Chapter-1
(computer fundamental)
Computer 🖥 kya hai ?
Computer is an electronic machine.which is ca
pable of receiving information (date) in a particular from and performing a sequence of operation computer is a date processing machine which perform anithnethical and will as a logical funcation.
Date kya hai
Date 📅 are raw fact which is fidded into the computer.
What is hardware?
Hardware refer to the pyhsical components of computer system. 🖥
Software kya hota hai
Software refer to the program package 📦 raw on the computer 🖥.
Characteristics of computer .
(1 ) Speed
(2) Accuracy
(3) storage capacity
* computer ke father kaun hai?
Ans- charles babbage
- Computer ke all part ka full form and meanings
(1) ENIAC – Electronic numerical imtergrated and calculater
(2) CVT – constend voltage transformer
(3) BIOS – Basic imput output system
The main parts of computer system :- (1) keyboard :- keyboard is a input device.
It is used to type latter numbers, special symbal , function etc.
* How may keys are there in a keyboard ?
Ans:- 104 above key
(2) Moniter kya hai ?
Ans:- moniter is a output Device
(3) cpu kya hai ?
Ans:- cpu stand for center processing unit. Cpu is a main brain of computer.
(4) mouse kya hai ?
Ans:- mouse is a input device. There are two buttons left and ✅ right.
(5) Scanner kya hai :- Scanner is a input device . It is used to print the documents pictures 📷 etc.
(6) Printer kya hai🖨 :- printer is output decive. It is used to print 🖨 the documents pictures 📷 etc.
(7) speakers 🔊 kya hai ?
Ans:- speakers is a output device.