Friday, December 3, 2010

Basic Computer Hardware Quiz Questions and Answer.

Find below MCQ (Multiple Choice) questions and Answers useful for learning Computer Hardware.

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1)How many pins does a SIMM have?
a) 50
b) 64
c) 30 or 72
d) 168
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2) The various cards in a PC requires  _______ voltage to function.
a) AC
b) DC
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3) What type of hard disk formatting creates FAT (File Allocation Table) ?
a) High Level
b) Low Level
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4) What is the name of the printed circuit board?

a) Ram
b) Mother Board
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5) Which Component of pc maintains data and time
b) vRAM
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6) IRQ 1 is commonly assigned to:
a) it's usually open
b) system timer
c) real time clock
d) keyboard
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7) LCD monitor is also known as___________
a) TFT
b) CRT
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8) How can you tell that a particular ribbon cable should only be used to connect a floppy drive?
a) it
b) it has a red line along one edge
c) it
d) it has a twist in it
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Data stored in a ROM cannot be changed by user of a computer?
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10) Is the data in a RAM stored on a permanent or temporary basis
a) Temporary
b) Permanent
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11) Winchester drive is also called:
a) Hard Disk Drive
b) Floppy Disk Drive
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12) TO write, erase, rewrite data on a CD RAM what type of  CD ROM you should use?
a) CD-RW
b) CD R
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13) A byte is equivalent to...?
a) 8 bits
b) 10 bits
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14) SMPS stands for:
a) Switch Mode Power Supply
b) Simple Mode Power Supply
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15) Which of the following is NOT a type of motherboard expansion slot?
a) ISA
b) PCI
c) AGP
d) ATX
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16) Which IRQ does LPT1 commonly use?
a) 1
b) 4
c) 5
d) 7
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17) How much data will a high density (HD) floppy disk hold?
a) 124 KB
b) 640 KB
c) 1.44 MB
d) 2.88MB
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18) What is the name of the spec for the holes in a monitor's aperture grill?
a) dot pitch
b) space holes
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19) Which is the best hard disk seek time?
a) 3ms
b) 5ms
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20) Fragmentation of data on computer hard disk causes it to work faster than before?
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21) What is the name of the card that controls read,write head and motor in the hard disk
a) Network Card
b) Disc Controller Card
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22) Which of the following retains the information it's storing when the power to the system is turned off?
a) CPU
b) ROM
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23) Acronym of HDD?
a) Hard Disk Drive
b) Hard Drive Disk
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24)A program written using binary codes is called:
a) Software language
b) Machine language
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25) How many bytes a sector of hard disk holds?
a) 512 Bytes
b) 1024 Bytes
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26) To be bootable a DOS partition must be:
a) active
b) copied
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27) What does FDISK do?
a) performs low-level formatting of the hard drive
b) fixes bad sectors on the hard drive
c) recovers lost clusters on the hard drive
d) creates partitions on the hard drive
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28) hat kind of connectors are used to connect a PC power supply to a hard drive?
a) AT
b) molex
c) mini-molex
d) P9
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29) Acronym of FDD?
a) Floppy Drive Disk
b) Floppy Disk Drive
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30) Which of the following is NOT a type of computer hard drive?
a) IDE
b) FDD
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31) What type of memory is a PEN drive...?
a) FLASH Memory
b) Catch Memory
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32) What type of connector is used to plug a telephone line into a modem?
a) COM1
b) RJ-11
c) RJ-45
d) RJ-10
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33) What is BIOS an acronym for?
a) bootstrap initial operating system
b) basic input output startup
c) boot initial operating startup
d) basic input output system
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34) What does the acronym bits stand for?
a) Binart Digit
b) 1 bits
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35) What is the data transfer rate for USB 2.0?
a) 480Mbs
b) 512Mbs
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36) Which IRQ does the system timer commonly use?
a) 0
b) 1
c) 2
d) 5
Show Answer

37) What piece of hardware do EIDE cables connect to?
a) hard disk
b) cpu
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38) How many pins does a DIMM have?
a) 72
b) 32
c) 32 to 72
d) 71
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39) Which IRQ does COM1 commonly use?
a) 3
b) 4
c) 6
d) 7
Show Answer

40) Which frequency is a SDRAM clock speed?
a) 122Mhz
b) 133Mhz
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41) Which component in a pc maintains color depth and screen resolution of a monitor?
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42) Today's PC use what type of RAM..?
b) DDR2
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43) When plugging the P8 and P9 power connectors into the system board, which of the following is true?
a) the black wires of both connectors should NOT be next to each other
b) P8 and P9 don't plug into the system board
c) the black wires of both connectors should be next to each other
d) it doesn't matter which way you plug them in, the voltages are the same
Show Answer

44) Which IRQ does the hard disk controller commonly use?
a) 14
b) 1
c) 2
d) 11
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45) IRQ 6 is commonly assigned to:
a) sound card
b) Com1
c) floppy drive controller
d) LPT1
Show Answer

46) Which of the following is NOT a type of RAM?
c) ROM
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47) Which do you use to comment out a line in the autoexec.bat file?
a) rem
b) ram
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48) Which device you should use to prevent the effect of power fluctuation in the power supply on your computer and works for a specific period of time even there is no power?
b) UPS
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49) Portable Pen Drive connects to the________port of computer
a) USP2,0
b) USP
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50) What does the term "wave table synthesis" relate to?
a) video
b) sound
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51) What is different between AT and ATX power supplies?
a) They are identical except for their shape.
b) AT supplies use a single P1 power connector while ATX uses P8 and P9.
c) AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector.
d) AT power supplies run on 120V AC current while ATX uses 220V AC
Show Answer

52) Which has  more storage capacity CD or DVD
a) DVD
b) CD
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53) With reference to a CPU, What MIPS means?
a) Million Instructions Per Second
b) Million Per Sccond Instruction
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54) Hard Disk, DVD, CD-ROM are the examples What type of Memory?
a) Primary
b) Secondary
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55)  Which of the following conditions most increases the likelihood that ESD will occur?
a) hot, dry conditions
b) cool, damp conditions
c) cool, dry conditions
d) hot, damp conditions
Show Answer

56) Parity is:
a) a byte stored in the FAT to indicated remaining slots
b) the optimal transmission speed of data over a CAT 5 cable
c) an extra bit stored with data in RAM that is used to check for errors when the data is read back
d) the optimal transmission speed of data over a CAT 5 cable
Show Answer

57) What are the four key functions of a computer system?
a) input, processing, output, and storage
b) keyboard, display, memory, and disk drive
c) word processing, spreadsheets, database
d) bits, bytes, words, and OSI
Show Answer

58) UPS stands for:
a) Universal Power Supply
b) Uninterrupted Power Supply
Show Answer

59) Which is a PCI bus speed?
a) 22Mhz
b) 33Mhz
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60) Which is the best choice for a specification for a video card?
a) AGP
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61) The Concentric circles on the platter of hard disk are known as______
a) Tracks
b) Circles
Show Answer


(1) c  (2) b  (3) a  (4) b  (5) a  (6) d  (7) a  (8) d  (9) a  (10) a 
(11) a  (12) a  (13) a  (14) a  (15) d  (16) d  (17) c  (18) a  (19) b  (20) a 
(21) b  (22) b  (23) a  (24) b  (25) a  (26) a  (27) d  (28) b  (29) b  (30) b 
(31) a  (32) b  (33) d  (34) a  (35) a  (36) a  (37) a  (38) a  (39) b  (40) b 
(41) a  (42) a  (43) c  (44) a  (45) c  (46) c  (47) a  (48) b  (49) b  (50) b 
(51) c  (52) a  (53) a  (54) b  (55) c  (56) c  (57) a  (58) b  (59) b  (60) a 
(61) a 



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