Basic, C++

Basic

Question: The name of a variable is called an ______.
A
identifier

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Question: Which of the following is/are not the valid identifier(s)?
A
x

B
x$y

C
_X

D
3X

E
X_Y

F
x_35

G
x.y

H
$x

I
34

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Question: C++ is case-sensitive language.
A
True

B
False

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Question: Predefined identifier are all keywords and reserved words.
A
True

B
False

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Question: Float type of identifier can occupy ______ byte(s) of memory.
A
1

B
2

C
8

D
4

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Question: Which of the following is not the correct data type in c++?
A
long float

B
long double

C
long int

D
long

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Question: Which of the following is/are not correct escape sequence(s)?
A
\r

B
\\

C
\'

D
\b

E
\$

F
\?

G
\p

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Question: An automatic conversion of type is sometimes called a type ______.
A
coercion

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Question: Which of the following type casting is/are not correct?
A
int a=5;
double b= (double)a;

B
int a=5;
double b= a;

C
int a=5;
double b= double (a);

D
int a=5;
double b= double a;

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Question: Which of the following function(s) is/are defined in <iostream>?
A
cin

B
cout

C
cerr

D
printf

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Question: The name of a variable is called an ______.