INPUT OUTPUT DEVICE

1. INPUT & OUTPUT DEVICE
Name: Taksh Gupta
Class: IV-B
SCHOLARS PRIDE SCHOOL

2. INPUT DEVICE
 An input device is any hardware device that sends
data to a computer, allowing you to interact with
and control it. The picture shows
a Logitech trackball mouse, which is an example of
an input device.
 The most commonly used or primary input devices
on a computer are the keyboard and mouse.
However, there are other devices that input data
into a computer.

3. TYPES OF INPUT DEVICEC:-
1. Keyboard is the most common and very popular input device which helps to
input data to the computer. The layout of the keyboard is like that of
traditional typewriter, although there are some additional keys provided for
performing additional functions.
2. Mouse is the most popular pointing device. It is a very famous cursor-control
device having a small palm size box with a round ball at its base, which
senses the movement of the mouse and sends corresponding signals to the
CPU when the mouse buttons are pressed.
3. Joystick is also a pointing device, which is used to move the cursor position
on a monitor screen. It is a stick having a spherical ball at its both lower and
upper ends. The lower spherical ball moves in a socket. The joystick can be
moved in all four directions.
4. Light pen is a pointing device similar to a pen. It is used to select a displayed
menu item or draw pictures on the monitor screen. It consists of a photocell
and an optical system placed in a small tube.
5. Track ball is an input device that is mostly used in notebook or laptop
computer, instead of a mouse. This is a ball which is half inserted and by
moving fingers on the ball, the pointer can be moved.
6. Scanner is an input device, which works more like a photocopy machine. It
is used when some information is available on paper and it is to be
transferred to the hard disk of the computer for further manipulation.

4. OUTPUT DEVICE
An output device is any piece of computer
hardware equipment which converts
information into a human-perceptible form or,
historically, into a physical machine-readable
form for use with other non-computerized
equipment. It can be text, graphics, tactile, audio,
or video.

5. TYPES OF OUTPUT DEVICES:-
1. Monitor: A computer’s principal output device is a monitor, often known as a Visual
Display Unit (VDU). It displays the processed data like text, images, videos, audios,
etc. It makes images by arranging microscopic dots in a rectangular pattern, known
as pixels. The sharpness of an image is determined by the number of pixels.
2. Printer: Printers are information output devices that allow you to print data on
paper. Or in other words, it is an output device that creates a hard copy of the
processed data or information.
3. Plotter : A plotter is a device that prints high-quality graphics in a variety of color
formats. It works in a similar way to a printer, although it has more advanced
features. It is used to print large maps, architectural drawings, large-format printing,
and create pictures, 3D postcards, advertising signs, charts, and various designs of
the internal structure of building machines, as well as create pictures, 3D postcards,
advertising signs, charts, and various designs of the internal structure of building
machines.
4. Projector : A projector is a device that allows users to project their output onto a
large area, such as a screen or a wall. It can be used to project the output of a
computer and other devices onto a screen. It magnifies texts, photos, and movies
using light and lenses. As a result, it’s an excellent output device for giving
presentations or teaching big groups of people.
5. peakers: Speakers are connected to computers to allow sound to be output. For the
working of speakers, sound cards are required. From simple two-speaker output
devices to surround-sound multi-channel sets, speakers come in a variety of shapes
and sizes. They take audio input from the computer’s sound card and output sound
waves as audio output.
6. Headphones: To hear the sound, use earbuds with your PC, laptop, or smartphone.
It enables you to hear the sound without causing any inconvenience to others. To
translate electronic signals into sounds without causing inconvenience to others.
They can be wired or wireless and can be connected to computers, laptops, mobile
phones, etc. They are connected with the devices via Bluetooth.