RSCIT Module Chapter 1

Computer Introduction

Computer ek electronic machine hai jo input data ko process karke meaningful output deta hai. Ye fast, accurate aur reliable device hota hai jo aaj har field me use ho raha hai. Education, banking, business aur communication sab me computer ka important role hai. Computer IPO Cycle par kaam karta hai jisme input, processing aur output shamil hote hain.

Computer ek programmable electronic device hai jo instructions ke according data process karta hai. Ye data ko store bhi karta hai aur future me use ke liye retrieve bhi kar sakta hai. Computer ka kaam IPO Cycle par based hota hai — Input → Process → Output. Is process me user keyboard ya mouse se input deta hai, CPU usko process karta hai aur monitor ya printer par output milta hai.

Computer ke main components hote hain:

• Input Devices – Keyboard, Mouse, Scanner
• Output Devices – Monitor, Printer, Speaker
• CPU – Computer ka brain (ALU, CU, Registers)
• Memory – RAM, ROM, Hard Disk

Computer ki main khasiyat speed, accuracy, storage aur automation hai.

Quick Reference Keys
Ctrl + C → Copy ,Ctrl + V → Paste , Ctrl + X → Cut
RSCIT Exam Guide
  • Ch. No: 1
  • Weightage: 2-4 Marks
  • Lang: Hindi/Eng
Resources
  • i-Learn Questions
  • PDF Hindi Notes
  • Old Paper Solved