Computer Science - Computer Hardware Part 5

1. What is the jumper setting on a SCSI device to configure it to use the fourth SCSI id? Remember, SCSI ids start with zero.

A.
010

B.
110

C.
011

D.
101

E.
001

 Answer Option C

2. What tool is used to test serial and parallel ports?

A.
high volt probe

B.
cable scanner

C.
loop backs (wrap plugs)

D.
sniffer

E.
None of the above

 Answer Option C

3. Which best describes a fragmented hard drive:

A.
The platters are bad

B.
Data files are corrupted

C.
Clusters of data are damaged

D.
Files are not stored in consecutive clusters

E.
None of the above

 Answer Option D

4. What device prevents power interruptions, resulting in corrupted data?

A.
Battery back-up unit

B.
Surge protector

C.
Multiple SIMMs strips

D.
Data guard system

E.
Turn off the AC power

 Answer Option A

5. If a computer's BIOS allows it, you can boot from a CD-ROM.

A.
True

B.
False

 Answer Option A

6. ISDN stands for:

A. internal select data nulls

B. integrated services digital network

C. interval set down next

D. interior sector direct none

E. inferior sector data net

 Answer Option B

7. ISDN uses _____ technology.

A. only digital

B. digital and analog

C. only analog

D. neither digital nor analog

E. mostly digital

 Answer Option A

8. 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 Option B

9. 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

E. None of the above

 Answer Option D

10. 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

E. None of the above

 Answer Option A

11. The acronym HDI stands for:

A. Half duplex interface

B. Hard disk interface

C. Head to disk interference

D. Help desk interference

E. None of the above

 Answer Option D

12. 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. 5.0

B. 0.5

C. 0.0

D. All of the above

E. None of the above

 Answer Option C

13. 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

E. None of the above

 Answer Option C

14. When configuring a new network interface card for installation, which of the following would be a valid I/O address?

A. 378

B. 2F8

C. 3F8

D. 360

E. None of the above

 Answer Option D

15. Which device should not be plugged into a standard ups?

A. monitor

B. laser printer

C. ink-jet printer

D. an external modem

E. None of the above

 Answer Option B

16. What is the main communication method from one PDA to another PDA?

A. IR

B. USB

C. RS-232

D. IEEE 1394

E. None of the above

 Answer Option A

17. What allows you to print on both sides of the printer?

A. fuser

B. duplexer

C. toner cartridge

D. paper-swapping unit

E. None of the above

 Answer Option B

18. What Does EISA stand for?

A. Extended Industry Standard Architecture

B. Expanded Industry Standard Architecture

C. Enhanced Industry Standard Architecture

D. Electronics Industry Standard Architecture

E. All of the above

 Answer Option A

19. A static jolt of as little of _____ volts can fry most any PC integrated circuit.

A. 200

B. 30

C. 1000

D. 200

E. 500

 Answer Option B

20. A standard multimeter is ideal for measuring a monitors high voltage output.

A. True

B. False

 Answer Option B

21. COM 4 uses which I/O port?

A. 2F8H

B. 3F8H

C. 3E8H

D. 2E8H

E. None of the above

 Answer Option D

22. What type of FRU is a SCSI host adapter?

A. CPU

B. I/O card

C. video card

D. hard drive

E. None of the above

 Answer Option B

23. How many DMA channels are in an AT-machine?

A. 3

B. 4

C. 7

D. 8

E. None of the above

 Answer Option B

24. Which provides the fastest data access time?

A. RAM

B. ROM

C. CD-ROM

D. Hard disk

E. None of the above

 Answer Option A

25. When configuring a new network interface card for installation, which of the following would be a valid I/O address?

A. 378

B. 2F8

C. 3F8

D. 360

E. None of the above

 Answer Option D

26. Which is NOT typically a Field Replaceable Unit?

A. System ROM

B. Power supply

C. System chasis

D. Video controller

E. None of the above

 Answer Option C

27. A human cannot feel a static discharge as high as _____ volts.

A. 200

B. 2000

C. 10000

D. 50000

E. 50

 Answer Option A

28. 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

E. None of the above

 Answer Option A

29. 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

E. None of the above

 Answer Option D

30. What does the acronym RTS represent?

A. Required to save

B. Ready to start

C. Request to send

D. Right to separate

E. None of the above

 Answer Option C

31. Which is the easiest component to environmentally recycle?

A. Motherboards

B. CMOS batteries

C. Toner cartridges

D. Cathode ray tubes

E. None of the above

 Answer Option C

32. What problem can occur if a printer cable is to close to a power cable?

A. ESD Electrostatic Discharge

B. EMI Electromagnetic Interference

C. parity error

D. no affect

E. None of the above

 Answer Option B

33. 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 chasis

E. None of the above

 Answer Option A

34. The standard VGA display has _____ pixels in its native graphics mode?

A. 648 x 320

B. 640 x 480

C. 680 x 440

D. 1024 x 786

E. None of the above

 Answer Option B

35. What problem can occur if a printer cable is to close to a power cable?

A. ESD Electrostatic Discharge

B. EMI Electromagnetic Interference

C. parity error

D. no affect

E. None of the above

 Answer Option B

36. 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

E. None of the above

 Answer Option A

37. The ESD wrist strap is designed to protect PC Components or Service Technicians ?

A. PC Components

B. Service Technicians

C. All of the above

D. None of the above

 Answer Option C

38. To test for AC ripple on a PC power supply, you would set the volt/ohm meter for:

A. DC voltage scale

B. AC voltage

C. OHM scale

D. Farad scale

E. None of the above

 Answer Option B

39. The ATAPI compliance is stands for?

A. CDROM

B. Bus mastering

C. Mass storage device

D. All of the above

E. None of the above

 Answer Option C

40. Which of the following FRUs would be considered both an input/output device?

A. Video board

B. SCSI host adapter

C. System board CPU

D. All of the above

E. None of the above

 Answer Option B

41. When not in use, it is very important to keep 5 VA diskettes in _____.

A. Their protective sleeves

B. In a plastic bag

C. On a shelf in an upright position

D. In the floppy drive

E. None of the above

 Answer Option A

42. Which I/O port belongs to LPT2?

A. 378H

B. 278H

C. 3f8h

D. 2e8h

E. None of the above

 Answer Option B

43. 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

E. None of the above

 Answer Option B

44. How much video RAM is needed to display 1024x768 at 24-bit color?

A. 1MB

B. 4MB

C. 8MB

D. 512KB

E. None of the above

 Answer Option B

45. All Operating Systems get their total memory initialized from?

A. CPU

B. BIOS

C. ROM

D. RAM

E. None of the above

 Answer Option B

46. 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

E. None of the above

 Answer Option C

47. Which type of pc card (PCMCIA) slot will allow the insertion of a hard drive?

A. type I

B. type II

C. type III

D. type IV

E. None of the above

 Answer Option C

48. During the fusing process, toner is:

A. dry pressed into the paper

B. electrically bonded to the paper

C. melted into the paper

D. glued to the paper

E. high pressure sprayed onto the paper

 Answer Option E

49. Before sending data, a modem sends a request to send signal, or RTS.

A. True

B. False

 Answer Option A

50. When a bearing in the power supply fan goes out, what should you replace?

A. fan

B. case

C. bearing

D. power supply

E. None of the above

 Answer Option D