Computer Knowledge

Computer Hardware Devices

893 Questions

Computer Hardware Devices focuses on the physical components of a computer system, including input, output, and memory devices. It tests practical understanding of ports, displays, and peripheral technologies. This topic is common in the computer knowledge section of banking and SSC exams.

Input output devicesMonitor settingsComputer portsAssistive technologyHardware components

Computer Hardware Devices Questions

Multiple choice

A camera is a/an

  1. input device

  2. input or output

  3. processing machine

  4. output machine
Reveal answer Fill a bubble to check yourself
B Correct answer
Multiple choice

Which one of the following is not an input device?

  1. Magnetic ink character reader

  2. Microphone

  3. Scanner

  4. Plotters
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Plotters are output devices that produce high-quality graphics and drawings on paper. Magnetic ink character readers, microphones, and scanners all input data INTO the computer, while plotters send data OUT for physical representation.

Multiple choice

The output that is obtained on the screen is called

  1. Hard copy

  2. Soft copy

  3. Print copy

  4. VDU
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Soft copy refers to output displayed on screen that exists only while powered. Hard copy is a permanent printed version. Print copy refers to hard copy, and VDU (Visual Display Unit) is the monitor hardware itself. The term 'soft copy' specifically denotes temporary, screen-based output.

Multiple choice

The ____________ port in a computer is a standard hardware interface used for implementing asynchronous serial data communication ports on devices such as CRT terminals, printers modems and keyboards.

  1. LPT1

  2. USB

  3. RS232C

  4. SCSI

  5. Game port
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This port in a computer is a standard hardware interface used for implementing asynchronous serial data communication ports on devices such as CRT terminals, printers modems and keyboards.

Multiple choice

The EAM device that does not use a control panel is the

  1. Collator

  2. Reproducer

  3. Interpreter

  4. Sorter
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Among EAM (Electrical Accounting Machine) devices, the Sorter was the most fixed-function device that sorted punched cards into predetermined stacker pockets based on column values. Unlike Collators, Reproducers, and Interpreters which had configurable control panels for various operations, the Sorter's function was largely fixed and automated.