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Chapter 1 Section 1.1
By: Mariam Habib Computers.....
[object Object],What are computers????
[object Object],How does a  computer  process data???
Block diagram of a  computer PROCESSOR INPUT OUTPUT STORAGE
[object Object],Data processing machines
An example of processing NAME  AGE MIKE  12 PETER  13 AHMAD  11 JANE  13 JEAN  12 PETER  12 AVERAGE AGE: 12.1 YEARS PROCESSOR 12+13+11+13+12+12 = 73 73/6 = 12.1 SUPPOSE YOU HAVE A LIST OF AGES OF YOUR CLASSMATES AND YOU WANT TO FIND THEIR AVERAGE AGE. THE INPUT DATA WILL BE THE LIST OF AGES. THE COMPUTER WILLADD ALL THE AGES UP, THEN IT WILL DIVIDE THE SUM BY THE NUMBER OF STUDENTS. THE AVERAGE AGE IS THE OUTPUT CALCULATED BY THE COMPUTER.
[object Object],What can computers do???
Did you know????????? ,[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Review
Thank you  for your attention.

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Chapter 1

  • 2. By: Mariam Habib Computers.....
  • 3.
  • 4.
  • 5. Block diagram of a computer PROCESSOR INPUT OUTPUT STORAGE
  • 6.
  • 7. An example of processing NAME AGE MIKE 12 PETER 13 AHMAD 11 JANE 13 JEAN 12 PETER 12 AVERAGE AGE: 12.1 YEARS PROCESSOR 12+13+11+13+12+12 = 73 73/6 = 12.1 SUPPOSE YOU HAVE A LIST OF AGES OF YOUR CLASSMATES AND YOU WANT TO FIND THEIR AVERAGE AGE. THE INPUT DATA WILL BE THE LIST OF AGES. THE COMPUTER WILLADD ALL THE AGES UP, THEN IT WILL DIVIDE THE SUM BY THE NUMBER OF STUDENTS. THE AVERAGE AGE IS THE OUTPUT CALCULATED BY THE COMPUTER.
  • 8.
  • 9.
  • 10.
  • 11. Thank you for your attention.