| Other 86 Family Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| What is a program counter? What is its use? | | 3 |
| In a processor these are 120 instructions . Bits needed to
impliment this instructions
[a] 6 [b] 7 [c] 10 [d] none
| Wipro | 1 |
| Which line will be activated when an output device require
attention from CPU? | | 1 |
| What is the difference between MOV and MVI? | | 8 |
| Why are program counter and stack pointer 16-bit registers? | HCL | 1 |
| What does it mean by embedded system? | | 7 |
| Difference between 80286 and 80287 | Mascot | 2 |
| Give a circuit to divide frequency of clock cycle by two ? | | 3 |
| What are tri-state devices and why they are essential in a
bus oriented system? | Keane-India-Ltd | 1 |
| What is the function of accumulator? | | 2 |
| What is PSW? | DRDO | 5 |
| What are the different addressing modes in 8085? | Syntel | 14 |
| 7. What are tri-state devices and why they are
essential in a bus oriented system? | Wipro | 3 |
| How do you detect a sequence of "1101" arriving serially
from a signal line? | | 2 |
| Which type of architecture 8085 has? | Sasken | 4 |
| What are the functions of RIM, SIM, IN? | | 5 |
| 8085 is how many bit microprocessor? | | 11 |
| What happens during DMA transfer? | | 5 |
| Why is data bus bi-directional? | Wipro | 2 |
| How many memory locations can be addressed by a
microprocessor with 14 address lines? | | 3 |
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