CP- UNIT2 TEST

Which of the following format specifier is used to represent double datatype?

• %f
• %lf
• %ld
• %d

Data types are used to store data. Which of the datatype has no value?

• float
• int
• char
• void

How many bytes will long double data type occupy?

• 4
• 8
• 10
• 16

Keywords are pre-defined words in a C compiler. How many keywords are in C.

• 30
• 31
• 32
• 33

Format specifier tells compiler the datatype of the variable. What format specifier is used for string datatype?

• %c
• %d
• %f
• %s

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(goto, static)
• Variable names cannot start with a digit
• Variable name can start with $

Keywords are pre-defined words in a C compiler. How many keywords are in C.

• 30
• 31
• 32
• 33

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

• static
• const
• constant
• fixed

Keywords are pre-defined words in a C compiler. Keywords are written in ____________ case letters

• upper
• lower
• either lower or upper
• combined lower and upper

int x = 5; const int y = 10; Which of the following gives error?

• y = x;
• x = y;
• x = x + y;
• x += y