IT PowerPoint Understand Information Technology activities and careers. What Is A Computer? An electronic device that receives data, processes data, stores data, and produces a result (output). Types of Personal Computers Desktop computer: designed to be used on a desktop. Notebook/Tablet computer: designed to be used on a desktop but still small enough to be portable. Laptop computer: designed to be small enough and light enough to be used on your lap. Hardware- Physical Parts of the computer Monitor Hard Drive Mouse Keyboard Scanner Printer Modem Digital Cameras Scanners Webcams Headphones Smartboard Anything that can be connected to your computer. Modem- connects your computer to the Internet CPU- Central Processing Unit is the brain of your computer Also called the tower or hard drive. Software-a set of instructions that tells the computer what to do Systems Software - controls the operation of the whole computer system. Example: Windows Applications Software - performs a specific task. Examples: MS Word, MS Excel, MS Access, etc… Types of Application Software Word Processing Program that allows you to create, edit, and print text documents Report, flyer, memo Spreadsheet Numbered Rows and Lettered Columns Intersection of a row and column is a cell Grade book, financial info Database Lets you set up an electronic filing system Enter text and numbers Find, search, and print info in different ways Address book, Card Catalog Multimedia- the use of audio, video, animation, or graphics. Ex) Microsoft PowerPoint Microsoft Publisher Easily make flyers, brochures, business cards, newsletters, signs, posters, etc. “Information Processing Cycle” 1. Input Device 2. CPU 3. Output Device 4. Storage Input, Output, & Storage Devices Input device: Output device: hardware that hardware that allows you to allows your communicate with computer to your computer. communicate with the user Storage device: allows you to store or retrieve information Computer Input Devices Keyboard Touch Mouse Bar Trackball Scanner Joystick Microphone Light Graphics Pen Pointing Stick Touchpad Screen Code Reader Digital Tablet Cameras Computer Output Devices Monitor: screen that displays information such as text, numbers, and pictures. Softcopy Printer: gives you information from the computer in printed form. Hardcopy Speakers: allow you to hear voice, music, and other sounds from your computer. Storage Besides saving to the hard drive (the computer), here are some other ways to save: Disk- CD Rom/ Floppy Disk External Storage- flash drive Memory ROM- RAM- Read Only Memory Random Access Memory (Temporary or working memory) What is a network? A system of computers, peripherals, terminals, and databases connected by communication lines. What is the Internet? Electronic information networks that carry audio, video, and computer data. The world’s Largest computer Network!
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