Introduction to Computers
- 1. Introduction to ComputersPart I: Parts & Smarts
- 2. A Computer Is…A machine that takes in data and instructions (input)Works with the data (processing)Gives the processed information back to the user (output). 1960s1980sToday
- 3. HardwarePhysical parts of the computer you can actually touch.Input and output devices. Inner computer parts.
- 4. Input Devices Devices that allow you to give information to a computer.
- 5. Output Devices Devices that allow a computer to give information to the user.
- 6. Inner Computer PartsPower SupplyCD/DVD ROMVideo CardHard DriveMemoryChip
- 7. Processing & CalculatingTemporary MemoryPermanent Storage …until it crashes!
- 8. Information StorageHard DrivePermanent… until it crashes. Located inside computer “tower.”Memory StickTemporary memory.Located inside “tower.” CD/DVDsPortable, inserted into CD/DVD-ROM.Information is “written” or “burned” to the disc.Flash DrivePortable, inserted into USB port.About $15 for 8 GB.
- 9. Information Storage700 floppy disks = 1 GB Flash Drive
- 10. SoftwareOften refers to a computer program.You cannot physically touch software, but it allows you to use a computer’s hardware.Enables you to tell a computer what to do. Examples:Windows Operating SystemGamesWord processing programs like Microsoft Word. Internet browsers
- 11. Operating SystemsSoftware that makes your hardware and programs run. The background for all other programs to run on. We are using Microsoft Windows XP.
- 12. The Desktop IconsWhen Windows is running, this is the first thing you will see. Contains the icons and some blank space leftover. Icons are pictures that represent programs or files on your computer.