 Computer Fundamentals Introduction to Computers

Learning Goals  Today I am: Describing – in detail – the five components of a computer  So that I can: Understand how these pieces fit into the “bigger picture”  I’ll know I’ve got it if: I can explain what each component is and what its function is

 Information Processing Cycle Collects data (input) Processing Produces information (output)

Computer Components  A computer contains many electric, electronic, and mechanical components known as hardware

5 Components of a Traditional PC  Input device  Output device  System unit  External Storage device  Communications device

Computer Components  Input device: allows you to enter data and instructions into a computer  Keyboard  Mouse  Scanner  Digital camera  Touch screen

Computer Components  Output device: hardware component that conveys information to one or more people  Monitor  Speakers  Projector  Printers

Computer Components  System Unit: Case that contains the electronic components of the computer that are used to process data

Computer Components  External Storage Device: Holds data, instructions, and information for future use  USB flash drive  Mobile devices (your iPod!)  External drive  Zip drive

Computer Components  Communications device: Enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices  WiFi network  Router  Modem