C Programming Quiz

Which of the following is true for variable names in C

• Variable names cannot start with a digit

• Variable can be of any length

• They can contain alphanumeric characters as well as special characters

• Reserved Word can be used as variable name

Which of these is NOT a relational or logical operator?

• =

• ||

• ==

• !=

What is the scope of an external variable?

• Whole source file in which it is defined

• From the point of declaration to the end of the file in which it is defined

• Any source file in a program

• From the point of declaration to the end of the file being compiled

The global variables are ____________.

• External

• internal

• both A & B

• None

The #include is a ______________.

• Inclusion directive

• File inclusion directive

• Preprocessor directive

• None of the above

Which of these properties of #define is false?

• These always obey the scope rules

• We can make use of a pointer to #define

• The #define can be externally available

• All of the above

Pick the correct syntax for Ternary Operator in C from the options given below:

• condition < expression1 ? expression2

• condition ? expression1 < expression2

• condition : expression1 ? expression2

• condition ? expression1 : expression2

Find the output of the given C statement. void main(){ int p=0; p = 5<2 ? 4 : 3; printf("%d",p); }

• 2

• 5

• 3

• 4

Find a C Storage Class below

• static

• auto

• register & extern

• All the above

How many keywords are there in C Language?

• 30

• 22

• 32

• 36