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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Monitor
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CPU
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Hard Disk Drive
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Floppy Disk Drive
B
Correct answer
Explanation
The Central Processing Unit (CPU) is the primary component responsible for executing instructions and processing data.
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number of devices installed inside the chassis
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number of slots
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memory of computer
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none of the above
B
Correct answer
Explanation
The size and dimension of a computer chassis are primarily determined by the number of expansion slots and the form factor of the motherboard.
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Printer
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Typewriter
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Plotter
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Modem
B
Correct answer
Explanation
A typewriter is a mechanical device, not a computer hardware component.
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To execute any order given by the user
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To execute task given by the user
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To interact with user through different interfaces
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To make user tension-free
C
Correct answer
Explanation
Hardware provides the physical interface through which users interact with the software and the computer system.
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BIOS
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Computer
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Programmer
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User
A
Correct answer
Explanation
BIOS (Basic Input/Output System) contains the firmware instructions that define how the computer starts and interacts with hardware.
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ports
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switch
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wires
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socket
A
Correct answer
Explanation
Ports are the physical interfaces on a computer that allow for the connection and communication of external accessories.
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Reset Button
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Power Button
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Turbo Button
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None of the above
B
Correct answer
Explanation
The power button on the front of a CPU case is the primary switch used to send a signal to the power supply unit to turn on the computer.
C
Correct answer
Explanation
PS/2, COM1, and COM2 are standard legacy ports found on older motherboards. OS/2 is an operating system, not a hardware port.
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bell
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fan
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geyser
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air conditioner
B
Correct answer
Explanation
A computer's power consumption is generally comparable to that of a standard electric fan. It is significantly lower than high-draw appliances like geysers or air conditioners.
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LED indicators
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Power sockets
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Ports
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None of the above
A
Correct answer
Explanation
LED indicators are typically located on the front panel of a CPU box to show power and drive activity. The rear panel contains ports and power sockets.
B
Correct answer
Explanation
The chassis is the physical frame or housing that encloses the components of a computer. It is the structural mainframe of the system.
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False
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True
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Cant say
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None of the above
B
Correct answer
Explanation
If software is not optimized for high core counts, adding more cores provides diminishing returns or overhead that can lead to performance stagnation or slight decreases.
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E-Scan
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Avast
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AVG
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All of the above
D
Correct answer
Explanation
E-Scan, Avast, and AVG are all well-known antivirus software programs.
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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
All-in-one (AIO) desktop computers integrate the CPU and display into a single unit to save space.
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True
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False
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Cant say
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None of the above