1. intro to computers

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1. intro to computers

  1. 1. 1. Introduction to Computers M. Shakeel Anjum [msa.courses@gmail.com] Department of Business Management Sciences University of Agriculture, Faisalabad
  2. 2. Introduction to the Course <ul><li>Acquiring the basic knowledge of Computer system, Hardware Components and Software Packages </li></ul><ul><li>Using Windows Operating system </li></ul><ul><li>Using Microsoft Office </li></ul><ul><li>Using Internet in Daily Life </li></ul><ul><li>Perform basic Windows administration </li></ul><ul><li>Basic knowledge of Computer Networks </li></ul>
  3. 3. Evolution of Computing Devices <ul><li>1833, Design of Analytical Engine </li></ul><ul><li>1939, ABC (First Electronic Computer) </li></ul><ul><li>1943, Harward-Mark-1 (Based upon the design of Analytical Engine) </li></ul><ul><li>1946, ENIAC (For US Military, consisting of 19000 Vacuum Tubes, Dimensions 9’x200’) </li></ul><ul><li>1951, UNIVAC (First Commercial Computer) </li></ul><ul><li>1971, Intel-4004 (First Microprocessor as powerful as ENIAC, Computes 2000 instructions/second) </li></ul><ul><li>1981, IBM-PC shipped with MS-DOS </li></ul><ul><li>1984, Apple-MAC shipped with GUI </li></ul>
  4. 4. What is a Computer? <ul><li>[Norton] An Electronic Device that processes Data and converts it into Information that is useful for People </li></ul>
  5. 5. Parts of Computer System <ul><li>Hardware – Physical parts of the computer </li></ul><ul><li>Software – Instructions to the computer </li></ul><ul><li>Data – Raw facts the computer can manipulate </li></ul><ul><li>People – also known as users </li></ul>
  6. 6. Parts of Computer System
  7. 7. Computer Hardware <ul><li>Physical components of the computer </li></ul><ul><li>Any part of the computer you can touch </li></ul><ul><ul><li>Processor </li></ul></ul><ul><ul><li>Memory </li></ul></ul><ul><ul><li>Input and Output Devices </li></ul></ul><ul><ul><li>Storage Devices </li></ul></ul>
  8. 8. Computer Hardware Output Storage Input Processor Input and Output Memory
  9. 9. Computer Software <ul><li>Electronic Instructions to the computer. Also known as a ‘program’. </li></ul><ul><li>These Instructions are written in some language which computer can understand. E.g. </li></ul><ul><ul><li>Assembly Language </li></ul></ul><ul><ul><li>Java </li></ul></ul><ul><ul><li>C++ </li></ul></ul><ul><ul><li>Visual Basic </li></ul></ul><ul><ul><li>VB.Net, etc. </li></ul></ul>
  10. 10. Types of Computer Software <ul><li>System Software </li></ul><ul><li>Application Software </li></ul><ul><li>Both works together to produce useful output. </li></ul>
  11. 11. System Software <ul><li>Operating Systems </li></ul><ul><ul><li>MS DOS, Windows 9x, NT, Vista, 7 </li></ul></ul><ul><ul><li>IBM OS/2, OS 390/400 </li></ul></ul><ul><ul><li>Apple MAC </li></ul></ul><ul><ul><li>Linux / Unix </li></ul></ul><ul><ul><li>Google Chrome OS </li></ul></ul><ul><ul><li>MAC OS-X, Android, Symbian </li></ul></ul><ul><li>Disk Utilities </li></ul><ul><ul><li>Fdisk, PartitionMagic </li></ul></ul>Microsoft Windows Linux Apple Mac
  12. 12. Application Software <ul><li>ERP </li></ul><ul><li>MIS </li></ul><ul><li>CRM </li></ul><ul><li>Word Processing </li></ul><ul><li>Spreadsheets </li></ul><ul><li>Presentation </li></ul><ul><li>Databases </li></ul><ul><li>Graphics </li></ul><ul><li>Multimedia </li></ul><ul><li>Games </li></ul><ul><li>Anti Virus </li></ul><ul><li>Firewalls </li></ul><ul><li>Communications </li></ul><ul><li>Project Management </li></ul><ul><li>Mission Critical System </li></ul><ul><li>Decision Support System </li></ul><ul><li>Productivity Software </li></ul><ul><li>Entertainment Software </li></ul>
  13. 13. Productivity Software Packages <ul><li>Word Processing </li></ul><ul><li>Spreadsheets </li></ul><ul><li>Presentation </li></ul><ul><li>Databases </li></ul><ul><li>Desktop Publishers </li></ul><ul><li>Website Builder </li></ul><ul><li>Project Management </li></ul><ul><li>Emailing </li></ul><ul><li>Instant Messengers </li></ul>
  14. 14. Word Processing
  15. 15. Spreadsheets
  16. 16. Presentations
  17. 17. Databases
  18. 18. Desktop Publisher
  19. 19. Website Builder
  20. 20. Project Management
  21. 21. Emailing
  22. 22. Instant Messengers
  23. 23. Types of Computers <ul><li>Supercomputer </li></ul><ul><li>Mainframe Computer </li></ul><ul><li>Minicomputer </li></ul><ul><li>Microcomputer </li></ul>
  24. 24. Supercomputers Columbia Sequioa
  25. 25. Mainframe Computers IBM VAX II IBM 704
  26. 26. Minicomputers IBM MicroVax Shuttle XPC
  27. 27. Microcomputers
  28. 28. Microcomputers
  29. 29. Two Computer Giants Steve Jobs Bill Gates
  30. 30. Who Uses Computers? <ul><li>Military </li></ul><ul><li>Scientists </li></ul><ul><li>Doctors </li></ul><ul><li>Educators </li></ul><ul><li>Engineers </li></ul><ul><li>Architects </li></ul><ul><li>Businesses </li></ul><ul><li>Developers </li></ul><ul><li>Designers </li></ul><ul><li>Musicians </li></ul><ul><li>Filmmakers </li></ul><ul><li>Bankers </li></ul><ul><li>Stock Ex. </li></ul><ul><li>Stores/Malls </li></ul>
  31. 31. Computer Setup in Today’s Business Manager CEO Salesman Salesman Salesman Salesman Salesman Mainframe Internet
  32. 32. Computer Usage at Stock Exchange
  33. 33. A Militant’s Computer
  34. 34. A Robodoc at Cardiographic Surgery
  35. 35. CAD Applications for Architects
  36. 36. Computers in Software Development
  37. 37. <ul><li>List the four parts of a computer system. </li></ul><ul><li>Identify four kinds of computer hardware. </li></ul><ul><li>List the two major categories of software and exemplify each </li></ul><ul><li>List some of the productivity software packages </li></ul><ul><li>List the four most common types of computers available today </li></ul><ul><li>List some of the professions in which computers are routinely used and their effect on day-to-day work </li></ul>Lecture Review

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