Presentation on theme: "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."— Presentation transcript:
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.
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.
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
Processing Devices (p. 452) CPU – Stores data and programs, executes program instructions and performs operations (THE BRAIN) Motherboard –Tells EVERYBODY what to do
Hardware on the Inside http://resources.kaboose.com/brain/comp- les2.html http://resources.kaboose.com/brain/comp- les2.html
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
PROCESSING CYCLE RETRIEVE INSTRUCTION DECODE INSTRUCTION EXECUTE INSTRUCTION STORE RESULT