1. …………………. have separate address space.
(A) Polled I/O
(B) Isolated I/O
(C) Memory Mapped I/O
(D) None of all
2. In ………….. microprocessor manually checks if there are any I/O requests available.
(A) Memory Mapped I/O
(B) Isolated I/O
(C) Polled I/O
(D) None of all
3. ISR is a -----------------
(A) Hardware
(B) Both (A & B)
(C) Software
(D) None of all
4. Flag ------------ requests for service
(A) TF
(B) IF
(C) Both (A & B)
(D) None of all
5. There are ------- basic address decoding techniques used in 8086.
(A) 2
(B) 6
(C) 4
(D) 8