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COMPUTER SYSTEM

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CHAPTER 3
(Computer System)

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COMPUTER
• Is an electronic device
that processes data
converting it into
information that is useful
to people.
• A...
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COMPUTER SYSTEM

  1. 1. Page 1 CHAPTER 3 (Computer System)
  2. 2. Page 2 COMPUTER • Is an electronic device that processes data converting it into information that is useful to people. • Any computer – regardless of its type is controlled by programmed instructions, which give the machine a purpose and tell it what to do.
  3. 3. Page 3 EVOLUTION OF COMPUTERS
  4. 4. Page 4 THE COMPUTER SYSTEM • A complete computer system is consist of four major parts: 1. Hardware 2. Software 3. User/s 4. Data
  5. 5. Page 5 HARDWARE • The physical devices that make up the computer are called hardware. • Hardware is any part of the computer you can touch. • It consist of interconnected electronic devices that you can use to control the computer’s operation, input and output.
  6. 6. Page 6 COMPUTER HARDWARE
  7. 7. Page 7 COMPUTER SOFTWARE • Is a set of instructions that makes the computer perform tasks. • In other words, software tells the computer what to do.
  8. 8. Page 8 SOFTWARE BRINGS THE MACHINE TO LIFE • When a computer uses a particular program, it is said to be running or executing the program. • Most software falls into two major categories 1. SYSTEM SOFTWARE 2. APPLICATION SOFTWARE
  9. 9. Page 9 SYSTEM SOFTWARE • 3 Types of System Software  Operating System – tells the computer how to use its components  Network Operating System – allows the computer to communicate and share data across network.  Utility – makes the computer easier to use or to perform highly specialized functions
  10. 10. Page 10 APPLICATION SOFTWARE • Application software tells the computer how to accomplish specific tasks, such as word processing or drawing, for the user. • Some of the major categories of these applications include the following:  Word Processing Software for creating text-based documents, such as newsletters or brochures.  Spreadsheets for creating numeric-based documents, such as budgets or balance sheets.  Database management software for building and manipulating large sets of data.
  11. 11. Page 11 CONTINUATION:  Presentation Programs for creating and presenting electronic slide shows  Graphics Programs for designing illustrations or manipulating photographs, movies and animation.  Multi-media authoring applications for building digital movies that incorporate sound, video, animation, and interactive features.  Entertainment and Education software packages, many of which are interactive multi-media events  Web Design Tools, Web Browsers and other internet applications like news readers and e-mail programs  And Lastly, the famous application software is the Games for single or multi-player over a network or internet.
  12. 12. Page 12 COMPUTER SOFTWARE
  13. 13. Page 13 USER/S • People are the computer operators , also known as the “Users”. • No computer is totally autonomous. Even if the computer do its job without a person sitting in front of it, people still design, build, program and repair computer systems.
  14. 14. Page 14 DATA • Consist of individual facts or bits of information, which by themselves may not make much sense to a person. • The computer reads and stores data of all kinds – words, numbers, images or sounds.

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