Microprocessor and Interfaces

What is a Microprocessor?

Define Bus.

What is the function of the Accumulator?

Mention the purpose of the Program Counter (PC).

Define Interrupt.

What is the difference between maskable and non-maskable interrupts?

Define Machine Cycle.

What is the purpose of the 8255 PPI?

Define Baud Rate.

What is the function of the ALE signal in 8085?

Explain the internal architecture of the 8085 microprocessor.

Describe the addressing modes of the 8085 with examples.

Explain the flag register of the 8085.

Describe the pin diagram and functions of the 8085.

Explain the concept of Memory Mapping and I/O Mapping.

Discuss the 8259 Programmable Interrupt Controller (PIC).

Explain the asynchronous data transfer scheme.

(a) Discuss the architecture of the 8086 microprocessor in detail. (b) Explain the memory segmentation in 8086.

Describe the instruction set of the 8085 microprocessor with examples.

Explain the interfacing of 8255 PPI with 8085 microprocessor.

Discuss the 8237 DMA Controller and its operating modes.

Write an assembly language program for 8085 to find the largest number in an array.