CCC Study Material in English Introduction to Computer

CCC Study Material in English Introduction to Computer

CCC Study Material in English Introduction to Computer : Course on Computer Concept (CCC) Based on NIELIT (DOEACC) Latest Syllabus, CCC important Study Material in English 2019 Study Guide, CCC Study Material With Model Practice Sets Available this Post, Please Read This Post CCC Study Material Online PDF (Download) Full Course.

CCC Study Material in English Introduction to Computer

CCC Study Material in English Introduction to Computer

Introduction to Computer (DOEACC CCC Study Material)

A computer is an electronic device that manipulates information or data according to the set of instructions called programs. It has the ability to store, retrieve and process data. A computer is used to type documents, send E-mails and browse the Internet. It is also used to handle accounting, database management, presentations, and games and so on. The term ‘computer’ is derived from the Latin word ‘computer’, which means ‘to calculate’.

What is Computer?

A computer is an electronic machine that accepts data
from the user, processes the data by performing
calculations and operations on it and generates the desired
output as a result.

Charles Babbage is called the father of computer’.
Generally, computer is the combination of hardware
and software, which Converts data into information.
Some terms used in computer terminology are
described below:



Data Unprocessed raw facts and figures, like Computer numbers, text on pieces of paper, are known as data.

Processing It is the sequence of actions taken on data to convert it into information.

Information When data is processed, organized, structured or presented in a given context so as to be useful, then it is called information.

Instruction It is a command given to a computer in the computer language by the user.

Program It is a set of instructions given to a computer in order to perform some task.

History of Computer (CCC Study Material)

Computers were preceded by many devices developed by mankind for their computing requirement Flowerier; many centuries elapsed before technology was adequately advanced to develop computers. The key development that took place ll the first computer w develoP are as follows:

Characteristics of Computer (NIELIT CCC Study Material)

Most of the world’s infrastructure  runs on computers and computers have profoundly changed our lives, for the better improvement. Let us discuss some of the characteristics of a computer:

(i) Speed The computer can process data very fast at the rate of millions of instructions per second.

(ii) Accuracy Computer provides a high degree of accuracy. Computer responds to the user as per the input instructions.

(iii) Storage Capacity Computers are capable to store huge amount of data, which depends on the capacity of hard disk.

(iv) Versatility Computers can do different types of work simultaneously. They can perform multiple tasks at a same time.

(v) Plug and Play Computers has the ability to automatically configure a new hardware and software component.

(vi) Diligency Unlike human beings, a computer is free from monotony, tiredness, lack of concentration, etc, and can work for hours without creating any errors.

(vii) Secrecy Leakage of information is reduced by creating login system with password protection e.g. ATM counter, E-mail, etc.

(viii) Reliability Computer are more reliable than human beings. Computers always produce exact results. The possibility of errors occur only if the input is wrong, i.e. the computers never make mistakes of their own accord.

Applications of Computer
Now-a-days computers have been employed in almost all the aspects of professional and personal life. Some of the areas where computers being used are given below:

Application of Computer

Application of Computer

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