input devices

SCHOOL OF AGRI-BUSINESS MANAGEMENT“Nurturing Young Agri-Business Professionals for Evergreen Growth”

Sher-e-Kashmir University of Agricultural Sciences and Technology

of Jammu

Topic for presentation: INPUT DEVICES

COURSE TITLE: COMPUTERS FOR MANAGERS

COURSE NO : ABM 518

COURSE INSTRUCTOR: Ms. POOJA GANDOTRA

Prepared By:Ankita

Choudhary

INPUT DEVICES

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.

Various input devices

Keyboard Mouse Trackball Touch Screen Joystick Scanner Webcam Microphone Barcode reader

KeyboardKeyboard 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

MouseA 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.

Trackball

Trackball is a pointing device that use a ball to position a cursor and work like a upside down mouse.

TouchScreenA touch screen enable a user to choose from available option by simply touching the desired screen.

Scanner

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.

WebcamThis 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.

MicrophoneThis 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.

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