R4RIN – MCQs, Mock Tests | Computer Hardware and Networking Computer Hardware Multiple Choice Questions(MCQs) and Answers

Devices such as mercury thermometer and kitchen scales are classified as

1. digital devices
2. analogue devices
3. programmed devices
4. signal led devices

✅ Correct Answer: 2

Devices that accepts data from outside computer and transfer into CPU are called

1. input devices
2. digital devices
3. analogue devices
4. truth table peripherals

✅ Correct Answer: 1

ESD would cause the most damage to which component?

1. Power supply
2. Expansion board
3. Monitor
4. Keyboard

✅ Correct Answer: 2

Which peripheral port provides the FASTEST throughput to laser printers?

1. RS-232
2. SCSI
3. Parallel
4. Serial

✅ Correct Answer: 3

The 34-pin connection on an I/O card is for?

1. Floppy drive
2. SCSI drive
3. IDE drive
4. Zip drive

✅ Correct Answer: 1

hat beep codes could indicate a system board or power supply failure?

1. steady short beep
2. one long continuous beep tone
3. steady long beeps
4. All of the above

✅ Correct Answer: 4

What command is used to reset a MODEM when using the "AT Command Set"?

1. ATR
2. ATZ
3. DTR
4. None of the above

✅ Correct Answer: 2

Devices that are under control of computer and are directly connected to computer peripherals are termed as

1. off-line devices
2. on-line devices
3. IN gate device
4. IF gate device

✅ Correct Answer: 2

What product is used to clean smudged keys on a keyboard?

1. TMC solvent
2. Silicone spray
3. Denatured alcohol
4. All-purpose cleaner

✅ Correct Answer: 4

If any instruction consist of any arithmetic operation data is transferred to

1. quantitative unit
2. qualitative unit
3. arithmetic and logical unit
4. central processing unit

✅ Correct Answer: 3

Which type of system board is the MOST likely candidate for processor upgrading if you want maximum performance and future compatibility?

1. ML
2. PCI
3. ISA
4. None of the above

✅ Correct Answer: 2

The mouse pointer moves erratically what is the possible cause? The mouse

1. ball is dirty
2. is not connected
3. driver is not installed properly
4. None of the above

✅ Correct Answer: 1

The terms "red book" "yellow book" and "orange book" refer to:

1. SCSI
2. ide
3. floppy drive technology
4. CD-ROM standards

✅ Correct Answer: 4

To view any currently running Terminate Stay Resident (TSR's) programs you could type

1. Memory
2. MEM
3. SYS /M
4. None of the above

✅ Correct Answer: 2

When installing a SCSI CD-ROM drive you must set the CD-ROM SCSI adapter to:

1. B0007
2. An unused SCSI address
3. The same address as the SCSI device before the CD-ROM
4. SCSI ID=1

✅ Correct Answer: 2

main store' of CPU is also called

1. main memory
2. temporary memory
3. immediate access store
4. both A and C

✅ Correct Answer: 4

Central Processing Unit (CPU) consists

1. control unit
2. arithmetic and logic unit
3. main store
4. all of above

✅ Correct Answer: 4

To view any currently running Terminate Stay Resident (TSR's) programs you could type:

1. Memory
2. MEM
3. SYS /M
4. Memmaker

✅ Correct Answer: 2

Voltage is measured:

1. in parallel
2. in series
3. after breaking the circuit
4. after checking current

✅ Correct Answer: 1