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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

3. Hardware Needs Software to Work
Physical components of a computer
Visible part of a system
Software
Set of instructions that directs hardware to accomplish a task
The intelligence
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

4. Functions of a Computer
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

7. Ports
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

8. Input Devices
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

9. Output Devices
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

10. Hardware Inside the Case
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

12. The Motherboard
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

13. The Motherboard (continued)
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

14. The CPU
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

15. The Chip Set Controls most activities on the motherboard
Includes several device controllers
USB controller
Memory controller
IDE controller
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

16. The Chip Set (continued)
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

18. Primary and Secondary Storage
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

20. Secondary Storage Devices
Hard drives
CD-ROM drives
DVD drives
Zip drives
Floppy drives
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

21. Hard Drive
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

22. IDE Connectors on a Motherboard
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

23. IDE Connectors on a Motherboard (continued)
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

24. Hard Drive’s Power Supply
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

25. Floppy Drive Connection
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

26. Floppy Drive Connection (continued)
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

27. CD-ROM Drive Connection
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

29. The Bus and Bus Lines
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

30. Expansion Slots
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

31. Types of Expansion Slots
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

32. Interface (Expansion) Cards
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

33. The Electrical System Power supply
Most important component of computer’s 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
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

34. The Electrical System (continued)
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

35. The Electrical System (continued)
A+ Guide to Managing and Maintaining Your PC, Fifth Edition

36. Summary Introduction to hardware components of a computer system
Initial insight into how hardware works
A+ Guide to Managing and Maintaining Your PC, Fifth Edition