1. Computer Architecture and Assembly Language CS 233 Lecture 1
Eltayeb Abuelyaman
The University of Nizwa
Summer-2013

2. Abstraction Suppression of detail to show the essence of the matter.
An outline structure.
Division of responsibility through a chain of
Command.
Subdivision of a system into smaller
subsystems

3. Levels of Abstraction

4. Organization Chart for a Book Publishing Company

5. Homework
Draw a three level organizational chart for the University of Nizwa. You may use the Website for information or contact the appropriate university units.
Due Saturday the 17th of June 2013

6. Level Structure for a Typical Computer System

8. Activities of a Computer System

9. Components of a Computer System

10. Space and Time Representations

12. Path of Input Devices’ Data

13. Storage for a byte of data

15. Universal Product Coding Table

17. Path of Output Devices’ Data

18. Pixel Representation of data

19. Data Flow for a Complete Job

20. Exercise
Suppose a CPU is rated at 20 MIPS, what is the average length of time needed to execute one instruction?
Solve and submit by: 17/6/2013