Program Status Word (PSW) - MCQs with answers
Program Status Word (PSW) - MCQs with answers1. Which bit/s play/s a significant role in the selection of a bank register of Program Status Word (PSW)?
c. Both a & b
d. None of the aboveView Answer / Hide Answer2. Which flags represent the least significant bit (LSB) and most significant bit (MSB) of Program Status Word (PSW) respectively?
a. Parity Flag & Carry Flag
b. Parity Flag & Auxiliary Carry Flag
c. Carry Flag & Overflow Flag
d. Carry Flag & Auxiliary Carry FlagView Answer / Hide Answer
3. Which register bank is supposed to get selected if the values of register bank select bits RS1 & Rs0 are detected to be '1' & '0' respectively?
ANSWER: a. Parity Flag & Carry Flag
a. Bank 0
b. Bank 1
c. Bank 2
d. Bank 3View Answer / Hide Answer4. It is possible to set the auxiliary carry flag while performing addition or subtraction operations only when the carry exceeds ______________
a. 1st bit
b. 2nd bit
c. 3 rd bit
d. 4th bitView Answer / Hide Answer