1. There are -------- software interrupts in 8086 microprocessor.
(A) 200
(B) 225
(C) 256
(D) 276
2. BOUND is a ------------------ interrupt instruction.
(A) Hardware
(B) None of all
(C) Not an
(D) Software
3. 8259 is a --------------------
(A) Programmable Keyboard/Display Interface
(B) Programmable Peripheral Interface
(C) Programmable interrupt controller
(D) Programmable Interval Timer
4. 8259 has ------- data bus buffer
(A) 32-bit
(B) 16-bit
(C) 4-bit
(D) 8-bit
5. INTO instruction checks or tests the ---------- flag.
(A) OF
(B) IF
(C) TF
(D) None of all