McGraw-Hill Technology Education Copyright   © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
Chapter 1B Looking Inside the Computer System
Parts of the Computer System <ul><li>Computer systems have four parts </li></ul><ul><ul><li>Hardware </li></ul></ul><ul><u...
Parts of the Computer System <ul><li>Hardware </li></ul><ul><ul><li>Mechanical devices in the computer </li></ul></ul><ul>...
Parts of the Computer System <ul><li>Data </li></ul><ul><ul><li>Pieces of information </li></ul></ul><ul><ul><li>Computer ...
Information Processing Cycle <ul><li>Steps followed to process data </li></ul><ul><li>Input </li></ul><ul><li>Processing <...
Essential Computer Hardware <ul><li>Computers use the same basic hardware </li></ul><ul><li>Hardware categorized into four...
Essential Computer Hardware <ul><li>Processing devices </li></ul><ul><ul><li>Brains of the computer </li></ul></ul><ul><ul...
Essential Computer Hardware <ul><li>Memory devices </li></ul><ul><ul><li>Stores data or programs </li></ul></ul><ul><ul><l...
Essential Computer Hardware <ul><li>Input and output devices </li></ul><ul><ul><li>Allows the user to interact </li></ul><...
Essential Computer Hardware <ul><li>Storage devices </li></ul><ul><ul><li>Hold data and programs permanently </li></ul></u...
Software Runs The Machine <ul><li>Tells the computer what to do </li></ul><ul><li>Reason people purchase computers </li></...
Software Runs The Machine <ul><li>System software </li></ul><ul><ul><li>Most important software </li></ul></ul><ul><ul><li...
Software Runs The Machine <ul><li>Application software </li></ul><ul><ul><li>Accomplishes a specific task </li></ul></ul><...
Computer data <ul><li>Fact with no meaning on its own </li></ul><ul><li>Stored using the binary number system </li></ul><u...
Computer users <ul><li>Role depends on ability </li></ul><ul><ul><li>Setup the system </li></ul></ul><ul><ul><li>Install s...
Chapter 1B End of Chapter
Upcoming SlideShare
Loading in …5
×

Comp2

1,078
-1

Published on

peter norton

Published in: Education, Technology
0 Comments
2 Likes
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
1,078
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
67
Comments
0
Likes
2
Embeds 0
No embeds

No notes for slide
  • Comp2

    1. 1. McGraw-Hill Technology Education Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
    2. 2. Chapter 1B Looking Inside the Computer System
    3. 3. Parts of the Computer System <ul><li>Computer systems have four parts </li></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><li>Software </li></ul></ul><ul><ul><li>Data </li></ul></ul><ul><ul><li>User </li></ul></ul>
    4. 4. Parts of the Computer System <ul><li>Hardware </li></ul><ul><ul><li>Mechanical devices in the computer </li></ul></ul><ul><ul><li>Anything that can be touched </li></ul></ul><ul><li>Software </li></ul><ul><ul><li>Tell the computer what to do </li></ul></ul><ul><ul><li>Also called a program </li></ul></ul><ul><ul><li>Thousands of programs exist </li></ul></ul>
    5. 5. Parts of the Computer System <ul><li>Data </li></ul><ul><ul><li>Pieces of information </li></ul></ul><ul><ul><li>Computer organize and present data </li></ul></ul><ul><li>Users </li></ul><ul><ul><li>People operating the computer </li></ul></ul><ul><ul><li>Most important part </li></ul></ul><ul><ul><li>Tell the computer what to do </li></ul></ul>
    6. 6. Information Processing Cycle <ul><li>Steps followed to process data </li></ul><ul><li>Input </li></ul><ul><li>Processing </li></ul><ul><li>Output </li></ul><ul><li>Storage </li></ul>
    7. 7. Essential Computer Hardware <ul><li>Computers use the same basic hardware </li></ul><ul><li>Hardware categorized into four types </li></ul>
    8. 8. Essential Computer Hardware <ul><li>Processing devices </li></ul><ul><ul><li>Brains of the computer </li></ul></ul><ul><ul><li>Carries out instructions from the program </li></ul></ul><ul><ul><li>Manipulate the data </li></ul></ul><ul><ul><li>Most computers have several processors </li></ul></ul><ul><ul><li>Central Processing Unit (CPU) </li></ul></ul><ul><ul><li>Secondary processors </li></ul></ul><ul><ul><li>Processors made of silicon and copper </li></ul></ul>
    9. 9. Essential Computer Hardware <ul><li>Memory devices </li></ul><ul><ul><li>Stores data or programs </li></ul></ul><ul><ul><li>Random Access Memory (RAM) </li></ul></ul><ul><ul><ul><li>Volatile </li></ul></ul></ul><ul><ul><ul><li>Stores current data and programs </li></ul></ul></ul><ul><ul><ul><li>More RAM results in a faster system </li></ul></ul></ul><ul><ul><li>Read Only Memory (ROM) </li></ul></ul><ul><ul><ul><li>Permanent storage of programs </li></ul></ul></ul><ul><ul><ul><li>Holds the computer boot directions </li></ul></ul></ul>
    10. 10. Essential Computer Hardware <ul><li>Input and output devices </li></ul><ul><ul><li>Allows the user to interact </li></ul></ul><ul><ul><li>Input devices accept data </li></ul></ul><ul><ul><ul><li>Keyboard, mouse </li></ul></ul></ul><ul><ul><li>Output devices deliver data </li></ul></ul><ul><ul><ul><li>Monitor, printer, speaker </li></ul></ul></ul><ul><ul><li>Some devices are input and output </li></ul></ul><ul><ul><ul><li>Touch screens </li></ul></ul></ul>
    11. 11. Essential Computer Hardware <ul><li>Storage devices </li></ul><ul><ul><li>Hold data and programs permanently </li></ul></ul><ul><ul><li>Different from RAM </li></ul></ul><ul><ul><li>Magnetic storage </li></ul></ul><ul><ul><ul><li>Floppy and hard drive </li></ul></ul></ul><ul><ul><ul><li>Uses a magnet to access data </li></ul></ul></ul><ul><ul><li>Optical storage </li></ul></ul><ul><ul><ul><li>CD and DVD drives </li></ul></ul></ul><ul><ul><ul><li>Uses a laser to access data </li></ul></ul></ul>
    12. 12. Software Runs The Machine <ul><li>Tells the computer what to do </li></ul><ul><li>Reason people purchase computers </li></ul><ul><li>Two types </li></ul><ul><ul><li>System software </li></ul></ul><ul><ul><li>Application software </li></ul></ul>
    13. 13. Software Runs The Machine <ul><li>System software </li></ul><ul><ul><li>Most important software </li></ul></ul><ul><ul><li>Operating system </li></ul></ul><ul><ul><ul><li>Windows XP </li></ul></ul></ul><ul><ul><li>Network operating system (OS) </li></ul></ul><ul><ul><ul><li>Windows Server 2003 </li></ul></ul></ul><ul><ul><li>Utility </li></ul></ul><ul><ul><ul><li>Symantec AntiVirus </li></ul></ul></ul>
    14. 14. Software Runs The Machine <ul><li>Application software </li></ul><ul><ul><li>Accomplishes a specific task </li></ul></ul><ul><ul><li>Most common type of software </li></ul></ul><ul><ul><ul><li>MS Word </li></ul></ul></ul><ul><ul><li>Covers most common uses of computers </li></ul></ul>
    15. 15. Computer data <ul><li>Fact with no meaning on its own </li></ul><ul><li>Stored using the binary number system </li></ul><ul><li>Data can be organized into files </li></ul>
    16. 16. Computer users <ul><li>Role depends on ability </li></ul><ul><ul><li>Setup the system </li></ul></ul><ul><ul><li>Install software </li></ul></ul><ul><ul><li>Mange files </li></ul></ul><ul><ul><li>Maintain the system </li></ul></ul><ul><li>“Userless” computers </li></ul><ul><ul><li>Run with no user input </li></ul></ul><ul><ul><li>Automated systems </li></ul></ul>
    17. 17. Chapter 1B End of Chapter
    1. A particular slide catching your eye?

      Clipping is a handy way to collect important slides you want to go back to later.

    ×