Windows
Operating System (OS) The software that manages the sharing of the resources of a computer. Examples of Operating Systems Windows XP Vista Unix Mac OS
Desktop Desktop Icons Examples of an icon include The main working space on your computers screen Icons are pictures of the menu item you are choosing – an executable program or shortcut to a file. Examples of an icon include The blue bar located at the bottom of the desktop is called the Task Bar
Navigating Windows The path to get to your Student drive (H: drive:) My Computer > (H:) drive What is the path to get to the shared drive: My Computer > Share on ‘Muellerpark’ (S:)
Navigating Windows The root of a drive is the beginning Files are created when a document is saved Folders organizes and store files
Navigating Windows Creating, deleting, and renaming a folder
Print Screen Taking a picture of what is on your screen Press the Print Screen button on your keyboard Open Word Right click and paste
Print Screen
Windows
Its All Geek to Me Computer Basics
INPUT DEVICES (Hardware) Keyboard Mouse Microphone Scanner Touch screens Bar code scanner Voice recognition Auxiliary Storage Device
OUTPUT DEVICES (HARDWARE) Useful information that leaves the system Output Hardware includes: Monitor: soft copy Printers: hard copy Projector Voice and music - speakers OUTPUT
MEMORY PROCESSING HARDWARE ROM READ ONLY MEMORY RAM RANDOM ACCESS MEMORY Small Instructions are installed permanently at the factory Cannot be changed These instructions check the computer’s resources and looks for Operating System Main Memory Temporary—it is erased when turned off. It is where programs and data is stored while being processed MEMORY PROCESSING HARDWARE
PROCESSING HARDWARE Central Processing Unit: CPU The Brains or Intelligence of the computer. Controls input and output interprets instructions executes instructions. Silicon chip: integrated circuit board Pentium: name give to a particular chip Hertz: the speed of the CPU Gigahertz: executes a billion instructions per second Megahertz: executes a million instructions per second
Processors Come in Many Sizes Mainframe: large, powerful, serving many connected terminals. Super Computers Minicomputer: mid-sized, serves more than one user at a time Microcomputer: PC, individual workstation Laptop: portable, small Handheld: Palm Pilots
What is Data? Facts used by a computer Words Numbers
What two numbers are used in Binary Code? 0 and 1 They are each called a BIT 8 BITS make a BYTE 1 BYTE makes a letter or number KILOBYTE = 1,024 bytes MEGABYTE = 1,048,576 bytes GIGABYTE = 1,024 megabytes TERABYTE = 1,024 gigabytes
AUXILIARY STORAGE DEVICES Network Drive (H: drive) Hard Disk Drive (C:drive) Floppy Disk Drive with 3 ½” Floppy Disk (A:drive) Jump Drive/Thumb Drive I-Pod CD Read/Write Drive DVD Zip Drive AUXILIARY STORAGE
SOFTWARE Operating System Software Application Software Programs that Make the Computer Work Operating System Software Vista Windows XP: GUI (Graphical User Interface) Unix Linux Application Software Microsoft Word, Excel, Access, Front Page, Publisher WordPerfect Illustrator, Photoshop, Dreamweaver
What is the Boot Process? The process of starting up a computer from a halted or powered-down condition. Commands in ROM memory are followed The process of loading the Operating System software into Main Memory Windows 98 Windows XP Unix