Computer Hardware Question Answer – (Part 7)


After two days, I have published again “Computer Hardware Question Answer” (Part 7) – only for you. Please make a copy of all questions. Read Part 6 from here.

Top 50 Computer Hardware Question Answer

1: What is the cheapest way to access the Internet?
A: Dial Up access

2: If a monitor only displays blue or green, or combinations of blue and green, what is the problem?
A: The RED electron gun is broken.

3: When you power up the monitor, it displays a “301” error code, what is the problem?
A: Keyboard problem

4: What type of output device should never be hooked up to a switch box?
A: Laser printer

5: Does it matter which lead of a voltmeter is connected to an AC circuit?
A: No

6: Does shadowing normally occur in conventional or extended memory?
A: Extended

7: What does Full Duplex mean?
A: Simultaneous Transmit and Receive

8: Do PCI cards need IRQs?
A: No. PCI cards don’t use IRQs, they use “Interrupt Levels”, numbered A,B,C and D.

9: If the output from the power supply drops from +12 Volts to +11.3 Volts, what should you do?
A: Nothing, a slight power drop or increase is acceptable.

10: The resolution of a monitor will always ultimately be determined by what?
A: The number of triads

11: What is the correct handshake signals used in serial data transfers?
A: Data Terminal Ready and Data Set Ready (DTR/DSR)

12: How many DMA channels are on a 16-bit ISA system?
A: 8

13: What is the maximum length for a narrow, slow, SCSI-2 chain?
A: 20 ft.

14: What is the first step to be performed after installing a new blank hard drive?
A: Partition the hard drive.

15: What product must you use to clean the rubber rollers on a printer?
A: Denatured Alcohol

16: What type of connection ports do most modems have?
A: RJ-11

17: In the AT type PCs, the system BIOS is most commonly located where in memory?
A: The 64K just below address FFFFF.

18: In Inkjet technology, the droplets of ink are deflected towards the paper by what?
A: Electrically charged plates

19: External modems are usually connected to which type of ports?
A: Serial

20: What does EMI stand for?
A: Electromagnetic Interference

21: If a laser printer keeps grabbing more than one sheet of paper at a time, the problem is most likely?
A: Paper has picked up too much moisture.

22: What are the 3 types of modem transmission protocols?
A: Xmodem

23: If the characters printed on a dot matrix appear chopped off at the top, what is the likely problem?
A: Misaligned printhead

24: How many 72 pin SIMMs are needed to make a bank on a Pentium PC?
A: 2

25: What is the most popular type of modem protocol?
A: Zmodem

26: Will you ever find ISA slots on a laptop PC?
A: No

27: What does the term MODEM stand for?
A: Modulator Demodulator

28: What is the fasted type of expansion bus?

29: Most Pentium CPUs run on what voltage?
A: 3.3 Volts

30: You have just replaced the toner cartridge in a laser printer. The first few sheets come out smudged. What should you do to fix this?
A: Run a few blank sheets trough until smudging stops.

31: What 2 types of ports can a mouse use?
A: PS/2

32: How many logical drives can an EIDE hard disk be divided into?
A: 24

33: A laser printer generates a totally black sheet. What could cause this?
A: No power to the primary corona

34: The distance between two adjacent phosphors of the same color on the CRT screen is known as?
A: Dot pitch

35: How often should you clean a CD-ROM laser?
A: Never touch the laser in a CD-ROM

36: The decimal equivalent of the binary number 0111 is?
A: 7

37: When you send print to your laser printer, the sheets come out blank. What is most likely the cause?
A: No power to the transfer corona.

38: When testing household current, you should read how many volts between the neutral and the ground?
A: 0

39: What IRQ does LPT2 use?
A: 5

40: You boot a computer and get the message “No ROM basic, system halted”. What is the problem?
A: There is no active partition

41: A bi-directional parallel cable is also known by what specification?
A: IEEE 1284

42: If your monitor only shows a single line, what is probably the problem?
A: Bad yoke coil

43: When cleaning the keys on a keyboard, you should use?
A: All- purpose cleaner.

44: An error code 20 on an HP laser printer signifies what?
A: Memory overflow

45: Improper installation of the floppy drive ribbon cable can cause permanent damage to your PC?
A: False

46: What are the P8 and P9 connectors?
A: They connect the power supply to the motherboard.

47: Transferring multiple bits of data over several conductors at one time is what type of communication?
A: Parallel

48: When a power cable and a printer cable get too close together, what might occur?

49: Should you plug a laser printer into a UPS?
A: No

50: What is the primary advantage of parallel communication over serial?
A: Speed


Biswajit Das
"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.