MCQOPTIONS
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MCQOPTIONS
This section includes 290 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
On the 16-bit ISA bus, IRQ2 is elevated to which higher level interrupt? |
| A. | 9 |
| B. | 11 |
| C. | 13 |
| D. | 15 |
| E. | None of the above |
| Answer» B. 11 | |
| 2. |
Which is LEAST likely to interfere with upgrading to a newer DOS Version? |
| A. | ROM BIOS |
| B. | Video controller |
| C. | Compressed drives |
| D. | Existing backup files |
| E. | None of the above |
| Answer» C. Compressed drives | |
| 3. |
In inkjet technology the droplets of ink are deflected by? |
| A. | Electrically Charge Plate |
| B. | Multi directional nozzle |
| C. | High pressure jets |
| D. | All of the above |
| E. | None of the above |
| Answer» B. Multi directional nozzle | |
| 4. |
A PC with a 486DX2 processor runs internally at SOMhz. What speed would its external logic be running? |
| A. | 0Mhz |
| B. | 5Mhz |
| C. | 0Mhz |
| D. | 00 Mhz |
| E. | one of the above |
| Answer» C. 0Mhz | |
| 5. |
What Does EISA stand for? |
| A. | xtended Industry Standard Architecture |
| B. | xpanded Industry Standard Architecture |
| C. | nhanced Industry Standard Architecture |
| D. | lectronicsIndustryStandard Architecture |
| E. | ll of the above |
| Answer» B. xpanded Industry Standard Architecture | |
| 6. |
Modemsuse _____ transmission. |
| A. | ynchronous |
| B. | synchronous |
| C. | imed interval |
| D. | PP |
| E. | one of the above |
| Answer» C. imed interval | |
| 7. |
Modemsuse transmission. |
| A. | ynchronous |
| B. | synchronous |
| C. | imed interval |
| D. | ta |
| E. | ank |
| Answer» C. imed interval | |
| 8. |
Anantistaticstrapusesa small _____ to make sure you do not become the least path of resistance to the ground? |
| A. | apacitor |
| B. | iode |
| C. | ransistor |
| D. | esistor |
| E. | one of the above |
| Answer» E. one of the above | |
| 9. |
In laser printing, there are six steps the printer follows. What comes between the conditioning phase and the developing phase? |
| A. | MEMMAKER |
| B. | MEM /C (A SYS: |
| C. | None of the above |
| D. | transfer phase |
| Answer» C. None of the above | |
| 10. |
An IRQ allow 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 |
| Answer» B. Pass data to the CPU to be processed | |
| 11. |
What should he used to extinguish a computer fire? |
| A. | fire hose |
| B. | class a extinguisher |
| C. | class c extinguisher |
| D. | silver foam water |
| Answer» D. silver foam water | |
| 12. |
A human cannot feel a static discharge as high as _____ volts. |
| A. | 200 |
| B. | 2000 |
| C. | 10000 |
| D. | 50000 |
| Answer» B. 2000 | |
| 13. |
Which would you have to upgrade to install an EIDE drive? |
| A. | RAM BIOS |
| B. | A 286 CPU |
| C. | Controller board |
| D. | ISA motherboard |
| Answer» D. ISA motherboard | |
| 14. |
You are testing the resistance in Ohms of a fuse on a 5 amp system. If the fuse is good, the meter should read? |
| A. | 5 |
| B. | 0.5 |
| C. | 0 |
| D. | All of the above |
| Answer» D. All of the above | |
| 15. |
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 |
| Answer» B. Replacing the timing belt | |
| 16. |
SCSI must be terminated with? |
| A. | Dip switch |
| B. | Resistor |
| C. | BNC |
| D. | All of the above |
| Answer» C. BNC | |
| 17. |
What command is used to reset a MODEM when using the |
| A. | ATR |
| B. | ATZ |
| C. | DTR |
| D. | DCE |
| Answer» C. DTR | |
| 18. |
How many DMA channels are there in an AT class PC? |
| A. | 3 |
| B. | 4 |
| C. | 7 |
| D. | 8 |
| Answer» E. | |
| 19. |
In laser printing, there are six steps the printer follows. What comes between the conditioning phase and the developing phase? |
| A. | transfer phase |
| B. | writing phase |
| C. | fusing phase |
| D. | cleaning phase |
| Answer» C. fusing phase | |
| 20. |
A customer has just installed a new cd-rw. the system was working fine before the installation, but now the cdrom does not work, what should you suggest that the customer do? |
| A. | flash or upgrade the BIOS |
| B. | check the CONFIG.SYS |
| C. | add cdrw in the device manager |
| D. | check the jumper setting on the cd-rw |
| Answer» E. | |
| 21. |
What is the i/o address for com2? |
| A. | 2vb |
| B. | 2f8 |
| C. | 8f8 |
| D. | 330 |
| Answer» C. 8f8 | |
| 22. |
What resistence in ohms should be displayed ehen testing a speaker in a computer? |
| A. | 0 Ohms |
| B. | 16 Ohms |
| C. | -200 Ohms |
| D. | Unlimited Ohms |
| Answer» C. -200 Ohms | |
| 23. |
A dialog box with a bomb appears on a Macintosh screen. What type of problem has occurred? |
| A. | A RAM problem |
| B. | A software problem |
| C. | A ROM problem |
| D. | An ADB problem |
| Answer» C. A ROM problem | |
| 24. |
What is the modem hang up command? |
| A. | ATHU |
| B. | ATH |
| C. | ATZ |
| D. | ATX |
| Answer» C. ATZ | |
| 25. |
When a bearing in the power supply fan goes out, what should you replace? |
| A. | fan |
| B. | case |
| C. | bearing |
| D. | power supply |
| Answer» E. | |
| 26. |
How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks ? |
| A. | DOS=High |
| B. | devicehigh= |
| C. | loadhigh= |
| D. | DOS=UMB |
| Answer» E. | |
| 27. |
Pick the correct choice for the 8088 CPU. |
| A. | 16 bit word size, 8 bit data path |
| B. | 8 bit word size, 8 bit data path |
| C. | 16 bit word size, 16 bit data path |
| D. | 4 bit word size, 8 bit data path |
| Answer» B. 8 bit word size, 8 bit data path | |
| 28. |
"Parity" errors usually indicate bad memory |
| A. | 1 |
| B. | |
| Answer» B. | |
| 29. |
You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC. |
| A. | you don't worry; you have a lightning rod on your house |
| B. | you don't worry; you've got a surge protector on your PC |
| C. | you don't worry; you've got a surge protector on your PC and phone line to your modem |
| D. | unplug the PC and remove phone line from the modem |
| Answer» E. | |
| 30. |
You must service the laser printer in your office. Which part of the printer shoud you avoid touching because it is hot? |
| A. | fuser |
| B. | printer head |
| C. | primary corona |
| D. | high-voltage power supply |
| Answer» B. printer head | |
| 31. |
What expansion types do most pll/plll motherboards support? |
| A. | MCA, PCI |
| B. | ISA, EISA |
| C. | ISA, PCI, AGP |
| D. | ISA, VESA, PCI |
| Answer» D. ISA, VESA, PCI | |
| 32. |
"Parity" errors usually indicate bad memory. |
| A. | 1 |
| B. | |
| Answer» B. | |
| 33. |
What is the first step in diagnosing a completely dead computer at the client site that was working the day before. |
| A. | Test the power supply |
| B. | replace the CMOS battery |
| C. | check the AC outlet |
| D. | reseat the hard drive controller cable |
| Answer» D. reseat the hard drive controller cable | |
| 34. |
Which of the following items would require you to comply with EPA disposal guidelines? |
| A. | Keyboard |
| B. | System board |
| C. | Power supply |
| D. | Battery |
| Answer» E. | |
| 35. |
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 |
| Answer» C. It does not matter | |
| 36. |
On PC power supplies, the wire attached to pin one is usually: |
| A. | blue or red |
| B. | blue or white |
| C. | red or black |
| D. | red or white |
| Answer» E. | |
| 37. |
To prevent the computer from overheating you should? |
| A. | Remove the slot cover from the back |
| B. | Keep the computer cover closed |
| C. | Remove the CPU fan |
| D. | All of the above |
| Answer» C. Remove the CPU fan | |
| 38. |
What type of FRU is a SCSI host adapter? |
| A. | CPU |
| B. | I/O card |
| C. | video card |
| D. | hard drive |
| Answer» C. video card | |
| 39. |
A laser printer generates a totally black page, what is the cause? |
| A. | malfunctioning imaging laser |
| B. | low level in the toner cartridge |
| C. | no power to transfer corona |
| D. | no power to the primary corona |
| Answer» E. | |
| 40. |
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 |
| Answer» E. | |
| 41. |
What do you need to check serial and parallel port? |
| A. | Port adapter |
| B. | Logic probe |
| C. | Loopback plug |
| D. | All of the above |
| Answer» D. All of the above | |
| 42. |
How does a parallel port communicate information to a peripheral device? |
| A. | one bit at a time |
| B. | 8 bytes at a time |
| C. | one byte at a time |
| D. | 16,555 bytes at a time |
| Answer» D. 16,555 bytes at a time | |
| 43. |
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 |
| Answer» B. In a plastic bag | |
| 44. |
Which REQUIRES an anti-static bag for transport? |
| A. | Monitor |
| B. | Floppy disks |
| C. | Power supply |
| D. | I/O controller |
| Answer» E. | |
| 45. |
The output voltages of a PC power supply are in the form of _____ current. |
| A. | AC |
| B. | DC |
| C. | amperage |
| D. | resistive |
| Answer» C. amperage | |
| 46. |
A 2xx POST error code indicates a problem with: |
| A. | RAM or ROM |
| B. | hard drive |
| C. | system board |
| D. | second adapter card |
| Answer» B. hard drive | |
| 47. |
A COM port is a _____ port. |
| A. | parallel |
| B. | serial |
| C. | static |
| D. | multi |
| Answer» C. static | |
| 48. |
What is your first action when windows reports that your hard drive is developing bad sectors? |
| A. | replace the hard drive |
| B. | run secclean from dos |
| C. | run defrag on the hard drive |
| D. | run scandisk with the "thorough" option |
| Answer» E. | |
| 49. |
A static jolt of as little of _____ volts can fry most any PC integrated circuit. |
| A. | 200 |
| B. | 30 |
| C. | 1000 |
| D. | 200 |
| Answer» C. 1000 | |
| 50. |
What specification covers PC hard cards? |
| A. | SCSI |
| B. | ISA |
| C. | PCMCIA |
| D. | MFM |
| Answer» D. MFM | |