Computer Hardware MCQs | Computer Hardware Multiple Choice Questions(MCQs) and Answers

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Questions
1 RAM' stands for
A Random Access Memory
B Read Access Memory
C Read Arithmetic Memory
D Random Arithmetic Memory

Answer: Random Access Memory
2 Devices that accepts data from outside computer and transfer into CPU are called
A input devices
B digital devices
C analogue devices
D truth table peripherals

Answer: input devices
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3 Devices such as mercury thermometer and kitchen scales are classified as
A digital devices
B analogue devices
C programmed devices
D signal led devices

Answer: analogue devices
4 ESD would cause the most damage to which component?
A Power supply
B Expansion board
C Monitor
D Keyboard

Answer: Expansion board
5 Which peripheral port provides the FASTEST throughput to laser printers?
A RS-232
B SCSI
C Parallel
D Serial

Answer: Parallel
6 The 34-pin connection on an I/O card is for?
A Floppy drive
B SCSI drive
C IDE drive
D Zip drive

Answer: Floppy drive
7 What beep codes could indicate a system board or power supply failure?
A steady short beep
B one long continuous beep tone
C steady long beeps
D All of the above

Answer: All of the above
8 What command is used to reset a MODEM when using the "AT Command Set"?
A ATR
B ATZ
C DTR
D None of the above

Answer: ATZ
9 Devices that are under control of computer and are directly connected to computer peripherals are termed as
A off-line devices
B on-line devices
C IN gate device
D IF gate device

Answer: on-line devices
10 What product is used to clean smudged keys on a keyboard?
A TMC solvent
B Silicone spray
C Denatured alcohol
D All-purpose cleaner

Answer: All-purpose cleaner
11 If any instruction consist of any arithmetic operation, data is transferred to
A quantitative unit
B qualitative unit
C arithmetic and logical unit
D central processing unit

Answer: arithmetic and logical unit
12 Which type of system board is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?
A ML
B PCI
C ISA
D None of the above

Answer: PCI
13 The mouse pointer moves erratically, what is the possible cause? The mouse
A ball is dirty
B is not connected
C driver is not installed properly
D None of the above

Answer: ball is dirty
14 The terms "red book", "yellow book", and "orange book" refer to:
A SCSI
B ide
C floppy drive technology
D CD-ROM standards

Answer: CD-ROM standards
15 To view any currently running Terminate Stay Resident (TSR's) programs you could type:
A Memory
B MEM
C SYS /M
D None of the above

Answer: MEM
16 When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to:
A B0007
B An unused SCSI address
C The same address as the SCSI device before the CD-ROM
D SCSI ID=1

Answer: An unused SCSI address
17 'main store' of CPU is also called
A main memory
B temporary memory
C immediate access store
D both A and C

Answer: both A and C
18 Central Processing Unit (CPU) consists of
A control unit
B arithmetic and logic unit
C main store
D all of above

Answer: all of above
19 To view any currently running Terminate Stay Resident (TSR's) programs you could type:
A Memory
B MEM
C SYS /M
D Memmaker

Answer: MEM
20 Voltage is measured:
A in parallel
B in series
C after breaking the circuit
D after checking current

Answer: In parallel
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