FOCUS

1
FOCUS
2
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
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
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
10
Computer Hardware
Central Processing Unit (CPU)orMicroprocessor
11
Central Processing Unit
12
Computer Hardware
The CPU is usually protectedfrom Heat by
aHeatsink and Fan combination
13
Fan and Heat Sink
14
Motherboard
15
Motherboard
16
Motherboard
17
Computer Hardware
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 DriveCover Removed
22
Hard Disk and Read/Write Heads
23
Disk Track
24
Adding RAM
25
(No Transcript)
26
COMPAQ 7000
27
Back of COMPAQ 7000
28
Power Input
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
31
Input Output Terminals
32
Input Output Terminals
Audio Inputs and Outputs
33
Input Output Terminals
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
VIDEO CARD
FireWire CARD 1394, i.LINK
SOUND CARD
EITHERNET CARD
MODEM CARD
40
Power Supply
41
Heat Sink and Fanon CPU
42
RAM Cards
43
What is This?
?
?
?
?
?
?
44
Battery
45
Warning
46
Warning
Static Electricity can Destroy Computer Components
47
COMPAQ 7000
Now lets look at theInside of a Computer
48
(No Transcript)
49
(No Transcript)