Maricopa Community Colleges  ELT127   19946-20005 
Official Course Description: MCCCD Approval: 05/24/94
ELT127 19946-20005 LEC 1 Credit(s) 1 Period(s)
How Computer Hardware Components Interact
Functional description of hardware component operation of the IBM(International Business Machines) and compatible microcomputers. Electronic and electromechanical components operation during bootup process and operating system utilization, RAM(read access memory), RAM caching and the microprocessor, and data storage. Data storage description includes floppy disks, hard disk, CD-ROM(Compact-disc, read-only-memory), other disk type drives, and tape backup. Prerequisites: None.
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MCCCD Official Course Competencies:
 
ELT127   19946-20005 How Computer Hardware Components Interact
1. Describe the steps taken by the IBM compatible Power On Self Test (POST) program. (I)
2. Describe the disk boot process. (I)
3. Draw a map showing the operating system memory organization. (I)
4. Explain how the operating system interacts with and controls the computer hardware. (I)
5. Explain the functional operation of the integrated circuits (ICs) used in the microcomputer, to include: transistor, random access memory, microprocessor, and RAM cache. (II)
6. Describe how data are recorded and read from a magnetic disk surface. (III)
7. Describe the disk formatting process. (III)
8. Explain how a data file is written and read from a disk drive. (III)
9. Describe how floppy and hard disk drives work. (III)
10. Define disk caching and describe the disk caching process. (III)
11. Describe the functional operation of a compact disk read only memory (CD ROM) data storage system. (III)
12. Describe how data are written to and read from a magneto-optical drive. (III)
13. Explain the operation of a Bernoulli drive. (III)
14. Describe the operation of the quarter inch tape and the digital audio tape drives. (III)
15. Describe the operation of disk drive arrays. (III)
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MCCCD Official Course Outline:
 
ELT127   19946-20005 How Computer Hardware Components Interact
    I. Bootup Process
        A. Power of Self Test
        B. Disk boot
        C. Operating system
          1. Memory
          2. Software
          3. Hardware
      II. Integrated Circuits
          A. Transistors
          B. Random access memory (RAM)
          C. Microprocessor
          D. RAM cache
        III. Data Storage
            A. Magnetic recording principles
              1. Write and read data bits on disk
              2. Disk format
              3. Write data file to disk
            B. Floppy drive
            C. Hard drive
            D. Disk cache
            E. Compact disk read only memory (CD ROM)
            F. Magneto-optical recording principles
              1. Recording principles
              2. Write and read data bits
            G. Bernoulli drive
            H. Magnetic tape drive
              1. Recording principles
              2. Quarter inch cartridge drive
              3. Digital audio tape drive
            I. Disk Drive Array
              1. Mirrored drive
              2. Striped drive
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