Computer Knowledge

Computer Hardware Devices

1,004 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
  1. keyboard

  2. mouse

  3. printer

  4. scanner

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A scanner optically scans images, documents, or objects and converts them into digital data that a computer can store and process. Unlike input devices like keyboard and mouse which capture text/commands, a scanner captures visual information. Printer is an output device, not an input device.

Multiple choice
  1. IBM

  2. Dell

  3. Xerox

  4. Warner Bros

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Xerox's Palo Alto Research Center (PARC) developed the modern computer mouse in the 1970s, which was then commercialized by Apple. While IBM and Dell are major computer companies, and Warner Bros is an entertainment company, neither developed the original mouse technology. Xerox PARC was responsible for many computing innovations including the graphical user interface and ethernet.

Multiple choice
  1. input device

  2. output device

  3. pointing device

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A light pen is a light-sensitive pointing device used to select or draw objects on a computer's display. While it is an input device, 'pointing device' is the more specific classification provided in the options.