Objectives l l l l 2 Define a computer and identify how it is used. Compare and classify types of computers. List the parts of a computer system. Explain how computers are integrated into larger systems through networks. Identify computer system components. Distinguish between software and hardware. Describe the difference between applications software and systems software. Define the user interface and graphical user interface. Computer Literacy BASICS
Computer: Definition and Capability 3 Computer Literacy BASICS
How Computers are Used 4 Computer Literacy BASICS
How Computers Are Used 5 Computer Literacy BASICS
Types of Computers l Computers are classified by: – – – 6 Size (physical and logical) Speed Application Computer Literacy BASICS
Types of Computers Super Computer 7 Mainframe Computer Literacy BASICS
Types of Computers Mini Computer 8 Computer Literacy BASICS
Types of Personal Computers Macintosh desktop 9 PC desktop Computer Literacy BASICS
Types of Personal Computers Notebook 10 PDA Computer Literacy BASICS
Computer Systems 11 Computer Literacy BASICS
Data Communications Components 12 Computer Literacy BASICS
A Typical Network Layout 13 Computer Literacy BASICS
Types of Networks l l l 14 Intranets – within an organization Extranets – within and outside organizations The Internet – a network of networks Computer Literacy BASICS
Summary l l 15 A computer is an electronic device that receives data, processes data, and stores data to produce a result. Computers can be found in almost every aspect of our lives. Computers are classified by size, speed, and application. There are different types of computers including supercomputers, mainframe computers, minicomputers, and microcomputers. Computer Literacy BASICS