Question 11493 – APPSC-2012-DL CA
March 27, 2024Question 11496 – APPSC-2012-DL CA
March 27, 2024Question 11495 – APPSC-2012-DL CA
Consider following two statements about I/O organization.
(I) An I/O port uses a flip-flop to implement memory cell.
(II) In DMA I/O peripheral device reads and writes memory without going through CPU.
Which one from the following is more appropriate?
Correct Answer: B
Question 25 Explanation:
S1 is false. An I/O port typically uses a latch rather than a flip-flop to implement the memory cell.
S2 is true.
S2 is true.
Statement (I) is true while (II) is false.
Statement (II) is true while (I) is false.
Both statements (I) and (II) are true.
Both statements (I) and (II) are false.