c programming-Test 1

%d format specifier does

• used to print an integer value.

• used to print a string.

• used to display a character value.

• used to display a floating point value.

what is Global variable

• A variable which is declared inside function

• A variable which is declared outside function

• The scope of a variable is available within a function in which they are declared.

• Variables can be accessed only by those statements inside a function in which they are declared.

Who is the father of C language?

• Steve Jobs

• James Gosling

• Dennis Ritchie

• Rasmus Lerdorf

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

• int number;

• float rate;

• int variable_count;

• int $main;

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

• They can contain alphanumeric characters as well as special characters

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

• Variable names cannot start with a digit

• Variable can be of any length

Which is valid C expression?

• int my_num = 100,000;

• int my_num = 100000;

• int my num = 1000;

• int $my_num = 10000;

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

• volatile

• true

• friend

• export

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

• String str;

• char *str;

• float str = 3e2;

• Both String str; & float str = 3e2;

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

• True or False

• 0 or 1

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

• None of the mentioned

Functions in C Language are always

• Internal

• External

• Both Internal and External

• External and Internal are not valid terms for functions