I/O STATEMENTS IN C

Which of the following correctly shows the hierarchy of arithmetic operations in C?

• / + * -

• * - / +

• + - / *

• / * + -

Which of the following is the correct usage of conditional operators used in C?

• a>b ? c=30 : c=40;

• a>b ? c=30;

• max = a>b ? a>c?a:c:b>c?b:c

• return (a>b)?(a:b)

What is a format specifier in C language.?

• A format Specifier tells compiler to treat a variable value is predefined way.

• Different format specifiers are used to print different type of data.

• Format specifiers are used to write data to files in a formatted way.

• All the above

Which among the following is the odd one out?

• printf

• fprintf

• putchar

• scanf

For a typical program, the input is taken using _________

• scanf

• Files

• Command-line

• All of the mentioned

What is the value of EOF?

• -1

• 1

• 0

• 10

What is the use of getchar()?

• The next input character each time it is called

• EOF when it encounters end of file

• The next input character each time it is called EOF when it encounters end of file

• None of the mentioned

What is the return value of putchar()?

• The character written

• EOF if an error occurs

• Nothing

• Both character written & EOF if an error occurs

Choose a C Formatted Input Output function below.

• printf(), scanf()

• sprintf(), sscanf()

• fprintf(), fscanf()

• All the above

Choose a correct C statement.?

• SCANF can accept all types of data from keyboard including numbers and strings

• GETS can accept only one String of any length and any number of words. GETCHAR can accept only one character constant from keyboard.

• SCANF can accept only single word Strings

• All the above