Used to control motors, pumps, switches, buzzers and so on
Actuators
I create the digital image of a hardcopy
Scanner
Used to produce a very large drawing on plastic sheeting
Plotter
used in ATM machines and POS
Numeric Keypads
Pointing device similar to mouse designed for people with limited hand/wrist movement
Trackerball
Used in video/computer games
Joystick or driving wheel
Its an input device as well as an output device
Touch screen
Used to input speech/sounds to be used in various applications
Microphone
Used to select objects on CRT screens and drawing on screen
Light pen
It uses radio waves to read and capture information stored on a tag.
RFID readers
Used to read questionnaires , multiple-choice examination papers,voting papers etc
OMR (Optical Mark Recognition/reader)
Used for processing passports and identity cards.
OCR(Optical character recognition/reader)
Used in supermarkets and other shops where the goods are marked with a barcode.
Barcode Reader
It consists of a block of small squares (light & dark) known as pixels. Used in advertising.
QR code
Type of monitor which is heavy and consume more power
CRT Monitors
Less noise printers which produce high quality, high volume printing.
Laser printers
Output device used for producing
- architectural drawings
-engineering drawings
Plotters
Printer used for making parts of items no longer in production
3D printer
Used to play sounds
Speaker
Optical storage media with very large storage capacity
Blu-ray disc
This device stores the BIOS information
ROM
Non-volatile memory
ROM
Read write memory
RAM
Used for storing photos on digital camera.
Used in mobile phones
Used in MP3 players to store music files
Memory cards
Portable computer with high definition , anti-glare displays, front and back facing cameras, lower weight and longer battery life.
Smart phones / Tablets