Computer Hardware Question Answer – (Part 5)

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Today I’ll give you more 50 question of computer hardware. I think, it is working for you. You can comment your requirements. You can read (Part 4) from here.

Top 50 Computer Hardware Question Answer

1: What part of the PC performs the POST?
A: ROM BIOS

2: What error code identifies a floppy drive problem?
A: 601

3: Can EMI affect the display on a monitor?
A: YES

4: In a laser printer which component will not cause a paper jam?
A: Scanner unit

5: What resistance in Ohms should be displayed when testing a speaker in a computer?
A: 0

6: On an AT computer, which IRQ could not be used for a network card?
A: 1

7: DMA is managed with a controller chip on the system board. How many channels can a single controller chip manage?
A: 4

8: On a floppy cable, the connector with the twist will be come which drive letter?
A: A

9: You have a printer on LPT1, you want to install another printer. To which port should it be connected?
A: LPT2

10: On a leased line installation a known good external modem shows no carrier detect light. What is most likely the problem?
A: Phone line

11: To clean the plastic case of a PC you would use?
A: Damp cloth
All purpose cleaner

12: Which processor chip was introduced in 1984 and has 130,000 transistors?
A: 80286

13: The_____ chip is found in most AT class computers.
A: 80286

14: Which was the first processor chip to have onboard cache?
A: 486

15: What type of bus is used in laptops?
A: PCMCIA

16: To avoid ESD when working on a PC, you should? (choose two)
A: Assure that you and the PC are at the same electrical charge level
Use anti-static spray liberally

17: ESD potential decreases with the use of what?
A: A wrist strap

18: ESD would cause the most damage to which component?
A: Expansion board

19: One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
A: The area where all of the processing takes place.

20: Which type of system board is the MOST likely will be best if you want maximum performance and future compatibility?
A: PCI

21: What REQUIRES an anti-static bag for transport?
A: I/O controller

22: Which was the first interface to embed the controller within the drive housing?
A: IDE

23: Which type of interface can exchange data without the use of microprocessor?
A: SCSI

24: The host adapter of a SCSI interface is usually set to what ID?
A: 7

25: How many pins do Dot matrix printers commonly use?
A: 9 or 24

26: How does a thermal printer produce images?
A: With heat and special thermal paper

27: Using paper that is to coarse in a laser printer can cause what problem?
A: Premature wear to the paper path

28: Which bus type can reach a peak transfer rate of 33Mbps?
A: EISA

29: What type of expansion bus does an AT bus support?
A: 8 and 16 bit slots

30: What is the highest binary number that can be referenced on a three position jumper block?
A: 7 (0111)

31: What is the problem with an interlaced monitor?
A: It can flicker and cause eye strain.

32: In a normal text mode a monitor can display?
A: 80 columns by 25 lines.

33: The resolution for the CGA standard monitor is?
A: 320×200-4 colors

34: The resolution for the VGA standard monitor is?
A: 640×480-16 colors

35: The resolution for the SVGA standard monitor is?
A: 800×600-16 colors

36: The resolution for the XGA standard monitor is?
A: 640×480-65,536 colors

37: Of the two types of keyboards Capacitive and Switch, which is more prone to failure?
A: Switch

38: When referring to keyboards, what does debouncing mean?
A: Cleans up electrical noise.

39: A mode of data transmission characterized by regular time periods and no start or stop bits is called?
A: Synchronous

40: Which serial data transmission mode is faster, synchronous or asynchronous?
A: Synchronous

41: Does a byte equal one character or one word?
A: One character.

42: You have two modems connected over a phone line and one modem is dropping characters. What is the most likely problem ?
A: The modem is not configured correctly.

43: Which prong on the AC plug is the Phase side?
A: The shorter one

44: A Power Supply is rated in?
A: Watts

45: The fusing unit of a laser printer uses what 2 elements to bond the image to the paper?
A: Heat and Pressure

46: Why should you change an ink jet cartridge instead of refilling it?
A: With a new cartridge you are also replacing the jets

47: You have a printing resolution of 200dpi. What does that mean?
A: 200 dots per inch

48: The transfer corona wire in a laser printer has what type of charge?
A: Positive

49: A printwire can be found in what type of printer?
A: Dot Matrix

50:A program written using binary codes is called:

A:Machine language

"If no one responds to your call, then go your own way alone". Open thy mind thy mind walk alone walk alone We not afraid, walk alone Open thy mind, walk alone. ---------------------------------------- A clear rejection is always better than a fake promise.