Chapter 6 Power Point

Chapter 6 Power Point - System Unit System Board...

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1 System Unit System Board Microprocessor Memory System Clock Expansion Slots/Cards Bus Lines Ports and Power Supply System Unit System unit (system cabinet or chassis) contains electronic components. Four basic types are: •Desktop •Notebook •Tablet PC •Handheld (PDA) System Unit Electronic Representation Our voices create continuous analog signals. A conversion to digital signals is necessary before processing. Data and instructions can be represented electronically with two-state or binary system of numbers (0 or 1). Each 0 or 1 is called a bit. A byte consists of eight bits and represents one character.
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System Unit Binary Coding Schemes Binary coding schemes convert binary data into characters. Three such schemes are: •ASCII – the most widely used for a microcomputer. •EBCDIC – used primarily for large computers. •Unicode – 16 bit designed to support international languages. System Board The system board (main board or motherboard) connects all system components and allows input and output devices to communicate with the system unit. System Board The system board is a flat circuit board covered with electronic components: •Sockets – provide connection points for chips. •Slots – provide connection points for specialized cards or circuit boards. •Bus Lines – provide pathways to
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Chapter 6 Power Point - System Unit System Board...

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