P . J . Chakrasali

{Mo}8748000623

Email :prajwalk.j.c@gmail.com

Contents of Computer• Meaning of Computer

• Functions of Computer

• Features of Computer

• How to Computer Work?

• Generation of Computer

• Types of Computer

• Input Device

• Output Device

Computer is an advance Electronic device. that takes raw data as input from the user & Process it under the set of Instruction finally it generates the output……….

Takes data as input

Stores data/Instructions in it’s

memory

Process the data

Generate the output

Controls all the above four steps

• High Speed

• Accuracy

• Storage Capacity

• Diligence

• Versatility

Features of Computer

C.P.U

Complier

memory

output

input

complier

First generation(1946-1955) Vacuum tubes

Second Generation (1955-1965) Transistors

Third Generation(1965-1975) Integrated Circuits

Fourth Generation (1975-Present) Micro Processor

Fifth Generation (Present-Beyond) Artificial,

Intelligence

Types of Computer Super Computer:--Most powerful Computer in terms

of performance Computer & data processing.

Main Frame Computer:-

Main frame Computer is not Powerful on Super Computer, but certainly they are expressive.

Ex- Business organization, Government, bank.

Mini Computer:-

Mini Computer are used by small business and Firm.

Ex- Production department.

Personal Computer:-

Personal Computer, Powerful micro Processor.

Ex- Desktop, laptop, Tablet & Smart Phones.

Software:-Software is a set of programs/ Instruction which is designed to reform a well designed function.

Mainly 2 types

System Software

Application Software

Hardware:-Hardware means the physical & Tangible component of Computer.

Ex:- Keyboard, mouse, Printer, CPU ect….