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
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software
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shareware
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firmware
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mindware
B
Correct answer
Explanation
Shareware is software that is distributed for free on a trial basis, with the expectation that users will pay a fee if they continue to use it.
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Solid state
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RGB monitor
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VLSI
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Direct View Storage Tube
A
Correct answer
Explanation
Flat panel displays, such as LCDs and OLEDs, utilize solid-state technology to manipulate light and display images, replacing bulky cathode ray tubes.
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Mouse
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Light pen
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Holographs
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Joystick
C
Correct answer
Explanation
Holographs (or more accurately, barcode scanners/readers) are used to sense and decode the information contained in bar codes for inventory management.
A
Correct answer
Explanation
Optical Character Recognition (OCR) is the technology specifically designed to scan and convert printed or handwritten text into machine-readable digital data.
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Bit-map terminal
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Character-map terminal
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Monochrome terminal
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TV type terminal
A
Correct answer
Explanation
A bit-map terminal maps every pixel on the screen directly to a bit in memory. This allows for individual control of each pixel, which is essential for graphical displays.
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kimbell tags
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bar codes
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printed information
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both (2) & (3)
D
Correct answer
Explanation
POS terminals are designed for retail environments to read product data. This includes bar codes and other printed information on tags or labels.
D
Correct answer
Explanation
Optical Mark Recognition (OMR) is the standard technology used to grade multiple-choice tests by detecting the presence of marks on a pre-printed form.
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Card reader
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Joystick
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Keyboard
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All of the above
B
Correct answer
Explanation
A joystick is an input device that allows a user to provide x-y coordinate input, commonly used in gaming and CAD applications for precise movement.
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Desktop publishing
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Typesetting
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Photocomposition
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Computer typesetting
A
Correct answer
Explanation
Correct Answer: Desktop publishing
It is used to refer to publishing tasks.
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Operating system
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Graphical user interface
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Program
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Application
B
Correct answer
Explanation
A Graphical User Interface (GUI) allows users to interact with electronic devices through graphical icons and visual indicators, rather than text-based command lines.
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whenever you double click on the desktop
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whenever you open My Computer
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when you do not touch the mouse or keyboard for a specified time
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none of the above
C
Correct answer
Explanation
A screen saver is a utility that automatically starts after a period of user inactivity to prevent screen burn-in and provide security.
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Punched Paper Tape
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Punched Card
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Touch Pad
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Magnetic Disk
C
Correct answer
Explanation
A touch pad is an input device that uses a pressure-sensitive surface (often with switch contacts) to detect touch and translate it into coordinate movements.
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voice recognition unit
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magnetic tape
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voice response unit
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voice band
C
Correct answer
Explanation
Voice response unit is a device which uses words or messages recorded on a magnetic medium to produce audio response.
B
Correct answer
Explanation
We can connect two devices to a single IDE cable because it has an additional connector which enables us to connect 2 IDE devices to the system.
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Full Duplex
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Simplex
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Half Duplex
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None of the above
B
Correct answer
Explanation
In above condition only simplex is involved, i.e. only in one direction.