CODESTRY ROUND 1

1. 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. All keywords in C are in ____________

• a) LowerCase letters
  
  

• b) UpperCase letters

• c) CamelCase letters

• d) None of the mentioned
  
  

 

4. 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

5. Which is valid C expression?

• a) int my_num = 100,000;

• b) int my_num = 100000;
  
  

• c) int my num = 1000;
  
  

• d) int $my_num = 10000;
  
  

6. Which of the following cannot be a variable name in C?

• 
  a) volatile

• b) true

• c) friend
  
  

• 
  d) export

7. What is short int in C programming?

• a) The basic data type of C
  
  

• 
  b) Qualifier

• c) Short is the qualifier and int is the basic data type
  
  

• d) All of the mentioned

8. 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;”
  
  

9. Which keyword is used to prevent any changes in the variable within a C program?

• a) immutable

• b) mutable

• c) const
  
  

• d) volatile

10. What is the result of logical or relational expression in C?

• a) True or False
  
  

• b) 0 or 1
  
  

• c) 0 if an expression is false and any positive number if an expression is true
  
  

• d) None of the mentioned