INFORMATION PROCESSING CYCLE Solid Blue Boxes with Video

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INFORMATIONPROCESSINGCYCLE
Solid Blue Boxes with Video Cameras or pictures
are actually links to videos. Click on them to
advance to the web to watch.
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What is a computer?

• A computer is a machine that receives data and
  processes that data in some way to produce
  information.
• A computer is an electronic device that accepts
  data, performs computations, and makes logical
  decisions according to the data it is given, to
  produce information in a form that is meaningful
  to humans.

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How does a computer process information?
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Definition of Input
Definition of Output
Definition of Processing
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INPUT DEVICES (p.450)

• Speech Recognition Device
• Scanners
• Sound Board
• Digital Camera

• Keyboard
• Mouse
• Joystick
• Graphics Tablet
• Touch Display

New Technology
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Output Devices (p.451)

• Monitor CRT and LCD
• Printers
• Laser
• Ink Jet

• Plotter
• Microfilm
• Synthesizers
• Robots

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Hardware on the Outside

• http//parenting.kaboose.com/education-and-learnin
  g/learning-resources/comp_les1.html

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Processing Devices (p. 452)

• CPU Stores data and programs, executes program
  instructions and performs operations (THE BRAIN)
• Motherboard
• Tells EVERYBODY what to do

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Hardware on the Inside

• http//resources.kaboose.com/brain/comp-les2.html

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STORAGE DEVICES (p. 453-455)

• Hard Drive
• Diskette (Floppy) Drive
• CD
• DVD
• Can you name others?
• SIM Card
• USB Drive
• Camera Card

• Memory (short-term and long-term)
• ROM (Read Only Memory) permanent/unchanging
• RAM (Random Access Memory) can be added to

http//resources.kaboose.com/brain/comp_les4.html
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PROCESSING CYCLE

• RETRIEVE INSTRUCTION
• DECODE INSTRUCTION
• EXECUTE INSTRUCTION
• STORE RESULT