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PC Parts
Identifying PC parts and
their functions. Prepared by:
PAUL C. GONZALES
Teacher I
ESCES - Midsayap West
District
External components
Visible to the end-user
Required for the PC to function
Consist of
-Case -Mouse
-Monitor -Printer
-Keyboard
The case is the “box” that holds
the internal components of the
PC. It protects those delicate
components
from dust
and debris.
back
The monitor is the main output
component used on a PC. It’s
where the computer is able to
show you what it, and you, are
doing.
back
The keyboard is the main input
device you use with a computer
or PC-based equipment.
back
On any PC that uses graphics
(pictures), a mouse is an
essential input device that allows
you to control the PC.
back
Printer, a computerperipheral
that puts text or a computer-
generated image on paper or
on another medium, such as a
transparency.
back next
Internal Components
Internal components are the
parts of the computer that do
most of the work, though they
are behind the scenes.
Understanding their basic
functions is important to
understanding the PC as a
whole.
Internal Components
Motherboard
CPU
Drives
Expansion cards
Memory
Power supply
Modem
The MOTHERBOARD (main
board, system board) is a large
circuit board which all other
PC components
connect to
in some way.
back
The CPU (Central Processing
Unit) is the brain of the PC. All
work done by the PC involves the
CPU in some way. The CPU
plugs into the
motherboard.
back
There are many kinds of DRIVES
in a computer: CDROM drives,
hard drives. The basic function
of all drives is to store information
back
Expansion cards are circuit
boards that plug into the
motherboard to expand its
capabilities. Sound cards are an
example. One required
expansion card is the video card,
which connects to the monitor.
back
 Random Access Memory (RAM) is
memory that the CPU uses when
performing its tasks.
 RAM consists of chips that plug into
the motherboard.
 In general, the more RAM you
have, the better.
back
The power supply is crucial to
the PC. It converts power from
the wall outlet into power the PC
can use. It powers all internal
components, including the
motherboard
and drives.
back
 A modem is a device that converts
between analog signals, such as
sound waves, and digital signals,
which are used by computers.
However, the term has also come to
include devices that permit the
transmission of entirely digital signals
QUIZback
How well did you learn?
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77 identify the parts of a computer

  • 1. PC Parts Identifying PC parts and their functions. Prepared by: PAUL C. GONZALES Teacher I ESCES - Midsayap West District
  • 2. External components Visible to the end-user Required for the PC to function Consist of -Case -Mouse -Monitor -Printer -Keyboard
  • 3. The case is the “box” that holds the internal components of the PC. It protects those delicate components from dust and debris. back
  • 4. The monitor is the main output component used on a PC. It’s where the computer is able to show you what it, and you, are doing. back
  • 5. The keyboard is the main input device you use with a computer or PC-based equipment. back
  • 6. On any PC that uses graphics (pictures), a mouse is an essential input device that allows you to control the PC. back
  • 7. Printer, a computerperipheral that puts text or a computer- generated image on paper or on another medium, such as a transparency. back next
  • 8. Internal Components Internal components are the parts of the computer that do most of the work, though they are behind the scenes. Understanding their basic functions is important to understanding the PC as a whole.
  • 10. The MOTHERBOARD (main board, system board) is a large circuit board which all other PC components connect to in some way. back
  • 11. The CPU (Central Processing Unit) is the brain of the PC. All work done by the PC involves the CPU in some way. The CPU plugs into the motherboard. back
  • 12. There are many kinds of DRIVES in a computer: CDROM drives, hard drives. The basic function of all drives is to store information back
  • 13. Expansion cards are circuit boards that plug into the motherboard to expand its capabilities. Sound cards are an example. One required expansion card is the video card, which connects to the monitor. back
  • 14.  Random Access Memory (RAM) is memory that the CPU uses when performing its tasks.  RAM consists of chips that plug into the motherboard.  In general, the more RAM you have, the better. back
  • 15. The power supply is crucial to the PC. It converts power from the wall outlet into power the PC can use. It powers all internal components, including the motherboard and drives. back
  • 16.  A modem is a device that converts between analog signals, such as sound waves, and digital signals, which are used by computers. However, the term has also come to include devices that permit the transmission of entirely digital signals QUIZback
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