it reports that your hard drive, microprocessor, ram, and video card have seen better days. To resolve this problem you should: A. replace each part one at a time, rerunning the diagnostic before replacing the next part. B. check to see if you have a software problem C. replace everything at once and rerun the diagnostic D. get another copy of the diagnostic program E. run an exhaustive memory check |
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