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 Screen  Mouse  Bar Code Reader  Trackball  Scanner  Joystick  Microphone  Light Pen  Graphics Tablet  Pointing Stick  Digital Cameras  Touchpad 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- Read Only Memory

 RAM- 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!