COMPUTER MCQ FOR COMPETITIVE EXAMS

WHAT ARE A COMPUTER AND ITS COMPONENTS?

The word computer comes from the word “Compute” which means to calculate. So the computer is normally considered to be a calculating device that can perform arithmetic operations with high speed. (Here you can Find a Lot of Computer Mcq for Competitive Exams in Pakistan).

HOW WE CAN DEFINE A COMPUTER?

The computer is an electronic data processing machine that accepts data in the form of raw facts processes this data according to a set of instructions and gives output to the user in the form of information.

COMPONENTS OF A COMPUTER

The computer consists of two main components, and further these components are divided into various parts.

> Hardware Components

> Software Components.

Hardware Components

The components that can be touched and seen are called hardware components. The following are the hardware components of a computer system.

Motherboard: It is also called the system board. It consists of an IC Chip, memory chip, I/O Controller, expansion slots, and no. of logic circuits.

Central Processing Unit: It is also called a CPU. The CPU consists of two parts i.e. Control unit and the Arithmetic and Logic Unit.

Input Devices: The devices which are used to give input to the computer are called input devices. For example Keyboard, Mouse, Scanner, Joystick, and Trackball.

Output Devices: The devices that are used to produce output are called Output devices. Examples of output devices are Monitor, Printer, Plotter, and Projector.

Memory Devices: These devices are used to store instructions and results. The are various memory devices. The basic memory devices are primary memory, Secondary memory, and cache memory

Peripheral Devices: The devices that are not part of the computer architecture and used to enhance the capability of a computer are called peripheral devices. For example, the Microphone.

Software Components 

These are a set of instructions that govern the operations of a computer system. The software components are divided into three parts as follows:

• System Software
• Application Software
• Utility Software.

I hope this will help you to understand the basics of what is a computer and its components. After learning about the basic components of computers, here you can find a lot of Computer MCQs & Books about the basics of computers, Fundamentals of Computers, Programming, and Computer Applications for the preparation of  FPSC, NTS, CSS, PPSC, SPSC, BPSC, KPSC, PTS, OTS, BTS, & other Competitive Exams.  Click on the download link below …

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