•COMPUTER HAS BECOME A PART OF OUR LIFE. TODAY ALONG WITH THE CALCULATIONS, THEIR WORK AREA IS VERY WIDE SUPER-MARKET SCANENERS SCAN AND CALCULATE OUR GROCERY BILL AND ALSO KEEP STORE INVENTORY,AUTOMATIC TELLER MACHINE HELP US IN BANKING TRANSACTION.

WHAT IS COMPUTER?•“A Computer is an electronic machine that can solve different problems, process data, store & retrieve data and perform calculations faster and efficiently than humans”.

TYPES OF COMPUTER BY PURPOSE

•Most computers in use today are General-Purpose computers

• General purpose computers are designed to perform a wide variety of functions and operations.

•1.Computers are accurate

• Computers can perform operations and process data faster but with accurate results and no errors. Results can be wrong only if incorrect data is fed to the computer or a bug may be the cause of an error.

•Storing Data

• Storage capacity is another big characteristic of a computer. A computer can store large amount of data. This data can be used at any time and also from any location. The storage capacity of a computer is measured in Mega Byte, Gega Byte, Tera Byte.

•Computers are versatile

•Computer is a versatile machine. They are used in various fields. They are used in Schools & Colleges, at hospitals, at government organizations and at home for entertainment & work purposes.

•They can communicate

• Computers have the ability to communicate, but of course there needs some sort of connection (either Wired or Wireless connection). Two computers can be connected to send & receive data. Special soft wares are used for text and video chat. Friends & family can connect over the internet and share files, photos & videos online.

•We can do multitasking

•Multitasking is also a computer characteristic. Computers can perform several tasks at a time. For example you can listen to songs, download movies, and prepare word documents all at the same time.

•No Intelligence

• Computers don’t have any intelligence of their own. They follow a set of instructions fed into them by manufacturer. The user knows what to do and when to perform a specific task.

ADVANTAGE

• It has changed the way of life.

• The use of computer technology has affected every field of life.

• People are using computers to perform different tasks quickly and easily. The use of computers makes different task easier.

• It also saves time and effort and reduces the overall cost to complete a particular task.

DISADVANTAGE

•Unemployment

•Wastage of time and energy

•Data Security

•Computer Crimes

•Privacy violation

•Health risks

• Impact on Environment

PRESENTED BY:

REMA A. DEL ROSARIO

STUDENT OF (GAS)-GENERAL

ACADEMIC STRAND,

FROM LNHS