HARTRON EXAM THEORY PART -02

Definition of computer

In simple words, a computer can be defined as an electronic machine that can receive and store data, process it and results in a particular pre-defined format. Some of the features are given here
1.- A computer can be defined as an electronic device that has the ability to accept data and other instructions given by the user.
(A.) stores data and instructions, performs arithmetic and string functions

(B.) Results as output according to user’s feature
(C.) Transfers data, images and sound at a very rapid rate via telephone line or cable

2.- Information Technology Act 2002, states that “computer means any electronic, magnetic, optical or other high-speed data processing device or system that uses logical arithmetic and memory functions for electronic, magnetic or optical devices. Performs and includes all inputs, outputs, processing, computer software or communication facilities that the company In Yutr system or computer network consists of computer-related or connected

3.- Computers are data processing machines that provide complete information by processing data and instructions (arithmetic and logical).

Model of Digital computer / Components of computer

The main components of a computer system are:-

(1) Central Processing Unit / Functional Unit
(2) Input unit
(3) Output unit
(4) Memory unit

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