VAC C MCQ -28.10.23

1. Who is the father of C language?

• a) Steve Jobs
  
  
  

• b) James Gosling

• c) Dennis Ritchie

• d) Rasmus Lerdorf

2. Which of the following is not a valid C variable name?

• a) int number;

• b) float rate;

• c) int variable_count;

• d) int $main;

3. Which of the following is a valid data type in C?

• a) string

• b) boolean

• c) char

• d) double

4. What is the result of the expression 5 + 3 * 2?

• a) 10

• b) 11

• c) 13

• d) 16

5. Which of the following is a valid loop in C?

• a) for loop

• b) if loop

• c) while loop

• d) do-while loop

6. What is the result of the expression 10 / 3?

• a) 3

• b) 3.33

• c) 3.333

• d) 3.3333

All keywords in C are in ____________

• a) LowerCase letters

• b) UpperCase letters

• c) CamelCase letters

• d) None of the mentioned

Which of the following is true for variable names in C?

• a) They can contain alphanumeric characters as well as special characters

• b) It is not an error to declare a variable to be one of the keywords(like goto, static)

• c) Variable names cannot start with a digit

• d) Variable can be of any length

Which of the following declaration is not supported by C language?

• a) String str;

• b) char *str;

• c) float str = 3e2;

• d) Both “String str;” and “float str = 3e2;”

Which of the following typecasting is accepted by C language?

• a.Widening conversions

• b) Narrowing conversions

• c) Widening & Narrowing conversions

• d) None of the mentioned