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A

Section A: Long Answer Questions

Attempt any TWO questions.

3 questions·10 marks each
1long10 marks

Draw and explain the internal architecture of the Intel 8085 microprocessor with a neat block diagram, describing the function of each functional block.

8085architecture
2long10 marks

Explain the different addressing modes of the 8086 microprocessor with suitable examples for each.

8086addressing-modes
3long10 marks

Describe the memory and I/O interfacing of a microprocessor. Explain memory-mapped I/O and isolated (I/O-mapped) I/O with their advantages and disadvantages.

interfacingio
B

Section B: Short Answer Questions

Attempt any EIGHT questions.

9 questions·5 marks each
4short5 marks

Define microprocessor and microcontroller. Differentiate between them.

basics
5short5 marks

What is the function of the ALU in a microprocessor?

architecture
6short5 marks

Explain the flag register of the 8085.

8085flags
7short5 marks

What is an instruction cycle?

timing
8short5 marks

List the segment registers of the 8086.

8086registers
9short5 marks

What is a machine cycle?

timing
10short5 marks

Differentiate between RISC and CISC architectures.

architecture
11short5 marks

What is the use of the stack pointer?

stack
12short5 marks

Explain the term 'addressing mode'.

addressing-modes