Quiz on Data Types in C

Which of the following is a valid C data type for representing a floating-point number?

• int

• char

• float

• bool

What is the size of an int data type on most 32-bit systems?

• 1 byte

• 2 bytes

• 4 bytes

• 8 bytes

Which data type would you use to store a single character in C?

• char

• int

• float

• double

What is the range of values for an unsigned int in C?

• -2,147,483,648 to 2,147,483,647

• 0 to 4,294,967,295

• -128 to 127

• 0 to 255

Which of the following data types has the highest precision for floating-point numbers?

• float

• double

• long double

• int

What is the size of a char data type in C?

• 1 byte

• 2 bytes

• 4 bytes

• 8 bytes

Which data type should be used to store large integers that exceed the range of int?

• short

• long

• long long

• float

What will be the output of the following code snippet? int x = 10; float y = 5.5; printf("%d", x + y);

• 15

• 15.5

• 10

• Error

Which of the following is not a valid data type in C?

• long

• short

• byte

• unsigned

How do you declare a variable x of type unsigned long?

• unsigned long x;

• long unsigned x;

• unsigned x long;

• Both A and B