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

The machine that is used mainly for transmitting sketches is known as

  1. telefax

  2. telex

  3. tele-autograph

  4. teletex

  5. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Telefax is used for transmitting sketches. The chart or diagram is first sketched on paper. This is wrapped around a cylinder in machine and sent. The sender makes contact with the receiver by telephone. 

Multiple choice

Which is Universal Product Code (UPC)?

  1. Scanner

  2. Barcode system

  3. Graphics adapter

  4. Hardware equipment

  5. Antivirus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, bar code system is called as Universal Product Code and it is an electronic device for reading printed bar codes.

Multiple choice

VDU is also called as_________.

  1. screen

  2. monitor

  3. both 1 and 2

  4. plotter

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

Yes, both options are true because screen and monitor both are the display units.

Multiple choice

Expand the term MICR.

  1. Magnetic Ink Character Reader

  2. Magnetic Ink Code Reader

  3. Magnetic Ink Chapter Reader

  4. Magnetic Ink Case Reader

  5. Metallic Ink Code Recognition
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Correct option Mostly used by banks for authentication of cheques

Multiple choice

How is display size of any monitor measured?

  1. Length X Breadth

  2. Vertically

  3. Horizontally

  4. Diagonally

  5. Megapixel
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Monitor size is always measured diagonally. This is applicable to most of the visual display units.

Multiple choice

Which of the following is a hardware, and not a software?

  1. Excel

  2. Printer driver

  3. Operating system

  4. Power point

  5. CPU
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The CPU (Central Processing Unit) is a physical hardware component that processes instructions. Excel, printer driver, operating system, and PowerPoint are all software programs that run on hardware.

Multiple choice

Which of the following connections to the computer is correct for the devices-keyboard, mouse and printer, respectively?

  1. Parallel port, PS2, serial port

  2. PS2, serial port, PS2

  3. PS2, PS2, parallel port

  4. Serial port, parallel port, PS2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Keyboards and mice traditionally connect via PS/2 ports, while printers use parallel ports. Option C correctly matches keyboard-PS2, mouse-PS2, printer-parallel port. Other options either mismatch the ports or incorrectly assign serial ports to these devices.

Multiple choice

Input is _______.

  1. a keyboard, a disk drive, or tape drive

  2. either soft copy or hard copy written to a disk

  3. a program result

  4. data and program entered to the computer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Input refers to any data or programs that are entered into the computer system from external sources. This includes keyboard entries, data from files, commands, and any information the computer processes to produce output.