UNIT 2

1
UNIT 2
2
I. More About Computers(Parts)
3
OUTPUT DEVICES

• Output devices send information from your
  computer to you. This information is usually in
  the form of sound and sight, but some devices can
  send information as touch.

4
Monitor
The monitor comprises the display.
5
Printer
A device responsible for taking computer data and
generating a hard copy of that data.
6
Speakers
This will let you hear the sounds that you have
created in your computer. Example, movies, music,
etc.
7
INPUT DEVICES

• Input devices are the parts that let you enter
  and manipulate information on a computer.

8
Keyboard
a typewriter-style device, which uses an
arrangement of buttons or keys, to act as your
command to the computer.
9
Mouse
A device that controls the movement of the cursor
or pointer on a display screen.
10
Scanners
This will scan your documents such as photographs
and pages of text.
11
Microphones
A device containing sound waves that can then be
amplified, transmitted, and output through a
speaker.
12
Joysticks
a device commonly used to control video games.
13
ON THE INSIDE

• The inside of your computer has many parts that
  all work together. These parts are generally
  found within your computer case - this is usually
  the big "box" that probably sits under your desk
  or below your monitor.

14
The motherboard

• it is the backbone of the computer. The
  motherboard is the home of the processor chip,
  pci slots, and memory.

15
 The Processor

• This is the chip that does the "thinking" of the
  computer. Example Pentium and Intel.

16
The Memory

• This is where information is temporarily stored
  for the processor to use. This is also known as
  RAM (Random access memory). 

17
The PCI Slot

• These are outlets in the motherboard that allow
  you to install extra machinery like sound cards,
  modems, video cards, and other devices.

18
Hard Drive

• This is the part of your computer where
  information is stored for later retrieval. All
  the information you access on your computer, all
  your documents, pictures, email messages, and
  programs are here.

19
ActivitiyDraw a line in matching the pictures
to the names of the different parts of the
computer.

• 1. Hard Drive
• 2. Microphone
• 3. Mouse
• 4. Scanner
• 5. Processor

20
II. Types of computers

• Personal Computers

21
Desktops
22
Laptops
23
Netbooks
24
Personal Digital Assistants (PDAs) or Palmtop
25
Tablet Computers
26
ACTIVITYDraw a picture of the personal
computers that you have seen at school or at
home.