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Lesson 1: Computer Concepts – Part 1

Lesson 1: Computer Concepts – Part 1. Computer Systems. Personal Computers. Network server. Desktop. Laptop. Desktop Computer Components. System Unit Houses the Central Processing Unit (CPU) Peripherals

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Lesson 1: Computer Concepts – Part 1

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  1. Lesson 1: Computer Concepts – Part 1

  2. Computer Systems • Personal Computers • Network server • Desktop • Laptop

  3. Desktop Computer Components • System Unit Houses the Central Processing Unit (CPU) • Peripherals These are hardware items that are outside the system unit box, such as the keyboard, mouse, monitor, and printer.

  4. Units of Measure • Bits/Bytes • Megahertz • Resolution

  5. Inside the System UnitPart 1

  6. A System Board ISA expansion slots PCI expansion slots AGP video slot Microprocessor slot RAM modules plug in here Floppy drive connection Hard drive connections

  7. The Microprocessor • A computer on a single silicon chip

  8. Microprocessor Performance • Clock speed • Design • Benchmarks • Performance/Cost trade-offs

  9. Random Access Memory • Your computer’s “workbench” • Also called Volatile Memory • Locations of RAM • Main memory • Cache • Video

  10. Cache RAM • Special, high-speed RAM to make the computer process faster • How much RAM do you need? Enough to run your application programs efficiently.

  11. Disk Drives • Drive Types: • Hard drive • Floppydrive • CD • Zipdrive • DVD

  12. How Disk Drives Work • RAM Compared to disk drives Workbench memory – Storage memory

  13. Lesson 1: Computer Concepts – Part 1

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