The full name of LED is light emitting diode. LEDs are semiconductor devices that emit light when an electric current passes through them.

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Department of Computer Science
NAME : VAISHNAVI. A.
SUB : CFOA.
BCA 1SEM.
DATE: 11/11/24
Introduction to CPU

Index
 What is CPU
 Processor on Mother Board
 Processor Components
 Memory Unit
 Control Unit
 Arithmetic Logic unit (ALU)

What is CPU?
 A processor or microprocessor is a
small chip that resides in
computers.
 Central Processing Unit.
 CPU is the brain and heart of a
computer.
 Every operation done with the
computer is processed by the
CPU.

Processor on mother board
The CPU fits into the motherboard
The motherboard serves as a base connecting all the
components of the computer
On the corner of the motherboard, there is a memory
slot

The RAM chip fits into the memory slot
RAM is short for Random Access Memory
RAM holds all the data that is being processed by the
CPU

On the left of the motherboard, there are USB ports
USB is short for Universal Serial Bus
The input and output devices can plug into the USB
ports using USB cables

A processor performs three basic functions
Receive input data
Process data
Output data

Memory Unit
• The memory unit supplies information to other units
of the computer when needed
• This unit stores all the data and the instructions
required for processing
• It stores intermediate and final results of
processing
• It stores data temporarily or permanently

Control Unit
The control unit acts like a supervisor
It controls the operation of all parts of the computer

Arithmetic Logic Unit (ALU)
1.The ALU is the heart of the CPU.
2. It performs various arithmetic and logical
operations on the data provided
The popular brands of processors are
Intel and AMD.
The processors are rated depending
on their price, power and
performance

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1. Department of Computer Science NAME : VAISHNAVI. A. SUB : CFOA. BCA 1SEM. DATE: 11/11/24 Introduction to CPU

2. Index  What is CPU  Processor on Mother Board  Processor Components  Memory Unit  Control Unit  Arithmetic Logic unit (ALU)

3. What is CPU?  A processor or microprocessor is a small chip that resides in computers.  Central Processing Unit.  CPU is the brain and heart of a computer.  Every operation done with the computer is processed by the CPU.

4. Processor on mother board The CPU fits into the motherboard The motherboard serves as a base connecting all the components of the computer On the corner of the motherboard, there is a memory slot

5. The RAM chip fits into the memory slot RAM is short for Random Access Memory RAM holds all the data that is being processed by the CPU

6. On the left of the motherboard, there are USB ports USB is short for Universal Serial Bus The input and output devices can plug into the USB ports using USB cables

7. A processor performs three basic functions Receive input data Process data Output data

8. Processor Components

9. Memory Unit • The memory unit supplies information to other units of the computer when needed • This unit stores all the data and the instructions required for processing • It stores intermediate and final results of processing • It stores data temporarily or permanently

10. Control Unit The control unit acts like a supervisor It controls the operation of all parts of the computer

11. Arithmetic Logic Unit (ALU) 1.The ALU is the heart of the CPU. 2. It performs various arithmetic and logical operations on the data provided The popular brands of processors are Intel and AMD. The processors are rated depending on their price, power and performance

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