1. FOCUS

2. Review Information for Final Exam
Computer Hardware
Review Information for Final Exam

3. Computer
A programmable electronic machine that performs high-speed mathematical or logical operations or that assembles, stores, correlates, or otherwise processes information.

4. The Basic Structure of A Computer System Consists of Three Parts
1. CPU - Central Processing Unit

5. The Basic Structure of A Computer System Consists of Three Parts
1. CPU
Performs arithmetic and logic operations
2. INPUT – OUTPUT DEVICES
Keyboard, Monitor, Modem, Mouse, Joystick, Speakers, Printers, etc.
3. MEMORY
Primary – directly accessible by the CPU.
Secondary – external memory for storing data.
(Peripherals)

6. It does not include data or computer programs.
Computer Hardware
The physical components of a computer system, such as the circuit boards, chassis, enclosures, peripherals, cables, etc.
It does not include data or computer programs.

7. Computer Diagram
The Block Diagram as shown below is a representation of the fundamental pieces of any computer system. So whether it is a PC or MAC or some other type of computer it will have most if not all of these components.

8. (Random Access Memory)
Computer Hardware
RAM
ROM
(Random Access Memory)
Short term memory in a computer. When the computer is turned off, all the information stored here disappears. A memory device in which information can be accessed in any order.
(Read Only Memory)
A small memory that allows fast access to permanently stored data but prevents addition to or modification of the data.

9. Computer Hardware
RAM
ROM

10. Central Processing Unit (CPU) or Microprocessor
Computer Hardware
Central Processing Unit (CPU) or Microprocessor

11. Central Processing Unit

12. Computer Hardware
The CPU is usually protected from Heat by a Heatsink and Fan combination

13. Fan and Heat Sink

14. Motherboard

15. Motherboard

16. Motherboard

17. Computer Hardware Hard Drives Motherboards Floppy CPU’s Processors RAM
Memory
CD ROM
Video
Cards
Modems
Monitors
Keyboards
Mice
Printers
Backup
Drive
Video
Camera
Computer
Cases
Sound
Cards
Multimedia
Speakers
Other
Equipment

18. USB Flash Drives
USB flash drives are compact and easy-to-use devices that are similar in use to your computer hard drive. USB flash drives slip into your pocket, conveniently around your neck or on a keychain for ultimate portable storage.
USB flash drives also are called thumb drives, jump drives, pen drives, key drives, tokens, or simply USB drives.

19. Computer Hardware

20. Computer Hardware

21. Hard Drive Cover Removed

22. Hard Disk and Read/Write Heads

23. Disk Track

24. Adding RAM

26. COMPAQ 7000

27. Back of COMPAQ 7000 Input Terminals Input & Output Terminals

28. 110 Volt / 220 Volt Selection Switch
Power Input
AC Power Input
110 Volt / 220 Volt Selection Switch

29. Input & Output Terminals
Most Computers have Icons and Color Coded Connections to help with attaching all the Required and Optional Peripherals.

30. Input & Output Terminals
Keyboard
Mouse
Universal Serial Bus
Universal Serial Bus
USB
Joystick
Parallel Printer

31. Input & Output Terminals
Monitor

32. Input & Output Terminals
FireWire IEEE 1394
Audio Inputs and Outputs

33. Input & Output Terminals
NOT for Phone
Ethernet Jack
Output for a Phone
Line for Phone Modem

34. Input & Output Terminals

35. Inside View

36. Cards and Drives

37. Back of Drives
DVD DRIVE
CD/RW DRIVE
ZIP DRIVE
FLOPPY DRIVE
HARD DRIVE

38. Cards and Drives

39. Expansion Cards FireWire CARD VIDEO CARD 1394, i.LINK SOUND CARD
EITHERNET CARD
MODEM CARD

40. Power Supply

41. Heat Sink and Fan on CPU

42. RAM Cards

43. What is This? ? ? ? ? ? ?

44. Battery

45. Warning

46. Static Electricity can Destroy Computer Components
Warning
Static Electricity can Destroy Computer Components

47. Now lets look at the Inside of a Computer
COMPAQ 7000
Now lets look at the Inside of a Computer