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Computer Fundamentals Understanding the CPU

A fun and interactive journey into the brain of the computer for Class 6 & 7

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Computer Fundamentals
The Brain of the Computer
1 / 18
Computer Fundamentals
The Brain of the Computer
Computer Fundamentals Understanding the CPU1 / 18
Let's Revise!
Section summary or transition context...
Computer Fundamentals Understanding the CPU2 / 18
Characteristics of Computer
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    Speed: Works very fast like a rocket
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    Accuracy: Always correct like a bullseye
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    Storage: Saves data like a folder
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    Diligence: Never gets tired like a robot
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    Reliability: Always dependable like a shield
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Input vs Output Devices
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    Keyboard
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    Mouse
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    Scanner
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    Joystick
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    Monitor
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    Printer
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    Speaker
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    Projector
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Meet the Brain of the Computer
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Side-by-side cartoon: human brain and CPU with labels
Side-by-side cartoon: human brain and CPU with labels
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What is CPU?
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    CPU means Central Processing Unit
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    It receives data from input devices
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    It processes the data
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    It gives results to output devices
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Functions of CPU
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    Processes data like a calculator
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    Controls the computer like a boss
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    Performs calculations very fast
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    Manages input and output devices
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    Produces accurate results
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Main Parts of CPU
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Diagram of CPU with three labeled parts: ALU, CU, Memory Unit in different colors
Diagram of CPU with three labeled parts: ALU, CU, Memory Unit in different colors
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ALU: The Maths Expert
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    ALU means Arithmetic Logic Unit
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    Does maths like +, -, ×, ÷
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    Also does comparisons like >, <, =
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    Example: 25 + 15 = 40
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Control Unit: The Boss
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Cartoon of a teacher giving instructions to students in a classroom, labeled as Control Unit and other parts
Cartoon of a teacher giving instructions to students in a classroom, labeled as Control Unit and other parts
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Memory Unit: The Notebook
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Cartoon notebook with pages labeled 'Data', 'Instructions', 'Results'
Cartoon notebook with pages labeled 'Data', 'Instructions', 'Results'
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Primary Memory: RAM and ROM
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    RAM: Temporary memory
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    Very fast
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    Data lost when power is off
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    ROM: Permanent memory
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    Stores startup instructions
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    Data stays even without power
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Secondary Memory
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    Hard Disk
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    SSD
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    Pen Drive
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    CD
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    Memory Card
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How CPU Works
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Animated flow: Keyboard → CPU → Monitor with example 'Type HELLO → CPU processes → HELLO appears on screen'
Animated flow: Keyboard → CPU → Monitor with example 'Type HELLO → CPU processes → HELLO appears on screen'
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Fun Activity: Arrange Correctly
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    Input
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    CPU
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    Output
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Quiz Time!
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    What does CPU stand for?
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    Which part of CPU does math?
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    Is RAM temporary or permanent?
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    Name one input device.
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    What is the brain of the computer?
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Interesting Facts
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    CPU performs millions of calculations every second
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    CPU is called the Brain of the Computer
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    Without CPU, the computer cannot work
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    Modern CPUs are very small but very powerful
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Summary
Thank You! Any Questions?

Revised computer basics • Learned about CPU, ALU, and Control Unit • Understood Memory Unit, RAM, and ROM • Explored secondary memory

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