12th Class ICS Computer Science Chapter 9 Online MCQ Test for (Elements of C)

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MCQ's Test For Chapter 0 "ICS Part 2 Computer Science Chapter 9 Online Test"

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ICS Part 2 Computer Science Chapter 9 Online Test

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Question # 1

Which data type is used to store numeric value with no decimal point?

Question # 2

Which of the following is a valid character constant?

Question # 3

Which of the following is not a good primary key

Question # 4

The exponential notation consists of:

Question # 5

A memory location with some data that cannot be changed is called:

Question # 6

Which is true about a variable?

Question # 7

A memory location with some data can be changed is celled:

Question # 8

A primary key that consists of more than one attribute is called a

Question # 9

What happens when the result of a calculation exceeds the capacity of data type?

Question # 10

A category of data or information that describes an entity is called

Question # 11

Which of the following statement is correct?

Question # 12

The number of bytes used by double data type in C is:

Question # 13

Which of the following is used to separate each variable while declaring more than one variable on the same line?

Question # 14

Variable are created in:

Question # 15

Which of the following operations has lowest precedence?

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ICS Part 2 Computer Science Chapter 9 Online Test MCQ's

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Sr.# Question Answer
1 The exponential notation consists of:
A. Mantissa
B. Exponent
C. Range
D. A and B
2 A memory location with some data can be changed is celled:
A. Constant
B. Variable
C. Named constant
D. Address
3 Which of the following is used to separate each variable while declaring more than one variable on the same line?
A. Commas
B. Colons
C. Pipes
D. Semicolons
4 A process of assigning initial value to a variable at the time of declaration is called:
A. Assigning
B. Initializing
C. Naming
D. setting
5 Which of the following is NOT a valid identifier?
A. return
B. myInt
C. myInteger
D. total3
6 Which term describes the kind of values that a variable can store?
A. Varaible name
B. Datatype
C. Varaibletype
D. Varaiblesize
7 The number of bytes used by long int data type in C is:
A. 2
B. 4
C. 12
D. 16
8 Which of the following are required to declare a variable?
A. keyword
B. Variable name
C. Data type
D. Both b and c
9 a+=b is equivalent to
A. a+=b
B. a=+b
C. a=a+b
D. b=b+a
10 A memory location with some data that cannot be changed is called:
A. Constant
B. Variable
C. Keyword
D. Address
11 The float, long float and double data types are known as:
A. Integer data
B. character data
C. Integral data
D. Real data
12 Relational operators are used to
A. Establish a relationship among variables
B. Compare two values
C. Construct compound condition
D. Performs arithmetic operators
13 Which of the following is not a good primary key
A. Social security number
B. Order number
C. Zip code
D. STD ID number
14 Variable are created in:
A. RAM
B. ROM
C. Hard Disk
D. USB
15 Which variable should be used to store the value "I want an A in this exam".
A. char
B. int
C. float
D. character

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