Assembling Your Computer Hardware Guide

Describing Hardware Performance ,[object Object],ON OFF System Case

How Computers Represent Data ,[object Object],[object Object],0 1 OR = 1 bit OR = 1 Byte = 1 Byte OFF 1 0 0 0 0 0 1 1 0 0 0 0 1 1 0 0 ON

Bits ,[object Object],[object Object],1000 bits = 1 kilobit (kb) 1,000,000 bits = 1 megabit (mb) 1,000,000,000 bits = 1 gigabit (gb)

Bytes ,[object Object],[object Object],8 bits = 1 Byte 1024 Bytes = 1 Kilobyte (KB) 1,048,576 Bytes = 1 Megabyte (MB) 1,043,741,824 Bytes = 1 Gigabyte (GB) 1,099,511,627,776 Bytes = 1 Terabyte (TB)

The System Unit ,[object Object],[object Object],[object Object]

Types of System Units Desktop Notebook Personal Digital Assistant

Inside the System Unit ,[object Object],[object Object],[object Object],[object Object],[object Object]

The Motherboard ,[object Object],[object Object],[object Object]

The Central Processing Unit: The Microprocessor ,[object Object],CPU CPU socket

Components of the CPU ,[object Object],[object Object],[object Object]

The Control Unit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Machine Cycle/Processing Cycle Control unit ALU Memory

The Arithmetic-Logic Unit ,[object Object],[object Object],[object Object]

Microprocessor Performance ,[object Object],[object Object],[object Object],[object Object],[object Object]

Parallel Processing ,[object Object],[object Object],[object Object]

Popular CPUs Intel Advanced Micro Devices (AMD) Cyrix Motorola (Apple) Pentium IV Pentium MMX Pentium III

The Chipset ,[object Object],[object Object]

Input/Output (I/O) Buses ,[object Object],[object Object],[object Object],PCI slots Expansion Card

Memory ,[object Object],Random Access Memory (RAM) Read-Only Memory (ROM) Flash Memory

Memory Categories ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Random Access Memory / RAM ,[object Object]

Types of RAM ,[object Object],[object Object],[object Object],[object Object]

How RAM Works KEYBOARD CPU RAM MONITOR CLICK ONCE TO BEGIN ANIMATION W E B W W E W E E B B B

Cache Memory ,[object Object],[object Object],[object Object]

Virtual Memory ,[object Object],[object Object],[object Object],[object Object],FULL

ROM: BIOS and CMOS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Outside the System Unit ,[object Object],[object Object],Drive bays On/off switch Reset button Indicator lights FRONT BACK

Types of Connectors PS/2 port (keyboard port) – Special serial port to connect keyboard. Universal Serial Bus (USB) – Allows up to 127 devices to be connected at a time. Serial port – Data flows in a series of pulses, one after another one bit at a time; slow data transfer rate. Parallel port – Data flows through eight wires allowing the transfer of eight bits of data simultaneously; faster than serial ports. VGA connector – A 15 pin connector used for monitors Game port – A connector for high speed access for graphics-intensive interaction. Sound card connectors – Also called jacks, sound card connectors accept stereo mini-plugs. Microphone, line-in, line-out, and speaker connectors are plugged into the card. Point and click on a connector below to view information about it. Click again to remove the text.

Other Types of Connectors ,[object Object],[object Object],[object Object]

Additional Ports and Connectors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Power Supply ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Power Supply ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A. Primary and Secondary IIDE Controllers B. ROM/BIOS C. ISA slots D. CMOS Battery E. PCI slots F. DIN/5 Keyboard Connector G. AT Socket H. ATX Socket I. DIMM Slots J. SIMM Slots K. Chipset L. L2 Cache M.CPU Socket N. Floppy Drive Controller O.LPT Connector P.COM Connector

Assembling Your Computer Hardware Guide

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