Choose the correct answer

1) If variable A=0xAB & variable B=B1100 1101, and you execute the instruction A=A+B, what's the contents of variables A, B after the execution:

a) CD, AB b) AB, CD c) 178, 00 d) 178, CD e) 78, CD

2) In the instruction above, if we test for the result to be either Negative or Zero (N, Z), after execution what would be the values of the conditions N, Z where 1 means true and 0 means false:

a) 0,0 b) 0,1 c) 0,0 d) 1,0 e) 1,1

3) If variable A=B 1100 1101 & Variable B=0253, and you execute the instruction A=A-B, what's the contents of A, B after the execution:

a) 65, AB b) 22, 00 c) 44, CD d) 22, AB e) CD, AB

4) If variable A=0x05 & register B=0x10, and you compare the variables with the instruction (a>=b), what's the contents of A, B after the comparison:

a) 05, 10 b) 15, 05 c) F1, 00 d) F1, 10 e) 15, 00

5) In the instruction above, what's the value of the N, Z conditions after the execution:

a) 0,0 b) 1,0 c) 0,1 d) 1,1 e) 0,0

6) If A = 0xAB, and you execute a shift right instruction A=A>, what is the contents of A after the execution.

a) 55 b) 56 c) 56 d) 0xD5 e) 55,1