Class-3 Subject-Computer Chapter-1 All about computer

 

EVENTS CONVENT HIGH SCHOOL
06/08/2021           CLASS-3             SESSION2021-22(SLOT-1)
COMPUTER
Chapter-1
All about Computer
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C.ANSWER THE FOLLOWING QUESTIONS:-

 Q.1. Define ‘Computer’?

Ans.1 A computer is an electronic machine.

Q.4 A Computer have some powerful features. Can you write any four of them?
Ans.4 Some of the common features of computer are:

a.    Speed

b.   Large memory

c.    Accuracy

d.   Never get tired and bored

 Q.5 CPU is called the brain of a computer. Why?

Ans.5 CPU is called the brain of a computer because it controls all the functions of a computer.

 Q.6 Write the name of few places where computer are used most commonly?

Ans.6 Places where computer used most commonly are School, Hospital,Bank Airport etc.

 

 

Class-1 Subject-Computer Chapter-1 Introduction of a Computer

 
EVENTS CONVENT HIGH SCHOOL
06/08/2021           CLASS-1             SESSION2021-22(SLOT-1)
COMPUTER
Chapter-1
INTRODUCTION OF A COMPUTER
_______________________________________

 2.ANSWER  THESE QUESTIONS

Q.1. What is an Electronic Machine?
Ans.1 Computer is an Electronic Machine.

Q.2 How does a monitor is look like?
Ans.2 Monitor is looked like a Television.

 

Class-5 Subject-Computer Chapter-1 Memory and Storage.

 EVENTS CONVENT HIGH SCHOOL
06/08/2021           CLASS-5             SESSION2021-22(SLOT-1)
COMPUTER
Chapter-1
Memory and Storage
_______________________________________

 C.ANSWER THE FOLLOWING QUESTIONS:-

 Q.1. What is the memory of a computer?

Ans.1 A computer has a huge storage capacity.This storage capacity of a computer is  called its memory.

Q.2 How many types of memory are found in the computer?
Ans.2 Computer has two types of memory.

(i) Primary or Internal Memory.
(ii) Secondary or External Memory.

Q.3 Define primary memory? Names its two types?
Ans.3 Primary memory is also known as the internal memory.it is the main memory of the computer system which is fixed on the mother board inside the CPU box.

PRIMARY MEMORY IS DIVIDED INTO TWO PARTS:
(i) RAM(Random Access Memory)
(ii) ROM(Read Only Memory)

Q.4 What is secondary Memory and Why is it used?
Ans.4 Primary can store limited amount of information even when electricity is turned on if we have to storage a large amount of information permanently, then  we need Secondary storage device.