Understanding Computer Organization and Hardware Components
Explore the components of a computer system, from the CPU to storage devices, and learn about the IPOS cycle, memory hierarchy, and input/output devices. Discover the importance of assembling a computer from individual parts and the impact of I/O devices on human-computer interaction.
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CMIT100 CHAPTER 2 - COMPUTER ORGANIZATION AND HARDWARE
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.
IPOS Cycle Input Processing Output Storage
The CPU Processes programs The brain of the computer Comprised of: Arithmetic Logic Unit (ALU) Control Unit
Memory Random Access Memory (RAM) [Instructor selected image of Random Access Memory image included here]
Case Tower Desktop Rack-Mount
Motherboard Provides connections for CPU, memory, storage, and I/O devices
Storage Hard Disk Drive (HDD) Magnetic Disk IDE SATA Solid State Disk
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
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
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