Write a short note on input and output devices with examples

Moves the cursor faster than the arrow keys of the keyboard. Joystick Joystick is also a pointing device, which is used to move the cursor position on a monitor screen.

Write a short note on input and output devices with examples

January 5, InformationQ. That can be used with the computer. After processing the raw facts called datait produces useful information for the user. But how do you give data and instructions to the computer and how it can return the useful information to you. To do all these, different types of input and output devices can be connected with the computer.

Input Devices The devices which are used to give data and instructions to the computer are called Input Devices. Various types of input devices can be used with the computer depending upon the type of data you want to enter in the computer, e.

Think and Answer Which of your sense organs work like input devices? Keyboard It is the most commonly used input device. It is used to enter data and instructions directly into the computer. There are buttons on the keyboard which are called keys.

The keyboard was invented years ago by Christopher L. Mouse Mouse is another input device which is commonly found connected with the computers.

write a short note on input and output devices with examples

It is basically a pointing device which works on the principle of Point and Click. When the mouse is moved on the mouse pad, a light beam underneath reflect to give motion to the pointer on the screen.

The mouse is used in windows based programs, where the user can run the commands by pointing the objects with the help of pointer and clicking the buttons on the mouse. We also use mouse for drawing in paint and kid pix. Most of the latest mouses, these days, include a wheel in the middle of two buttons that help us to scroll through documents more easily.

Optical mouse uses red light to track the movement of mouse for moving the pointer on the computer screen.

This type of mouse is more accurate and reliable than the traditional mouse. Nowadays cordless mouse is very popular. Just like mouse, these are also pointing devices. Mostly they are used for playing games on the computer.

The joystick has a vertical stick with a track ball at its bottom. While playing the games on the computer, the user needs to move the objects quickly on the screen.

With the movement of this vertical stick the objects can be moved in all the directions easily.

A game-pad is a type of game controller held in two hands, where the fingers especially thumbs are used to provide input by pressing buttons on it.

It is also known as Control Pad. Think and Answer Have you seen joystick in any other machine? Light Pen Light pen is another pointing type input device. It is a pen shaped device which can be used by directly pointing the objects on the screen.

It can also be used for making drawings directly on the monitor screen. Scanner We can store pictures, photographs, diagrams into the computer with the help of scanner.

The scanner reads the image and saves it in the computer as a file. Touchscreen Touchscreen is a special computer screen that takes the input by sensing the touch of a human finger, gloved hand, stylus, pen or any other pointing device. The user gives instructions to the computer just by touching the screen.

Microphone This is an input device which is used to record sound or voice into the computer system. You can store voice data in the computer by speaking in front of this device.

Trackball A trackball is similar to a mouse but is mounted in a fixed position. The user spins the ball with fingers to move the pointer on the screen. A Trackball technology was used in earlier laptop computer which is now replaced with track-pad. Think and Answer Name any two input devices you commonly use while working on computer.

Output Devices The devices which are used to display the results or information are called Output Devices.In computing, a computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic grupobittia.coming the decline of punch cards and paper tape, interaction via teleprinter-style keyboards became the main input method for computers..

Keyboard keys (buttons) typically have characters engraved or printed on them, and each press. Output Devices: (How it shows you what it is doing) Output devices translate the computer's output into the form understandable by users.

Monitors: Monitors, commonly called as Visual Display Unit (VDU) are the main output device of a computer. Input devices, such as a mouse and (input), and you can use it to write data to a CD (output).

Peripheral devices can be external or internal. For example, a printer is an external device that. So, examples of input and output devices.

write a short note on input and output devices with examples

Well, input device could be anything from a keyboard, text file, network connection - anything where you will be taking input from. Output can be your screen, a printer, file, again anything where output can be sent to.

To be more specific then you really need to . Input and Output Devices: Links to topics on this page: Before a computer can process your data, you need some method to input the data into the machine. The device you use will depend on what form this data takes (be it text, sound, artwork, etc.).

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.

Keyboards are of two sizes 84 keys or /

Explain Different Types Of Output Devices ~ Perfect Computer Notes