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Introducing Hardware

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A Guide to Managing and Maintaining Your PC, Fifth Edition. Hardware Inside the Case ... from electrical output voltage to cool inside of computer case ... – PowerPoint PPT presentation

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Title: Introducing Hardware


1
Chapter 1
  • Introducing Hardware

2
You Will Learn
  • That a computer requires both hardware and
    software to work
  • About the many different hardware components
    inside and connected to a computer

3
Hardware Needs Software to Work
  • Hardware
  • Physical components of a computer
  • Visible part of a system
  • Software
  • Set of instructions that directs hardware to
    accomplish a task
  • The intelligence

4
Functions of a Computer
5
PC Hardware Components
  • Outside computer case input/output devices
  • Inside the case processing and storage
  • CPU most important component
  • Requirements of a hardware device
  • Method for CPU to communicate with it
  • Software to instruct and control it
  • Electricity to power it

6
Hardware Used for Input and Output
  • Connects to computer case by ports (eg, serial,
    parallel, USB, game, keyboard, mouse)
  • Popular input devices
  • Keyboard
  • Mouse
  • Popular output devices
  • Monitor
  • Printer

7
Ports
8
Input Devices
9
Output Devices
10
Hardware Inside the Case
11
Motherboard Components
  • Processing
  • CPU (most important)
  • Chip set
  • Temporary storage
  • RAM
  • Cache memory
  • Electrical system
  • Power supply connections
  • Communication with other devices
  • Traces
  • Expansion slots
  • System clock
  • Programming/setup data
  • Flash ROM
  • CMOS setup chip

12
The Motherboard
13
The Motherboard (continued)
14
The CPU
15
The Chip Set
  • Controls most activities on the motherboard
  • Includes several device controllers
  • USB controller
  • Memory controller
  • IDE controller

16
The Chip Set (continued)
17
Storage Devices
  • Temporary (primary storage, or memory)
  • Temporarily holds data and instructions while
    processing them
  • Faster to access than permanent storage
  • Permanent (secondary storage)
  • Data and instructions must be copied into primary
    storage (RAM) for processing

18
Primary and Secondary Storage
19
Primary Storage Devices
  • Memory, or RAM, located on motherboard and other
    circuit boards
  • Volatile versus nonvolatile (or ROM) memory
  • Types of boards that hold memory chips
  • SIMMs
  • DIMMs
  • RIMMs

20
Secondary Storage Devices
  • Hard drives
  • CD-ROM drives
  • DVD drives
  • Zip drives
  • Floppy drives

21
Hard Drive
22
IDE Connectors on a Motherboard
23
IDE Connectors on a Motherboard (continued)
24
Hard Drives Power Supply
25
Floppy Drive Connection
26
Floppy Drive Connection (continued)
27
CD-ROM Drive Connection
28
Motherboard Components Used for Communication
Among Devices
  • The data bus
  • System of pathways used for communication and the
    protocol and methods used for transmission

29
The Bus and Bus Lines
30
Expansion Slots
31
Types of Expansion Slots
32
Interface (Expansion) Cards
33
The Electrical System
  • Power supply
  • Most important component of computers electrical
    system
  • Converts/reduces electricity to voltage the
    computer can handle
  • Runs a fan directly from electrical output
    voltage to cool inside of computer case

34
The Electrical System (continued)
35
The Electrical System (continued)
36
Summary
  • Introduction to hardware components of a computer
    system
  • Initial insight into how hardware works
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