1) Explain why we use XRA A instructions in detail?
2) What do you mean by Microcontroller and Microcomputer?
3) Describe Flags in detail with suitable example.
4) How does the microprocessor distinguish between data and instruction?
5) Describe the architecture of microprocessors 8085.
6) Describe the pin diagram of 8085.
7) Describe the requirement of a program counter, stack pointer and status flags in the architecture of 8085 microprocessor.
8) Describe the memory mapped i/o addressing scheme in detail.
9) Design and describe the timing diagram of memory read cycle in detail.
10) Design and describe the timing diagram of memory write cycle with suitable example.
11) Design and describe the timing diagram of opcode fetch cycle.
12) Describe the direct addressing modes and indirect addressing modes of 8085 with suitable example.
13) Describe stack and describe stack related instructions in detail.