1. Chapter 2 - Computer Organization and Hardware
CMIT100
Chapter 2 - Computer Organization and Hardware

2. Learning Objectives
Identify the components of a computer and their roles.
Describe the fetch–execute cycle.
Discuss characteristics that impact a processor’s performance.
Describe the different levels of the memory hierarchy.
Describe the role of the various types of input and output devices.
Discuss the impact that I/O devices have on the human body and the importance of HCI.
Illustrate how a computer can be assembled from component parts.

3. IPOS Cycle
Input
Processing
Output
Storage

4. Structure of a Computer

5. The CPU Processes programs The “brain” of the computer Comprised of:
Arithmetic Logic Unit (ALU)
Control Unit

6. Storage

7. Memory Random Access Memory (RAM)
[Instructor selected image of Random Access Memory image included here]

8. Case
Tower
Desktop
Rack-Mount

9. Motherboard
Provides connections for CPU, memory, storage, and I/O devices

10. Storage
Hard Disk Drive (HDD)
Magnetic Disk
IDE
SATA
Solid State Disk

11. Input/Output (I/O) Devices
Bar code reader Input packaging information, used primarily in stores
Camera Input video image (still or moving)
Goggles Output video image, used primarily in virtual reality
Joystick Input motion/pointing information, used primarily for computer games
Keyboard Primary means of input for most users
Microphone Input voice information
Monitor Primary output device
Mouse Input user interactions with GUI windowing system
Printer Output text and/or images to paper
Scanner Input text and/or images from paper
Speakers Output music and sound
Touch pad/point Common in Laptops

12. Choosing the right computer
What’s its role?
Server
Desktop
Laptop
Tablet
Performance
Processor Type and Speed
Amount of RAM
Type and Size of Storage
Network Type and Speed
Other Devices

13. Creative Commons Statement