Computer Knowledge
Computer Fundamentals and System Concepts
2,255 Questions
Computer fundamentals and system concepts questions cover core hardware components, operating systems, and historical computer milestones. Topics include the kernel, central processing unit, and basic computing terminology. These foundational questions are strictly essential for scoring well in computer knowledge sections.
Central processing unitComputer operating systemsSupercomputer milestonesSystem registry functionsKernel operationsAndroid applications
Computer Fundamentals and System Concepts Questions
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command - based user interface
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GUI
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system utility
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API
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none of these
B
Correct answer
Explanation
A Graphical User Interface (GUI) allows users to interact with electronic devices through graphical icons and visual indicators, such as secondary notation, instead of text-based user interfaces.
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Restoring the information backup
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An exact copy of a system's information
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The ability to get a system up and running in the event of a system crash or failure
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All of these
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None of these
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Existing program files and icons disappear.
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The CD-ROM stops functioning.
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The Web browser opens to an unusual home page.
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Odd messages or images are displayed on the screen.
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None of these
B
Correct answer
Explanation
While viruses can cause various software-related issues, hardware failure like a CD-ROM drive stopping is almost always due to physical or driver issues, not a software virus.
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System software
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Operating system
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System operations
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None of these
B
Correct answer
Explanation
System software and system operations can start their operations only after the OS boots up and is running.
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Working system
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Peripheral system
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Operating system
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None of the above
C
Correct answer
Explanation
An operating system is the primary software that manages computer hardware, software resources, and provides common services for computer programs.
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hardware
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peripherals
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memory
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screen
A
Correct answer
Explanation
The operating system acts as an intermediary between the user and the computer hardware, managing resources and providing an abstraction layer.
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multi-programming
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virtual storage
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time-sharing
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multi-processing
B
Correct answer
Explanation
A front-end processor is a specialized computer used to offload communication tasks from the main CPU, often associated with virtual storage or network management in older mainframe architectures.
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Are found at thousands of sites around the world
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Can now fit on a single silicon chip
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Are usually designed to process accounting applications
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Are not fast enough for some applications
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The clock speed of the microprocessor
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The revolutions per minute of the printer desk
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The primary storage capacity of the processor
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The built-in instruction set available to the microprocessor
B
Correct answer
Explanation
The revolutions per minute (RPM) of a printer desk is irrelevant to the processing capacity or performance of a PC system, as it relates to a peripheral device's mechanical speed, not the computer's processing power.
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May choose to rent a machine since this is least expensive acquisition method
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May buy the equipment to reduce the risk of technological obsolescence
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May lease a machine in order to avoid a large purchase price
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May choose to build its own system from bins of integrated circuits
C
Correct answer
Explanation
Leasing is a common financial strategy for organizations to acquire expensive mainframe hardware without the large upfront capital expenditure of a full purchase.
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Versatility
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Compatibility
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Reliability
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Computability
B
Correct answer
Explanation
Compatibility refers to the ability of hardware or software to work together or be substituted for one another without requiring significant changes.
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Cray-1
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Optical computers
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Hidden computers
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KIPS
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It is a new computer program used for the analysis of data received form space centres/satellites.
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It is a new operating system useful for personal computers.
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It is the brand name of the new computers lauched specially for use in schools and adult education centres in India.
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It is a new software developed by Microsoft to be used for medical purpose.
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None of these
B
Correct answer
Explanation
Windows Vista is a major operating system released by Microsoft, succeeding Windows XP.
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metre/hour
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word per minute
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hertz
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none of the above
C
Correct answer
Explanation
CPU clock speed is measured in cycles per second, which is expressed in Hertz (Hz), MHz, or GHz.
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Programmer
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Human Being
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Both (1) and (2)
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Robot