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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Abstract machine model
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Client-Server model
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Control model
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None of these
A
Correct answer
Explanation
This model in software engineering models the interfacing of subsystems.
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Corrective maintenance
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Perfective maintenance
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Adaptive maintenance
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None of these
C
Correct answer
Explanation
Adaptive maintenance refers to the change of software to some new environment so that different hardware platforms are used with different operating systems.
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Hard disk
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Operating system
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ROM
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Ethernet card
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Only 2 and 3
C
Correct answer
Explanation
ROM is essential for booting process. It is on the mother board and BIOS is written in that ROM.
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Hard disk
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ROM
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CPU
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Cache
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RAM
C
Correct answer
Explanation
This is the central processing unit of a computer and it controls each and every operation performed by a computer.
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Motherboard
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Sound card
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Secondary storage
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Peripherals
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Windows
E
Correct answer
Explanation
It is an operating system and not a hardware device. Hence, this is the correct alternative.
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A virus is a computer program which can copy itself and infect a computer.
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A virus can spread from one computer to another.
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A virus can be spread by removable mediums such as CD, DVD, USB.
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Two viruses cannot co-exist in a computer.
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Viruses can spread through internet.
D
Correct answer
Explanation
This is the correct answer. There can be a multiple number of viruses in a computer.
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Input unit
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Output unit
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Central processing unit
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Internal unit
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Control unit
D
Correct answer
Explanation
This is the correct answer. There is no component as internal unit in computer terminology.
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Microsoft essentials
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Kaspersky
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Symantec norton
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McAfee
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Nimada
E
Correct answer
Explanation
It is the name of a famous virus that was spread in 2001.
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Hard disk
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Motherboard
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RAM
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ROM
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ALU
E
Correct answer
Explanation
ALU (Arithmetic and logic unit) is the part of CPU which is a digital circuit used to perform arithmetic and logic operations.
C
Correct answer
Explanation
CISC (Complex Instruction Set Computing) is a type of microprocessor design. The CISC architecture contains a large set of computer instructions that range from very simple to very complex and specialised.
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Speed
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Diligence
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Decision making
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Versatility
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Accuracy
C
Correct answer
Explanation
Computer can only perform tasks that it has been programmed to do. Computer cannot do any work without instructions from the user. It executes instructions as specified by the user and does not take its own decisions.
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Bandwidth
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FLOPS
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Baud rate
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Hertz
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Faraday
B
Correct answer
Explanation
FLOPS (for FLoating-point Operations Per Second) is a measure of computer performance. It is especially used in fields of scientific calculations.
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File System Management
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Device Drivers
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CPU
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Kernel
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System Utilities
D
Correct answer
Explanation
A kernel is a central component of an operating system. It acts as an interface between the user applications and the hardware. The sole aim of the kernel is to manage the communication between the software (user level applications) and the hardware (CPU, disk memory etc.)
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Memory management
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Device management
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Providing user interface
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All of the above
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Only (1) and (3)
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Trojan horse
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Boot sector
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Script
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Logic bomb
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None of these
B
Correct answer
Explanation
Boot sector viruses are often transmitted by a floppy disk left in the floppy drive.