Assignment/Tutorials
Very Short Answer Type
1. What are the various registers in 8085?
2. In 8085 name the 16 bit registers?
3. What are the various flags used in 8085?
4. What is Stack Pointer?
5. What is Program counter?
6. Which Stack is used in 8085?
7. What happens when HLT instruction is executed in processor?
8. What is meant by a bus?
9. What is Tri-state logic?
10. Give an example of one address microprocessor?
11. In what way interrupts are classified in 8085?
12. What are Hardware interrupts?
13. What are Software interrupts?
14. Which interrupt has the highest priority?
15. Name 5 different addressing modes?
16. How many interrupts are there in 8085?
17. What is clock frequency for 8085?
18. What is the RST for the TRAP?”
19. In 8085 which is called as High order / Low order Register?
20. What are input & output devices?
21. List the limitations of 8085?
22. What is DMA?
23. Define machine cycle and instruction cycle?
24. Why address bus is unidirectional?
25. List few instructions to clear accumulator?
26. What is the function of NOP instruction?
Short Answer Type Questions
1 Draw the block diagram of 8085 mp and explain?
2 Write an assembly language program to add two 2-digits BCD Number?
3. Explain the instruction set of 8085?
4. Write notes on status flag?
5. Explain the architecture of 8085 with the help of a block diagram?
6. Explain the similarities diff b/w subtract and compare instructions in 8085?
7. Describe the sequence of event that may occur during the different T state in the opcode fetch
machine cycle of 8085?
8. List out the maskable and non maskable interrupts available in 8085?
9. How do the instructions of 8085 is classified based on their function and word length? Give an
example?
10. Write an ALP to Add two 8-bit numbers?
Descriptive Questions
1. Explain Pin Diagram of 8085?
2. Discuss the Detailed design of 8085?
3. Define and Explain Tri-Sate Devices with Suitable Example?
4. Explain and Discuss of Text Editor?
5. Discuss Device Drivers?
6. Write Short Note:

Semantic Analysis

Syntax Analysis

Lexical Analysis
7. Explain Code Optimization?
8. Discuss Subroutine and Linkage in MP?
9. Explain Difference between Compiler Vs Interpreter ?
10.Discuss Macro and Its Passes ?
11. Explain Assembler and Its Passes?