12th Class Computer Science MCQS Chapter 9

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12th Class Computer Science MCQS


The number of bytes used by int data type in C is:
16
8
12
2

Which is a valid statement for initializing of a variable?
char grade=’a’
int x=50, y=75;
int n=100;
All of these

Which of the following statement is correct?
string black=’white’;
float num1;num2;
int continue=5.0;
int day,night;

DBA Stands for
Database administer
Database application
Database accumulator
Database administration

The number of bytes used by long int data type in C is:
4
16
2
12

Which data type is used to store numeric value with no decimal point?
All
float
int
char

Which of the following data type offers the highest precisions
Long int
Long double
Unsigned long unit
Float

Variables are created in
Hard disk
Rom
Ram
Cache

A memory location with some data can be changed is celled:
Named constant
Variable
Constant
Address

Another way to write the value 3452211903 is:
3.45E-09
3.45E+09
3.45E+18
3.452211903

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