Introduction to computers new 2010

Introduction to Computers ,[object Object]

Computers around us… ,[object Object]

What is a Computer? ,[object Object],[object Object],[object Object],[object Object]

Uses of Computer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Uses of Computer ,[object Object],[object Object],[object Object],[object Object],[object Object]

Uses of Computer ,[object Object],[object Object],[object Object],[object Object]

Uses of Computer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Computers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Used for highly calculation-intensive tasks ,[object Object]

Mainframe Computer ,[object Object],Nearly all mainframes have the ability to run (or "host") multiple operating systems and thereby operate not as a single computer but as a number of virtual machines. In this role, a single mainframe can replace dozens or even hundreds of smaller servers, reducing management and administrative costs while providing greatly improved scalability and reliability.

Mainframe Computer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Minicomputer Minicomputer (colloquially, mini ) is a term for a class of multi-user computers which make up the middle range of the computing spectrum, in between the largest multi-user systems (traditionally, mainframe computers) and the smallest single-user systems (microcomputers or personal computers) Minicomputer is a multiprocessing system capable of supporting from 4 to about 200 users simultaneously.

Microcomputer ,[object Object],[object Object],[object Object]

Microcomputer Model ,[object Object],Briefcase

Microcomputer Model ,[object Object],Notebook Laptop Subnotebook Palmtop

COMPUTER SYSTEM KEYBOARD PROCESSOR MONITOR PRINTER Storage devices

Computer System ,[object Object],[object Object],[object Object],[object Object]

Input Devices ,[object Object],[object Object]

Processor Unit ,[object Object],[object Object],[object Object],[object Object]

Output Unit ,[object Object],[object Object]

Hardware ,Software & Peopleware ,[object Object],[object Object],[object Object],The software is the instructions that makes the computer work. Software is held either on your computers hard disk, CD-ROM, DVD or on a diskette (floppy disk) and is loaded (i.e. copied) from the disk into the computers RAM (Random Access Memory), as and when required. Peopleware means the programmers, students, teachers and other users and/or operators of the computers.

Four Operations of a Computer System ,[object Object],[object Object],[object Object]

Four Operations of a Computer System ,[object Object],[object Object]

A Basic Computer "System" ,[object Object]

Introduction to computers new 2010

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Introduction to computers new 2010