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

Refer to the exhibit. Which term correctly identifies the device type that is included in the area B?

  1. Source

  2. End

  3. Transfer

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

Intermediary devices sit between the source and destination in a network communication path. These devices (like routers, switches, or proxies) forward or process traffic as it moves across the network, unlike endpoints which are the actual sources or destinations of the communication. Source and End refer to the communicating endpoints, while Transfer is not a standard networking device classification.

Multiple choice

Which of the following are correct input types?

  1. Text, Password, Reset, List

  2. Submit, Reset, List, Password

  3. Radio, Reset, List, Password

  4. Submit, Reset, Checkbox, Password

  5. Submit, Reset, Background image, Password
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Submit, Reset, Checkbox and Password all are input types.

Multiple choice

In which hardware devices is TFT used?

  1. LCD

  2. LED

  3. Digital camera

  4. Ink jet printer

  5. Flatbed scaner
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

TFT stands for Thin Film Transistor. These transistors are used in high-quality flat panel liquid-crystal displays (LCDs).

Multiple choice

Which of the following types of scanners is having a set of light emitting diodes encased in a small case and whenever we have to scan a document, an user drags it slowly over the document from one end to the other end with its light on?

  1. Flatbed scanner

  2. Hand-held scanner

  3. Touch screen

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This type of scanner is having a set of light emitting diodes encased in a small case and whenever we have to scan a document, an user drags it slowly over the document from one end to the other end with its light on.

Multiple choice

Which of the following is a block device?

  1. Mouse

  2. Printer

  3. Terminals

  4. Disk

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

It is a storage medium device where data are recorded by various electronic, magnetic, optical, or mechanical changes to a surface layer of one or more rotating disks.

Multiple choice

What is the name of the photosensitive input device, which interacts with computer through a cathode-ray tube display?

  1. Plotter

  2. Light pen

  3. Touch user interface

  4. Optical mouse

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

Light pens are used to manipulate information on a computer. It is a small, photosensitive device connected to a computer and moved by hand over an output display. It interacts with a computer through a cathode-ray tube display.

Multiple choice

Which of the following output devices contains an electron gun?

  1. CRT

  2. LCD

  3. Laser printer

  4. Plasma display

  5. Electroluminescent displays
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Cathode Ray Tube (CRT) is a vacuum tube containing an electron gun (a source of electrons) and a fluorescent screen, with internal or external means to accelerate and deflect the electron beam, used to create images in the form of light emitted from the fluorescent screen.