Computer Hardware | MCQs

Explanation

Video processor consists of Video Graphic Array and memory which store and process images.

Video Graphics Array  first introduced with the IBM PS/2 line of computers in 1987

A VGA cable is a device used to transfer video signals.

VGA provides a maximum resolution of 640 x 480 with a refresh rate of 60 Hz

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Explanation

Explanation

The physical part of a computer is called hardware.

Hardware refers to all the tangible parts of a computer that contribute to its functionality.

Some examples of hardware include:

Motherboard, RAM, CPU, Mouse, Keyboard, CD, DVD, Hard disk, Monitor, and Case.

In contrast, software is the intangible part of a computer that helps it perform its functions.

Software is made up of programs, procedures, and routines that run the computer system.

Explanation

An arithmetic logic unit  is a digital circuit used to perform arithmetic and logic operations.

It represents the fundamental building block of the central processing unit (CPU) of a computer.

Modern CPUs contain very powerful and complex ALUs.

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Explanation

Explanation

Hard disk storage devices can store a maximum amount of data.

It has the highest capacity to store data up to 2 Terabytes.

Hard Disk is an electromechanical data storage device that stores and retrieves digital data using magnetic storage.

Explanation

A hard disk is a secondary storage device used to store data permanently.

RAM and ROM are primary storage (main memory).

Diodes and Semiconductors are basic electronic components.

Explanation

DMA Stands for "Direct Memory Access."

DMA is a method of transferring data from the computer's RAM to another part of the computer without processing it using the CPU.

Explanation

The computer that processes both analog and digital signal is called hybrid computer.

Hybrid computers are computers that exhibit features of analog computers and digital computers.

The digital component normally serves as the controller and provides logical and numerical operations,

while the analog component often serves as a solver of differential equations and other mathematically complex problems.

Explanation

 A computer system consists of a computer case, a power supply unit, a motherboard, a central processing unit, main memory, and a hard disk drive.

Input devices include a keyboard, mouse, microphone, video camera, and image scanner.

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