Mikial Nijjar | Information Processing Cycle

1
Information Processing Cycle
Mikial Nijjar
2
What is Information Technology?

• Technology that enables information to be used
  to produce products and services.

3
What Is A Computer?

• An electronic device that receives data,
  processes data, stores data, and produces a
  result (output).

4
Information Processing Cycle

1. Input Device
2. CPU
3. Output Device
4. Storage

5
Hardware-Physical Parts of the computer
6
Hardware, Hardware
Modem- connects your computer to the
Internet CPU- Central Processing Unit is the
brain of your computer.
The Brain!!!!!!!
7
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

8
Computer Input Devices

• Keyboard
• Mouse
• Trackball
• Joystick
• Light Pen
• Pointing Stick
• Touchpad

• Touch Screen
• Bar Code Reader
• Scanner
• Microphone
• Graphics Tablet
• Digital Cameras

9
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.

10
STORAGE
Besides saving to the hard drive, here are some
other ways to save
1. CD-ROM (Compact Disk- Read Only Memory)
2. 3 1/2 Floppy Disk (A Drive)
3. External Storage ( Flash Drive, Memory Stick,
etc.)
11
Memory

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

12
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
13
Thank You