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Introduction to information sytem

Explore various input hardware devices and their functions in computer systems, including keyboards, pointing devices, scanning devices, and smart cards. Understand how data is inputted and processed in a computer. Learn about specialized input tools and biometric authentication.

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Introduction to information sytem

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  1. Introduction to information sytem Unit 5: Input

  2. Unit outline • Concept you should know • Understand input hardware • All input devices

  3. What is input of computer?

  4. Input hardware • Input hardware consists of devices that take data and programs that people can read and comprehend and convert them to a form the computer can process.

  5. Keyboard input • The basic input tools that got push button or keys Computer keyboards – the typewriter keyboards

  6. Keyboard input Terminal – device that consists of keyboard, a video display screen, and a communication line

  7. Keyboard input Touch-tone device – or push button to send the request of product

  8. Keyboard input • Set top box – satellite box, cable box

  9. Pointing devices • The act of pointing is incorporated in several kinds of input devices. The most prominents ones are the following: • Mouse • Touch screen • Light pen • Pen computer

  10. Pointing devices • Mouse – a device that is rolled about on a desktop and directs a pointer on the computer’s display screen.

  11. Pointing devices • Touch screen – a video display screen that has been sensitized to receive input from the touch of a finger.

  12. Pointing devices • Light pen – a light sensitive stylus, the user brings the pen to a desire point on the display screen and process.

  13. Pointing devices • Pen computer – allow people to enter handwriting and marks on the screen

  14. Hand exercise

  15. Scanning devices • Scanning devices translate images of text, drawing, photos, and the like into digital form • Bar code reader • Fax machine • Imaging system

  16. Scanning devices • Bar code reader – the vertical zebra-striped marks you see on most manufacturerd retail product.

  17. Scanning devices • Fax machine – scan it and sends it as electronic signals over telephone lines to a receiving fax machine.

  18. Scanning devices • Imaging system – or image scanner or graphic scanner which converts text, drawing, and photographs into digital form.

  19. Magnetic-stripe, smart card, smart pay • Card or input system that contain chip set or electric payment chip

  20. Magnetic-stripe, smart card, smart pay • Magnetic-stripe cards – like atm or credit card that contain magnetic for swipe.

  21. Magnetic-stripe, smart card, smart pay • Smart card – looks like a credit card but contains a microprocessor and memory chip.

  22. Magnetic-stripe, smart card, smart pay • Smart payment – a card or input device that can use for payment method

  23. Other input devices • Other input devices on specific purpose

  24. Other input devices • Biometric - refers to metrics related to human characteristics. Biometrics authentication (or realistic authentication)is used in computer science as a form of identification and access control.

  25. Discussion activity • Keyboard keys tips • Find and learn tips of keyboard and present back

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