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Input Devices

Input devices are hardware components that allow users to interact with computer systems by inputting data or commands. Various types of input devices include barcode scanners, digital cameras, keyboards, microphones, optical mice, and different types of touch screens, each serving specific functions across various applications. These devices enhance user interaction by enabling precise control, data retrieval, and multimedia capture.

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Aayan Ajmain
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74 views3 pages

Input Devices

Input devices are hardware components that allow users to interact with computer systems by inputting data or commands. Various types of input devices include barcode scanners, digital cameras, keyboards, microphones, optical mice, and different types of touch screens, each serving specific functions across various applications. These devices enhance user interaction by enabling precise control, data retrieval, and multimedia capture.

Uploaded by

Aayan Ajmain
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Input Devices

What is an Input Device?

 Input devices are hardware components that allow users to interact with a
computer system
 They enable the user to input data or commands into the system, which the
computer then processes to produce an output
Types of input devices

Device What It Does Where It Is Used Why It Is Used


 Supermarkets  Quickly and accurately
 Reads barcodes to capture
 Warehouses retrieves product details for
Barcode Scanner product information.
 Libraries stock and checkout

 Photography
 Captures photographs or
 Smartphones  High-quality visual content
Digital Camera videos as digital images
 Webcams

 Computers  Type documents


 Inputs text and commands by
 Tablets  Enter data
Keyboard pressing keys
 Laptops  Control software

 Recording studios
 Captures analogue sound and  Audio recording
 Smartphones
Microphone converts it into digital signals  Voice communication
 Computers

 Moves the cursor on the


 Computers  Precise control and navigation
screen based on hand
Optical Mouse  Laptops on a computer screen
movements over a surface

 Quickly retrieves data from QR


 Reads QR codes to access  Retail shops codes
QR Code Scanner stored information  Mobile apps  Website links or product
information

 ATMs
 Detects touch by pressing a  Direct interaction with the
Touch Screen  Older smartphones
flexible screen layer device
(Resistive) and tablets

 Detects touch by interrupting  Kiosks  Accurate touch detection


Touch Screen infrared light beams across  Large touch  Works well in various lighting
(Infra-red) the screen displays conditions

 Modern
 Detects touch through  Smooth, responsive touch
smartphones
Touch Screen changes in electrical charge experience with multi-touch
 Tablets
(Capacitive) on the screen surface capabilities
 Touch monitors

 Offices  Digitises documents and


 Captures flat, 2D images of
Two-Dimensional  Libraries photos for storage, editing, or
documents or photos
(2D) Scanner  Schools sharing

 Manufacturing  Creates digital models of


Three-  Captures detailed 3D shapes
 Design objects for design, analysis, or
Dimensional (3D) and dimensions of objects
 Medical imaging reproduction
Scanner

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