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INFORMATION PROCESSING CYCLE 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) Keyboard Mouse Joystick Graphics Tablet Touch Display Speech Recognition Device Scanners Sound Board Digital Camera 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-learning/learning- resources/comp_les1.html http://parenting.kaboose.com/education- and-learning/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 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
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