أسئلة في Computer hardware
1) Which of the following is NOT a type of motherboard expansion slot?
a) ISA
b) PCI
c) AGP
d) ATX - correct answer
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2) Which IRQ does COM1 commonly use?
a) 3
b) 4 - correct answer
c) 6
d) 7
e) 14
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3) Which of the following is NOT a type of computer hard drive?
a) IDE
b) FDD - correct answer
c) SCSI
d) EIDE
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4) Which of the following retains the information it's storing when the power to the system is turned off?
a) CPU
b) ROM - correct answer
c) RAM
d) DRAM
e) DIMM
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5) How can you tell that a particular ribbon cable should only be used to connect a floppy drive?
a) it's white
b) it has a red line along one edge
c) it's wider than all the other ribbon cables
d) it has a twist in it - correct answer
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6) Which IRQ does the system timer commonly use?
a) 0 - correct answer
b) 1
c) 5
d) 10
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7) 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 - correct answer
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8) Which of the following is NOT a type of RAM?
a) SIMM
b) DIMM
c) ROM - correct answer
d) SLIPP
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9) 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 - correct answer
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10) What type of connector is used to plug a telephone line into a modem?
a) COM1
b) RJ-45
c) RJ-11 - correct answer
d) RJ-10
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11) Which IRQ does LPT1 commonly use?
a) 1
b) 4
c) 5
d) 7 - correct answer
e) 8
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12) 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 - correct answer
d) it doesn't matter which way you plug them in, the voltages are the same
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13) 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 power supplies run on 120V AC current while ATX uses 220V AC
d) AT supplies use P8 and P9 power connectors while ATX uses a single P1 connector. - correct answer
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14) How many pins does a SIMM have?
a) 50
b) 64
c) 30 or 72 - correct answer
d) 168
e) 128
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15) How many pins does a DIMM have?
a) 50
b) 64
c) 72
d) 128 - correct answer
e) 168
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16) 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) a system for balancing the voltage coming out of the power supply
d) an extra bit stored with data in RAM that is used to check for errors when the data is read back - correct answer
e) the optimal transmission speed of data over a CAT 5 cable
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17) IRQ 6 is commonly assigned to:
a) sound card
b) COM1
c) floppy drive controller - correct answer
d) LPT1
e) Keyboard
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18) What are the four key functions of a computer system?
a) input, processing, output, and storage - correct answer
b) keyboard, display, memory, and disk drive
c) word processing, spreadsheets, database, and contact management
d) read, write, calculate, and display
e) bits, bytes, words, and OSI
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19) hat kind of connectors are used to connect a PC power supply to a hard drive?
a) AT
b) molex - correct answer
c) mini-molex
d) P9
e) chamfer
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20) IRQ 1 is commonly assigned to:
a) it's usually open
b) system timer
c) real time clock
d) keyboard - correct answer
e) none of the above
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21) How much data will a high density (HD) floppy disk hold?
a) 124 KB
b) 640 KB
c) 720 KB
d) 1.44 MB - correct answer
e) 2.88MB
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22) 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 - correct answer
d) hot, damp conditions
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23) Which IRQ does the hard disk controller commonly use?
a) 0
b) 1
c) 4
d) 13
e) 14 - correct answer
