1 Write and run a program that prints the sum, difference, product, quotient, and remainder of two integers that are input interactively.

2 Write and run a test program that shows how your system handles uninitialized variables.

3 Write and run a program that causes negative overflow of a variable of type short.

4 Write and run a program that demonstrates round-off error by executing the following steps:

(1) initialize a variable a of type float with the value 666666; (2) initialize a variable b of type float with the value 1-1/a; (3) initialize a variable c of type float with the value 1/b - 1; (4) initialize a variable d of type float with the value 1/c + 1; (5) print all four variables. Show algebraically that d = a even though the computed value of d ≠ a. This is caused by round-off error.