Comp 107chp 1

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Comp 107chp 1

  1. 1. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours COMP 107 FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING By D.Balaganesh
  2. 2. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Overview Of Computer Data Process Hardware Using Software D.Balaganesh LINCOLN UNIVERSITY COLLGE Given Result 2
  3. 3. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Definition of Computer • A computer is an electronic device. • It can accept data (input), manipulate (process), and produce information(output). D.Balaganesh LINCOLN UNIVERSITY COLLGE 3
  4. 4. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours General Operations • Computers can perform four general operations, which comprise the information processing cycle: 1. Input. 2. Process. 3. Output. 4. Storage. D.Balaganesh LINCOLN UNIVERSITY COLLGE 4
  5. 5. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Data and Information • All computer processing requires data, • Data is a collection of raw facts, figures and symbols, such as numbers, words, images, video and sound, given to the computer during the input phase. • Computers manipulate data to create information. D.Balaganesh LINCOLN UNIVERSITY COLLGE 5
  6. 6. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Cont. • Information is data that is organized, meaningful, and useful. • During the output phase, the information that has been created is put into some form, such as a printed report. D.Balaganesh LINCOLN UNIVERSITY COLLGE 6
  7. 7. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Computer Characteristics • • • • • High speed. Accuracy. Reliability. Mass storage of information. Communication with other computers through network like internet. D.Balaganesh LINCOLN UNIVERSITY COLLGE 7
  8. 8. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours COMPONENTS OF A COMPUTER D.Balaganesh LINCOLN UNIVERSITY COLLGE 8
  9. 9. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Primary Components of a computer • • • • • Input devices. Central Processing Unit. Memory. Output devices. Storage devices. D.Balaganesh LINCOLN UNIVERSITY COLLGE 9
  10. 10. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Input devices • • • • • Mouse. Keyboard. Touch pad. Pointing stick. Scanner. D.Balaganesh LINCOLN UNIVERSITY COLLGE 10
  11. 11. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours CPU (Central Processing Unit ) • Interprets instructions to the computer, performs the logical and arithmetic processing operations, and cause the input and output operations to occur. • Performs all the calculations within the computer. • CPU speed measured in MHz. D.Balaganesh LINCOLN UNIVERSITY COLLGE 11
  12. 12. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Memory: • RAM: Random Access Memory. Temporary memory. Electronic components that store data including numbers, letters, graphics and sound. Information stored is lost when the computer is turned off. D.Balaganesh LINCOLN UNIVERSITY COLLGE 12
  13. 13. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Memory • ROM: Read Only Memory. Permanent memory. Chip that has start-up directions for your computer. D.Balaganesh LINCOLN UNIVERSITY COLLGE 13
  14. 14. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Unit of Information • Bytes One character takes up about one Byte. One byte is equal to eight bits. Bits means binary digit. D.Balaganesh LINCOLN UNIVERSITY COLLGE 14
  15. 15. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Cont. 1 Bit = 0 or 1 8 Bits = 1 Bytes 1024 Bytes = 1 KB 1024 KB = 1 MB 1024 MB = 1 GB 1024 GB = 1 TB D.Balaganesh LINCOLN UNIVERSITY COLLGE 15
  16. 16. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Output Devices • Computer screen. • Printer. • Speaker. D.Balaganesh LINCOLN UNIVERSITY COLLGE 16
  17. 17. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Storage Devices • • • • • Floppy Disks Compact Disks (CD) Hard Disk Digital versatile Disk (DVD) Flash Disk D.Balaganesh LINCOLN UNIVERSITY COLLGE 17
  18. 18. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Comparing Types of Memory Storage Devices • Sometimes storage is a trade off between speed, capacity, price and reliability. D.Balaganesh LINCOLN UNIVERSITY COLLGE 18
  19. 19. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Hardware and Software • Hardware: The term hardware refers to the physical components of you computer such as the computer screen, mouse, keyboard etc… • Software: Computer software is the key to productive use of computers. D.Balaganesh LINCOLN UNIVERSITY COLLGE 19
  20. 20. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Types of Software D.Balaganesh LINCOLN UNIVERSITY COLLGE 20
  21. 21. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Software • The computer hardware on its own has no intelligence and therefore must be supplied with instructions to perform any task. • Software or programs, consist of step-by-step instructions that tell the computer how to perform a task. • Software is divided into two main categories: – system software and – application software. D.Balaganesh LINCOLN UNIVERSITY COLLGE 21
  22. 22. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Types of Software •Operating System Software. •Application Software. D.Balaganesh LINCOLN UNIVERSITY COLLGE 22
  23. 23. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Operating System Software • It is a program that controls the computer and enables it to run application software. • It allows the computer to manage its internal resources. • The software runs the basic computer operations – it tells the hardware what to do, how to do it, and when UNIVERSITY COLLGE D.Balaganesh LINCOLN 23
  24. 24. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Operating System Software • Examples of Operating system software:  Windows XP  Windows Vista D.Balaganesh LINCOLN UNIVERSITY COLLGE 24
  25. 25. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Application Software Consists of programs that tell a computer how to produce information. Some of the more commonly used packages are:  Word processing.  Electronic spreadsheet.  Presentation. D.Balaganesh LINCOLN UNIVERSITY COLLGE 25
  26. 26. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Application Software • This is software that help the user carry out specific task such as word-processing, spreadsheet, databases and presentation software. • Application fall under two styles – Tailor-made: software designed for the particular customer. – Off-the-shelf: for use by the general public D.Balaganesh LINCOLN UNIVERSITY COLLGE 26
  27. 27. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours Application Software • MS Word ( Word Processing ):  Word Processing software is used to create and print documents • Spreadsheet ( MS Excel ) Electronic spreadsheet software allows the user to add, subtract, and perform userdefined calculations on rows and columns of numbers. These numbers can be changed and D.Balaganesh LINCOLN UNIVERSITY COLLGE 27
  28. 28. Subject Name Code FUNDAMENTAL COMPUTER PRINCIPLE & PROGRAMMING Credit Hours MS Powerpoint ( Presentation) • MS Powerpoint allows the user to create documents called slides to be used in making the presentation. D.Balaganesh LINCOLN UNIVERSITY COLLGE 28

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