Historical evaluation of computer
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  • 1. Welcome to Presentation
  • 2. Historical Evaluation of Computer
  • 3. Functions of Computer Characteristics and Limitations Of Computer Generations Of Computer Classification Of Computer Computer System and Technology Software Operating System Computer Language
  • 4. Computer “The computer was born to solve problems that did not exist before.”
  • 5. Functions Of Computer Accept Data Process Data Output Data
  • 6. Characteristics Of Computer Faster Accurate Various Performance Diligence Reliability Vast Memory
  • 7. Limitations Of Computer Costly Dependent Need of an expert programmer Non Standardization Artificial
  • 8. Various Generations of Computer First generation computer(1951-1959): Use of vacuum tubes Second generation computer(1959-1965): Use of transistors Third generation computer(1965-1971): Use of IC Forth Generation computer(1971-Current year): Use of large scale of Integration Fifth Generation computer(future Generation): Use of ULSI
  • 9. Digital Computer Classification of Computers Micro computer Mini computer Mainframe Computer Super computer
  • 10. Relationship Between System and Technology Technology: Composed of hardware, software, data and telecommunication System: Group of interrelated components Input Processing Output Feed back: Data about the performance of a system Control: Monitoring and evaluating feedback
  • 11. Components of Computer system Hardware Software User Data
  • 12. Major Types of Software
  • 13. Operating System An integrated set of programs that acts as a basic platform for the hardware applications programs to run.
  • 14. Functions of operating system
  • 15. Classification of Operating System : Batch/Off line Mode Operating System Multiprocessing Operating System
  • 16. Multitasking Operating System Time sharing operating system
  • 17. Distributed operating system
  • 18. Real time Operating System Virtual storage operating system
  • 19. Computer Language Language Low level Language 1. Machine language 2. Assemble language High level language
  • 20. Low Level Language Easily Understandable for Computer Execute Fast Machine Dependent Inefficient in error finding Hard for logic development Machine language: Directly executed without any translation. Instruction written in what can understand by processor. Assemble language: Instructions are written in codes and symbolic address.
  • 21. High Level Language Human understand easily Slow in execution Slow in execution Easy in error finding Easy in developing logic
  • 22. Thank You