Question

A variable of type unsigned short stores a value of 0. If the variable value is incremented, what exception will occur?A. No exception.B. Underflow.C. Overflow.A variable of type unsigned char stores a value of 255. If the variable value is incremented, what exception will occur?A. No exception.B. Overflow.C. UnderflowA variable of type unsigned int stores a value of 4,294,967,295 If the variable value is decremented what exception will occur?A. No exception.B. Overflow.C. Underflow.

Answer 1

There are different kinds of variable. The answers are below;

• If the variable value is incremented, therefore, No exception will occur.
•  If the variable value is incremented, An Overflow will occur
• If the variable value is decremented no exception will occur.

What is Underflow?

Underflow is a known to be a process or exception that happens if a number calculation is too small to be shown by the CPU or memory.

what causes a overflow is the Adding to a variable when its value is at the upper end of the datatype range.

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