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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Monitor connection is loosed.
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SMPS gives less power.
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Keyboard is not connected.
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Monitor is not connected.
C
Correct answer
Explanation
When the screen shows 'Press F1', it typically indicates the keyboard is not properly connected or recognized by the computer. The F1 key is a standard function key on keyboards, and this error appears during POST (Power-On Self-Test) when the system can't communicate with the keyboard.
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Microphone and socket
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Amplified socket
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Multimedia card
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All of the above
C
Correct answer
Explanation
To use a computer as an audio player with full sound capabilities, a multimedia card, commonly known as a sound card, must be added to handle audio processing. Microphones and speakers connect to it, but the internal hardware required is the multimedia card.
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KeyEvent
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ActionEvent
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MouseKeys
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SerialKeys
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RepeatKeys
D
Correct answer
Explanation
These utilities are designed to make the system more accessible and give Windows 2000 the ability to support speech augmentation devices.
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RepeatKeys
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Narrator
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MouseKeys
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Caching
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Intercrosses communication
B
Correct answer
Explanation
This utility designed to make the system more accessible to assist the users with visuals impairments with system messages.
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AC = 0 and CY = 0
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AC = 1 and CY = 1
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AC = 1 and CY = 0
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AC = 0 and CY = 1
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Scanner
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Mouse
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Keyboard
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Touch screen
D
Correct answer
Explanation
The touch screen displays the output as well as receives inputs by sensing the touch made by user on the options or menu.
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CRT screen
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LCD monitor
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Dot-Matrix Printer
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None of these
B
Correct answer
Explanation
LCDÂ refers to LIquid Crystal Display consists of screen filled with molecules of a liquid which reflects the light.
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Mechanical mouse
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Optical mouse
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Wireless mouse
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None of these
C
Correct answer
Explanation
Wireless mouse makes use of either infrared or radio waves to communicate with computer.
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Digital Camera
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Bar Code Reader
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Biometric Sensor
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None of these
C
Correct answer
Explanation
These are the input devices which makes use of voice recognition or fingerprint methodology to identify a person's identity.
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LCD
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CRT
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Light Pen
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Plotter
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Plasma Display
B
Correct answer
Explanation
The shadow mask is one of the technologies used to manufacture cathode ray tube (CRT) televisions and computer displays that produce color images
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Biometric system
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Voice recognition system
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Barcode reader
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Touch screen
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OCR
C
Correct answer
Explanation
Bar code readers device represents a sequence of dark and light lines which represents coded data..
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Touch screen
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Light pen
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Scanner
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OMR
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Joystick
B
Correct answer
Explanation
This device consists of a photoelectric cell which is packed into a slender tube having the dimension of a pen.
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Magnetically Operated User Serial Engine
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Mechanically Operated User Serial Engine
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Magnet of User Search Engine
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Mechanically Operated User Machine
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None of these
B
Correct answer
Explanation
This is the correct expanded form of MOUSE
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First-in first-out replacement algorithm
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Random replacement algorithm
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Least recently used algorithm
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None of these
A
Correct answer
Explanation
This replacement algorithm removes the block that has been in the cache for the longest time.
