Introduction to Computers

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Presentation transcript:

Introduction to Computers Lesson 4B Introduction to Computers

Central Processing Unit The computer’s primary processing hardware, which interprets and executes program instructions and manages the functions of input, output, and storage devices

Architecture A processor’s performance is dictated by its internal design, or architecture

Microcomputer Processors Intel Advanced Micro Devices (AMD) processors Motorola processors RISC Parallel processing

Extending the Processor’s Power to Other Devices Serial and parallel ports Specialized expansion ports

Examples of Specialized Expansion Ports SCSI USB IEEE 1394 (FireWire) Musical Instrument Digital Interface (MIDI)

Expansion Slots and Boards Allow users to adapt, or configure, the PC to their own needs

PC Card Another type of expansion card, the size of a credit card

Plug and Play The Plug and Play standard makes it easier to install hardware via an existing port or expansion slot

CPUs Used in Personal Computers Lesson 4B CPUs Used in Personal Computers

Review Questions What does architecture refer to? Name the five microcomputer processors. Name the ports that let you extend the processor’s power to other devices. What are expansion slots and boards used for?