INPUT DEVICES

LEARNING OUTCOMES

At the end of this class, students are

able to

Describe definition of input devices clearly

List out the examples of input devices

Describe each example of input devices

OUTLINE

Definition

Types of input devices

Description of each devices

DEFINITION OF INPUT DEVICE

Any hardware devices that sends data

to the computer

Without any input devices, a computer

would only be a display device and not

allow users to interact with it

INPUT DEVICES

Devices

KeyboardMouse

Pendrive

Webcam

Scanner Joystic

k

KEYBOARD

Characteristics

have alphabetical, numerical, and functional

keys

Functions

help the user to type in commands for

computer operations

translates numbers, letters, symbols and

control keys into signals that can be

interpreted by the PC

MOUSE

Characteristics

use a ball, light, or a laser to track

movement

Functions

to control the pointer on the screen ( called

a cursor ) for selecting matter and clicking

on icons on the interface

JOYSTICK

Characteristics

they consisted of a single movable stick

and a button or two

primarily used for computer gaming

Functions

allowing you to control a game character's

movements such as moving front, behind

and sideways, shooting, or other gaming

task

WEBCAM

Characteristics

referred to web camera

a small camera mounted on a desktop or built

in a laptop

Functions

provide visual data to the computer in the form

of images and video

can even be used to record a home video and

post it on the web

SCANNER Characteristics

a device that uses light to read an image or text and

turn it into a digital message

Functions

Image scanners do the job of making a soft copy

image of printed materials, pictures, or even objects

this media can then be used to store, change and

send the image or text

very useful in transferring documents from one office

to the other in just no time

PENDRIVE

Characteristic

solid state nature

ease of mobility

Function

act as permanent storage drives that

interface with the computer through a USB

or Firewire port

store information

CONCLUSION

Input device is one of the component of

hardware

There are a few types of input devices

such as keyboards, mouse and webcam

Each types of these devices have their

own characteristics and functions.