Input And Output devices of computer

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1. INPUT AND OUTPUT DEVICES COMPUTER P.P.T

2. CONTENTS INTRODUCTION TYPES OF INPUT DEVICES TYPES OF OUTPUT DEVICES USES OF INPUT DEVICES USES OF OUTPUT DEVICES

3. INTRODUCTION VARIOUS DEVICES USED TO ENTER INFORMATIONS AND INSTRUCTIONS INTO A COMPUTER FOR STORAGE OR PROCESSING AND DELIVER THE PROCESSED DATA TO A HUMAN OPERATOR OR , IN SOME CASES A MACHINE CONTROLLED BY THE COMPUTER .

4. TYPES OF INPUT DEVICES KEYBOARD MOUSE SCANNER

5. TYPES OF OUTPUT DEVICES INKJET PRINTER LASER PRINTER SPEAKER

6. USES OF INPUT DEVICES KEYBOARD - IT IS AN INPUT DEVICE BY WHICH WE CAN EASILY TRANSFER DATA INTO THE COMPUTER . MOUSE – IT IS A HAND-HELD INPUT DEVICE . A MOUSE CONSISTS OF TWO OR THREE BUTTONS SCANNER – SCANNER CREATES AN ELECTRONIC COPY OF A PHOTOGRAPH . PROCESS OF CREATING A PICTURE – FILE FROM A PHOTOGRAPH IS CALLED AS SCANNING .

7. USES OF OUTPUT DEVICES INKJET PRINTER- PRINTER IS USED FOR DRAWING PRINTOUTS . PRICE OF INKJET PRINTERS IS MODERATE BUT OPERATING COST IS HIGH ; AND THE QUALITY OF PICTURES IS GOOD . LASER PRINTER- IT IS ALSO USED FOR DRAWING PRINTOUTS . THIS PRINTERS COME WITH VERY IMPRESSIVE PRICE TAG , BUT OPERATING COST IS LEAST . SPEAKER- IT IS AN COMPUTER PERIPHERAL WHICH GIVES AUDIO OUTPUT .