40 Computer Multiple Choice Questions with Answers

1. What is the most popular category of portable PCs?

A. Notebook
B. Laptop
C. Palmtop
D. Suitcase computer

2. Which battery type is the best for a portable computer?

A. Alkaline
B. NiCad
C. Li-Ion

3. Which of the following system modules makes a PC really portable?

A. Battery
B. AC adapter
C. DC controller
D. PC Card

4. OCP, OVP, and UVLO are the characteristics of:

A. AC adapter
B. DC controller
C. Video Board
D. LCD Panel

5. Which of the following system modules supports hot-swapping?

A. Keyboard
B. Memory
C. PC Cards
D. None of the above

6. Which PCMCIA card type is used to connect a CD-ROM drive?

A. Type I
B. Type II
C. Type III
D. Type I and Type III collectively

7. Which of the following statements are true for card services? (Select all that apply)

A. It provides an interface between the card and the slot when the card is inserted.
B. It provides an interface between the card and the device driver when the card is inserted.
C. It assigns I/O address and IRQ to the card.
D. Both A and C.

8. Which of the following video adapters would you use for a Netware Server?


9. What is a graphics accelerator?

A. A type of video memory
B. A function of video cards
C. A video card with a video coprocessor
D. A characteristic of video boards

10. Interlacing is the characteristic of which system module?

A. Hard drive
B. Keyboard
C. Processor board
D. Video board

11. Why do you need to reboot your computer after changing its display settings?

A. To activate the video card
B. To initialize the video memory
C. To load the new device driver
D. All of the above

12. LCD stands for:

A. Liquid Crystalline Display
B. Liquid Crystal Display
C. Logical Crystal Display
D. Liquid Crystal Device

13. Which statements are true for a passive matrix LCD display? (Select all that apply)

A. It is slow.
B. It displays crisp images.
C. Each pixel is supported by its own transistor.
D. Images are easy to read from angles.
E. It displays low-quality pictures.

14. Which keyboard normally is used with portable PCs?

A. Ergonomic
D. Enhanced

15. Which of the following is NOT a disk performance characteristic?

A. Interleaving
B. Interlacing
C. Data Transfer Rate
D. Access Time

16. Which of the following are true for a hard drive? (Select all that apply)

A. It is a primary storage device.
B. It stores the data permanently.
C. It is made of many platters.
D. It is usually designated as A: and B:

17. Access time is:

A. Seek time plus latency period
B. Seek time minus latency period
C. Latency period minus seek time
D. Seek time times latency period

18. Hard drives of a portable PC have an interleave factor of:

A. 1:3
B. 3:1
C. 1:1
D. None of the above

19. Which of the following statements are NOT true regarding the memory of portable computers? (Select all that apply)

A. It is the primary storage device.
B. It is a permanent storage device.
C. Intermediate results, data, and commands are stored in the memory until they’re stored to hard disk.
D. Portable PCs use SIMM but not DIMM.

20. What does the term closed architecture mean?

A. The CPU is covered and protected.
B. The processor board has all the functions hard-coded to compensate for the lack of expansion slots.
C. The system board has expansion slots to provide connectivity to peripheral device.
D. The hard disk platters are sealed in an air-tight box.

21. Which of the following processor board components is NOT field replaceable?

B. System Bus
D. CMOS Battery

22. CMOS stands for:

A. Completely Metal-Oxide Semiconductor
B. Complementary Metal-Oxide Socket
C. Complementary Metal-Oxide Semiconductor
D. None of the above

23. Why should you perform maintenance activities? (Select all that apply)

A. To prevent system failure
B. To reduce computer downtime
C. To reduce repair cost
D. None of the above

24. Why do devices, such as the mouse and keyboard, need regular maintenance?

A. They wear quickly
B. They are breakable
C. They gather dust easily
D. None of the above

25. Tools that you use to perform maintenance activities are: (Select all that apply)

A. Liquid cleaning compounds
B. Suppressor

26. What is not true about the Disk Defragmenter? (Select all that apply)

A. It is a system tool
B. It should be run daily
C. It marks bad sectors
D. It unites separated chunks of data into contiguous blocks

27. You can clean the mouse by: (Select all that apply)

A. Soaking it in soapy water
B. Removing dirt from the mouse ball
C. Removing dirt from the mouse roller
D. Using a vacuum cleaner

28. Which of the following is high-voltage equipment? (Select all that apply)

A. Printers
D. Hard drives

29. Computer components can stand a static charge of:

A. Up to 3,000V
B. Less than 10V
C. More than 10V but less than 3,000V
D. 10V

30. ESD stands for:

A. ElectroStationary Discharge
B. ElectroStatic Discharge
C. Electrostatic Disruption
D. None of the above

31. While working with a PSU, you can hurt yourself because it: (Select all that apply)

A. Generates a lot of heat
B. Stores a lot of electrical charge
C. Accumulates a dangerous amount of static charge over time
D. Emits laser radiation

32. EPA stands for:

A. Environmental Protection Association
B. Environmental Preservation Agency
C. Environmental Protection Agency
D. Environmental Preservation Association

33. RSI stands for:

A. Restive Strain Injuries
B. Repetitive Strain Injuries
C. Repetitive Self Injuries
D. Restrictive System Injuries

34. What is not true about the environment at a workplace where many computers are used? (Select all that apply)

A. There should be proper air circulation
B. Temperature should be between 20 to 30 degrees Fahrenheit
C. Humidity should be less than 50 percent
D. Computers should be two inches away from the wall

35. The duration of a spike is measured in:

A. Nanoseconds
B. Minutes
C. Seconds
D. Microseconds

36. A brownout is:

A. A partial loss of voltage or power
B. A complete loss of power
C. A short burst of electricity exceeding 100 percent of the normal voltage
D. None of the above

37. When you get a shock from holding a metal knob, how many volts are generated?

A. 3,000
B. 10
C. 5
D. 200

38. You can prevent damage from ESD with the use of:

A. Rubber gloves with matching cap
B. De-ionizing fans
C. A wrist strap
D. A static meter

39. An ESD wrist strap contains:

A. Surge protector
B. Capacitor
C. Voltmeter
D. Resistor

40. The risk for electrostatic discharge is the greatest at:

A. Daytime
B. High humidity
C. Low humidity
D. Nighttime

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