input devices
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SCHOOL OF AGRI-BUSINESS MANAGEMENT“Nurturing Young Agri-Business Professionals for Evergreen Growth”
Sher-e-Kashmir University of Agricultural Sciences and Technology
of Jammu
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Topic for presentation: INPUT DEVICES
COURSE TITLE: COMPUTERS FOR MANAGERS
COURSE NO : ABM 518
COURSE INSTRUCTOR: Ms. POOJA GANDOTRA
Prepared By:Ankita
Choudhary
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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.
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Various input devices
Keyboard Mouse Trackball Touch Screen Joystick Scanner Webcam Microphone Barcode reader
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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
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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.
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Trackball
Trackball is a pointing device that use a ball to position a cursor and work like a upside down mouse.
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TouchScreenA touch screen enable a user to choose from available option by simply touching the desired screen.
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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.
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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.
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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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QUESTIONS?
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THANK YOU