Carry out BCD subtraction for (68) – (61) using 10’s complement method.
A. 00000111
B. 01110000
C. 100000111
D. 011111000
Answer:A
Carry out BCD subtraction for (68) – (61) using 10’s complement method.
A. 00000111 B. 01110000 C. 100000111 D. 011111000
Explanation: First the two numbers are converted into their respective BCD form using 8421 sequence. Then binary subtraction is carried out.