1. What is Information Technology?
Technology that enables information to be used to produce products and services.

2. What Is A Computer?
An electronic device that receives data, processes data, stores data, and produces a result (output).

3. Information Processing Cycle
Input Device
CPU
Output Device
Storage

4. Hardware-Physical Parts of the computer

5. Hardware, Hardware Modem- connects your computer to the Internet
CPU- Central Processing Unit is the brain of your computer.
The Brain!!!!!!!

6. Input, Output, & Storage Devices
Input device: hardware that allows you to communicate with your computer.
Output device: hardware that allows your computer to communicate with the user
Storage device: allows you to store or retrieve information

7. Computer Input Devices
Touch Screen
Bar Code Reader
Scanner
Microphone
Graphics Tablet
Digital Cameras
Keyboard
Mouse
Trackball
Joystick
Light Pen
Pointing Stick
Touchpad

8. 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.

9. STORAGE
Besides saving to the hard drive, here are some other ways to save:
1. CD-ROM
(Compact Disk- Read Only Memory)
/2 “ Floppy Disk
(“A” Drive)
3. External Storage
( Flash Drive, Memory Stick, etc.)

10. Memory ROM- Read Only Memory RAM- Random Access Memory
(Temporary or working memory)
One unit of computer memory is called a “byte”.

11. Units of Memory 1 byte stores one character of data 1
1000 bytes is a kilobyte
1000
1 million bytes is a megabyte
1,000,000
1 billion bytes is a gigabyte
1,000,000,000