Day 14: Revision + Practice (Day 1–13 ka Easy Review)

Revision + Practice (Day 1–13 ka Easy Review)

1️⃣ Revision kya hota hai?

Revision ka matlab hai jo humne pehle padha hai usko dobara yaad karna।

👉 Simple shabdon mein:
Padhai ko dobara samajhna = Revision

Aaj hum Day 1 se Day 13 tak jo seekha hai uska simple revision karenge।

✅ PART 1: Quick Revision (Short Notes)

🖥️ Day 1: Computer

  • Computer ek electronic machine hai।

  • Kaam fast aur easy banata hai।

  • Types: Analog, Digital

⚙️ Day 2: Hardware vs Software

  • Hardware = Computer ke parts (Keyboard, Mouse)

  • Software = Programs (Windows, Word)

⌨️ Day 3: Input Devices

  • Input Devices = Data dene wale devices

  • Examples: Keyboard, Mouse, Scanner

🖥️ Day 4: Output Devices

  • Output Devices = Result dene wale devices

  • Examples: Monitor, Printer, Speaker

🧠 Day 5: CPU

  • CPU = Computer ka brain

  • Parts: ALU, CU, Registers

💾 Day 6: Memory

  • RAM = Temporary memory

  • ROM = Permanent memory

  • Cache = Fast memory

💽 Day 7: Storage Devices

  • HDD, SSD, Pen Drive

🔢 Day 8: Number System

  • Decimal = Human system

  • Binary = Computer system

🔁 Day 9: Binary → Decimal

  • Rule: digit × 2 ki power + sum

🔁 Day 10: Decimal → Binary

  • Rule: Divide by 2, remainder reverse

🖥️ Day 11: Operating System

  • OS = Computer chalane wala software

  • Examples: Windows, Linux, Android

🧩 Day 12: Types of OS

  • Windows = Computer

  • Linux = Secure & free

  • Android = Mobile

⚙️ Day 13: Functions of OS

  • Booting, Hardware control, Memory, Files, Security

✅ PART 2: Practice Questions (Students ke liye)

✍️ Objective Questions (MCQ)

Q1. Computer ka brain kya hota hai?
a) Monitor
b) CPU ✅
c) Mouse

Q2. RAM kaisi memory hai?
a) Permanent
b) Temporary ✅
c) Storage

Q3. Computer ka OS ka example kaunsa hai?
a) Windows ✅
b) Keyboard
c) Printer

✍️ Short Answer Questions

  1. Computer kya hai?

  2. Hardware aur Software mein difference likho।

  3. Input device ke 2 examples likho।

  4. Binary number system mein kitne digits hote hain?

  5. OS ke 2 functions likho।

✍️ Practice Work (Homework)

✅ Task 1:
Apne ghar mein jitne computer parts hain unke naam likho।

✅ Task 2:
Decimal number 8 ko binary mein convert karo।

✅ Task 3:
3 input aur 3 output devices ke naam likho।

✅ Motivation Line (Students ke liye)

💡 “Roz thoda padho, computer khud easy lagne lagega।”