Question

explain any 3 input devices​

Answer 1

Answer:

Pen drive

DVD

CD

Memory card

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Answer 2

1. Keyboards

This is the main input device for desktop and laptop systems.

It has keys for:

• text entry

• entering numbers

• carrying out special functions such as printing the screen display.

Keyboard

2. Mouse and Trackball

A mouse is the other standard input device supplied with desktop computers. It is a pointing device that allows the user to move a pointer or cursor across a monitor screen. The mouse is a very important input device. It helps you to do many things, such as:

controlling the cursor or pointer

opening up menus

selecting items from menus by clicking the mouse button

opening up software by clicking the mouse button

dragging icons to move them into folders, to save files..

3. Track Pads

track pad

Track pads are found on laptops. The track pad does the job of the mouse and

lets you:

control the cursor by ragging our finger across the pad

select items from menus or open up files by tapping on the pad.