Question

3- The only situation where overflow can never occur is A. Adding 2 positive numbers B. Adding 2 negative numbers C. Adding a positive to negative number D. It is impossible to guarantee that 4- The demultiplexer can be used to implement any sum of minterms expression A. True B. False 5- The arithmetic unite is basically an (Adder/subtractor) circuit plus A. Decoder B. Encoder C. Multiplexer D. Demultiplexer

Answer 1

3- The only situation where overflow can never occur is

C. Adding a positive number to a negative number

Because when a positive number is added to a negative number, the value of the result will definitely decreases. so the overflow never occur in this situation

4- The demultiplexer can be used to implement any sum of minterms expression

The answer is TRUE

5- The arithmetic unit is basically an (adder/subtractor) circuit plus

The answer is C. Multiplexer