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. COM

  2. CDROM

  3. MICR

  4. None of the above

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

COM usually refers to a serial communication port or a command file extension, not a data entry device. CDROM is a storage medium, and MICR (Magnetic Ink Character Recognition) is a specialized data entry technology used in banking.

Multiple choice
  1. For data processing in a restaurant

  2. When mouse is used as the main input device

  3. When data has to be imported from a spreadsheet

  4. When it is difficult for the user to remember all the options available and for typing in complicated commands

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

Menu interfaces are ideal for users who are not familiar with complex command-line syntax, as they provide a visual list of available options, reducing the memory load.

Multiple choice
  1. is used to increase effective bus bandwidth

  2. uses protocol in which bus is released while memory access takes place

  3. time to complete one transfer will take little more time

  4. all of these

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

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Multiple choice
  1. microphones

  2. headphone

  3. earphones

  4. phone

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

A microphone is the input device used to capture audio or voice commands to communicate with a computer.

Multiple choice
  1. airplane mode

  2. charging it

  3. having multiple tabs open at once

  4. playing on it for hours

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

Airplane mode disables wireless communications (Wi-Fi, cellular, Bluetooth), which reduces the power consumption and processing load on the device, helping to prevent overheating.

Multiple choice
  1. When you use all your fingers and don’t look at the keyboard

  2. When you touch the computer without looking

  3. When you type the word touch

  4. When you use one of your fingers to type

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

Touch typing is a method of typing that relies on muscle memory, using all fingers to type without looking at the keyboard.