Week 03: The components of System unit.

  • Differentiate among various styles of system units on desktop computers, notebook computers, and mobile devices
  • Identify chips, adapter cards, and other components of a motherboard
  • Describe the control unit and arithmetic logic unit components of a processor, and explain the four steps in a machine cycle
  • Identify characteristics of various personal computer processors on the market today, and describe the ways processors are cooled
  • Define a bit and describe how a series of bits represents data
  • Explain how program instructions transfer in and out of memory
  • •Differentiate among the various types of memory
  • •Describe the purpose and types of expansion slots and adapter cards, and differentiate among slots for various removable flash memory devices
  • •Differentiate between a port and a connector, and explain the differences among a USB port, FireWire port, Bluetooth port, SCSI port, eSATA port, IrDA port, serial port, and MIDI port
  • •Describe the types of buses in a computer
  • •Explain the purpose of a power supply and describe how it keeps cool
  • •Understand how to clean a system unit on a computer or mobile device

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