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 output device LCD stands for

  1. Liquid Crystal Display

  2. Light Crystal Display

  3. Liquid Compact Display

  4. Light Compact Disk

  5. Light Compact Display
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

LCD stands for Liquid Crystal Display.

Multiple choice

Pick the odd one out.

  1. Kindle

  2. Teach

  3. Produce

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

Suppress is anonymous to all the other options here. Suppress means to prevent the development, action, or expression of (a feeling, impulse, idea, etc.)  

Multiple choice

Unix is an example for

  1. input device

  2. output device

  3. operating system

  4. terminal
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Unix is a computer operating system that was developed in the 1960s and 1970s. It is not an input device, output device, or terminal - those are hardware components or interfaces, while Unix is system software.

Multiple choice

Keyboard is an input device used to give instructions to the computer. Normally how many keys are there in a keyboard?

  1. 90

  2. 101

  3. 112

  4. 87
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Standard IBM-compatible PC keyboards historically had 101 keys, including function keys, number pad, and standard QWERTY layout. This became the baseline for desktop keyboards before enhanced 104-key layouts (with Windows keys) became common. Laptop keyboards typically have fewer keys (87-90) due to space constraints.