A Critique of the Proposed National Education Policy Reform
input devices
1. SCHOOL OF AGRI-BUSINESS MANAGEMENT
“Nurturing Young Agri-Business Professionals for Evergreen Growth”
Sher-e-Kashmir University of Agricultural
Sciences and Technology of Jammu
3. Input devices are essential in order to use a
computer. These devices allow users to interact
with the applications that the computer
displays. Without input devices, the computer
would be nothing more than a screen that
displays something random and of little use.
There are many types of input devices that
allow us to interact in different ways.
5. Keyboard is input device used for
entering data into computer by pressing
one key at one time.
It can also be used to navigate user
interface in lieu of a mouse
6. A mouse is a hand movable device that control the position of
cursor on the screen.
A mouse also contain buttons that allow user to select
objects, move windows or open applications.
7. Trackball is a pointing device that
use a ball to position a cursor and
work like a upside down mouse.
8. A touch screen enable a
user to choose from
available option by simply
touching the desired
screen.
9. Scanner Like a photocopier it scans a
full page with laser light but instead
of printing copies, it transmits the
image to the computer as digital
code, which can be saved as a file. In
effect, it performs the exact opposite
function to a printer by converting a
printed page into a computer file.
10. This is a small video camera that takes video and inputs it into
the computer. these allow you to record and send small videos
or have a video chat with someone over the internet.
11. This is a device used to input data and
sound. You hold the microphone up to a
source, most likely a person’s mouth and
it registers the sounds and input them
into audio recording applications.
