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
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True
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False
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Can't say
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None of the above
A
Correct answer
Explanation
USB Bluetooth adapters (dongles) allow desktop computers without built-in Bluetooth to connect to Bluetooth devices.
A
Correct answer
Explanation
LCD (Liquid Crystal Display) is a common technology used for computer monitors and television screens.
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Key Board
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Monitor
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Power (AC/DC)
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Handle
D
Correct answer
Explanation
Keyboards, monitors, and power supplies are essential components of a computer system. A handle is a physical part of a case or peripheral, but it is not a functional component used in the operation of a computer.
B
Correct answer
Explanation
A MODEM (Modulator-Demodulator) is a hardware device that converts digital signals into analog signals and vice versa, enabling communication over telephone lines or cable.
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keyboard
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scanner
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mouse
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pencil
C
Correct answer
Explanation
A mouse is the primary input device used for drawing, pointing, and clicking in graphical user interfaces.
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speakers
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microphone
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web camera
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mouse
B
Correct answer
Explanation
A microphone is an input device that converts sound waves into electrical signals, allowing for audio recording on a computer.
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microphone
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monitor
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keyboard
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none of the above
D
Correct answer
Explanation
Speakers or headphones are required to hear sound from a computer. Since neither is listed as an option, 'none of the above' is the correct choice.
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speakers & keyboard
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microphone & speakers
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speakers & mouse
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keyboard & mouse
B
Correct answer
Explanation
A multimedia computer requires both input (microphone) and output (speakers) capabilities to handle audio and video content effectively.
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printer
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monitor
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keyboard
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scanner
A
Correct answer
Explanation
A printer is an output device that produces a hard copy of digital documents or images on paper.
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Keyboard
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Mouse
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Joystick
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None of the above
A
Correct answer
Explanation
A keyboard is an input device specifically designed for typing text and entering commands. A mouse is for pointing, and a joystick is for gaming.
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Printer
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Scanner
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Monitor
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Webcam
C
Correct answer
Explanation
The monitor is the primary visual output device that displays the work being performed on the computer. Printers provide physical copies, and scanners are input devices.
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Keyboard
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Mouse
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Joystick
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All of the above
D
Correct answer
Explanation
While joysticks are specialized for games, keyboards and mice are also frequently used to control gameplay. Thus, all of the above is the most comprehensive answer.
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Print Screen
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Touch Screen
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Monitor Screen
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View Screen
B
Correct answer
Explanation
A touch screen is a display device that allows users to interact with the computer by touching the screen directly.
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Electronic cash
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Debit card
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Smart card
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EDI
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E-mail
C
Correct answer
Explanation
This is an electronic device that contains electronic memory and embedded integrated circuit and is used to store user information and authentication information about the user.
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input
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output
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control
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storage
A
Correct answer
Explanation
A keyboard is used to enter data into the computer, making it an input device.