Computer Basics. What a computer does INPUT  Computer INPUT is whatever is typed, submitted or transmitted to a computer system. It can be supplied.

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Presentation transcript:

Computer Basics

What a computer does

INPUT  Computer INPUT is whatever is typed, submitted or transmitted to a computer system. It can be supplied by a person, by the environment or by another electronic device.  Input devices will send data to the computer to be processed. Devices include:  Keyboard  Mouse  Microphone  Digital Scanner  Digital Camera Examples of input  Words  Symbols  Numbers  Pictures  Temperature  Mouse clicks  Audio signals  Movement

OUTPUT  Output is the result produced by a computer.  Output devices will  Display  Print  Transmit (like sound)  Devices include:  Monitor  Speakers  Printer  Headphones  LCD Projectors Examples of output:  Sounds  Reports  Printed Documents  Visual display on a screen  Music  Pictures

PROCESSING  A processor is the part of the computer that manipulates the data as directed by the user or the program that is being run.  CPU stands for Central Processing Unit, and it is located inside the box/tower that most people call their “computer.”

Equipment You Need to Know Keyboard Speakers Monitor Printer Scanner Mouse Input Output Input Output

Equipment You Need to Know Headphones Microphone Webcam Input Output Input

Two Kinds of Memory RAM  Small amount memory 4-8 GB  Juggles everything that is currently running on the computer.  “Dumps” everything when the computer shuts down. STORAGE  Huge amount of memory 500GB – 2TB  Stores all of the files that are kept on a computer (photos, documents, music, programs, etc.)  Does not ‘dump’ when the computer shuts down.

Inside the Computer

Terms You Need to Know  Motherboard  Processor (CPU)  Power Supply (PSU)  Video Card  Sound Card  Hard Drive  RAM  Storage  Battery (what it does)  Input (definition)  Output (definition)  Monitor  Mouse  Keyboard  Speakers  Scanner  Printer  Headphones  Microphone  Webcam  Input (identify devices)  Output (identify devices)