1. The size
of 8086 16 bit is decided by
a. Control Bus b.
Data Bus
c. Address Bus d. Flag register
2. The size of address bus of 8086 is
a. 16 bit b. 32 bit
c. 20 bit d. 64 bit
3. Which one is/are control flag in flag register?
a. Trap flag b.
Interrupt flag
c. Direction Flag d. All of these
4. How many pins are there in
8086 microprocessor?
a. 24 b. 28 c. 40 d.
16
5. How many pins are there in
8251 USART chip?
a. 24 b. 28 c. 40 d.
16
6. How many pins are there in
8253 PIT chip?
a. 24 b. 28 c. 40 d.
16
7. How many pins are there in
8255 PPI chip?
a. 24 b. 28 c. 40 d.
16
8. How many pins are there in
8237 DMA chip?
a. 24 b. 28 c. 40 d.
16
9. How many pins are there in
8259 PIC chip?
a. 24 b. 28 c. 40 d.
16
10. How many pins are there in
8279 KDC chip?
a. 24 b. 28 c. 40 d.
16
