Input output hardware

10,565 views

Published on

Published in: Education
0 Comments
5 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
10,565
On SlideShare
0
From Embeds
0
Number of Embeds
6
Actions
Shares
0
Downloads
314
Comments
0
Likes
5
Embeds 0
No embeds

No notes for slide

Input output hardware

  1. 1. Input and Output Hardware Chapter No.6
  2. 2. Group Members <ul><li>Mr. Nafees Ahmed Khan </li></ul><ul><li>Mr. Yasir Munawar </li></ul>
  3. 3. Hardware <ul><li>The bodily object of a Technology </li></ul><ul><li>The Physical Components of a Computer </li></ul><ul><li>Some are connected by software while the others are plug-n-play </li></ul><ul><li>It include: </li></ul><ul><ul><ul><ul><li>Input Devices </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Output Devices </li></ul></ul></ul></ul>
  4. 4. Linking People and Hardware <ul><li>People enter data through Input Hardware and then receive results of processing through Output Hardware. </li></ul>
  5. 5. Input Devices <ul><li>Devices use to enter data in computer </li></ul><ul><li>It includes devices : </li></ul><ul><ul><ul><ul><li>Keyboard </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Pointing Devices </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Scanners </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Microphone </li></ul></ul></ul></ul>
  6. 6. Keyboard <ul><li>Every Computer contains Keyboard </li></ul><ul><li>Looks like a typewriter </li></ul><ul><li>Most widely used </li></ul><ul><li>Inputs letters, numbers and other symbols </li></ul>
  7. 7. Pointing Devices <ul><li>The motion of movement of pointing devices is converted to similar movement on a monitor </li></ul><ul><li>It includes : </li></ul><ul><ul><ul><ul><li>Mouse </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Track ball </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Joystick </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Light Pen </li></ul></ul></ul></ul>
  8. 8. Scanners <ul><li>Scanners allow input of printed data </li></ul><ul><li>Reads text, photographs and graphics </li></ul><ul><li>Process of Scanning: </li></ul><ul><ul><ul><ul><li>It converts data into light and dark picture element or pixels </li></ul></ul></ul></ul><ul><li>Types of Scanners </li></ul><ul><ul><ul><ul><li>Flatbed Scanner </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Handheld Scanner </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Color Scanner </li></ul></ul></ul></ul>
  9. 9. Other Input Devices Touch Sensitive Screen Digital Camera Sensors Credit Card Readers
  10. 10. Output Devices <ul><li>Devices that gives out result of the entered data </li></ul><ul><li>Three Categories: </li></ul><ul><ul><ul><ul><li>Permanent Output </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Temporary Output </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Action Output </li></ul></ul></ul></ul>
  11. 11. Permanent Output Devices <ul><li>Computer processed information in the form of printed documents, drawings and microfilms </li></ul><ul><li>It includes: </li></ul><ul><ul><ul><li>Printers: </li></ul></ul></ul><ul><ul><ul><li>Plotters </li></ul></ul></ul>
  12. 12. Printers <ul><li>It gives hard copy to the organization for routine business correspondence , billing and accounting information </li></ul><ul><li>For example : Architects use to compute budget </li></ul><ul><li>Types of Printers: </li></ul><ul><ul><li>Impact Printers </li></ul></ul><ul><ul><ul><ul><li>DeskJet </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Dot matrix </li></ul></ul></ul></ul><ul><ul><li>Non Impact Printers </li></ul></ul><ul><ul><ul><ul><li>Laser Printer </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Electrostatic Printer </li></ul></ul></ul></ul>
  13. 13. Plotters <ul><li>It gives output in the form of graphs, maps, charts and drawings </li></ul><ul><li>For example: Artist uses plotters for the different sketches </li></ul><ul><li>Types of Plotters: </li></ul><ul><ul><ul><li>Flatbed Plotters </li></ul></ul></ul><ul><ul><ul><li>Drum Plotters </li></ul></ul></ul>
  14. 14. Temporary Output Devices <ul><li>Video displays and audio responses </li></ul><ul><li>Also provide output for immediate temporary use </li></ul><ul><li>Includes: </li></ul><ul><ul><li>Video Display Output </li></ul></ul><ul><ul><ul><ul><li>CRT (Cathode Ray Tube) Monitor </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Flat screen </li></ul></ul></ul></ul><ul><ul><li>Speech synthesizer </li></ul></ul>
  15. 15. Action Output Devices <ul><li>Consist of processing data to initiate some form of movement or process to control activity </li></ul><ul><li>Types of Action Output: </li></ul><ul><ul><ul><li>Computer Numerical Control (CNC) Machine </li></ul></ul></ul><ul><ul><ul><li>Computer Aided Machine (CAM) </li></ul></ul></ul><ul><ul><ul><li>Robotics </li></ul></ul></ul>

×