Explain the architecture of 80386 with required figure. Highlight on its register organization.[10]
2.
Explain different addressing modes of 8086.[5]
Assembly Language Programming
1.
Write an assembly language program to find the largest number of an array using 8 bit microprocessor. (Assume appropriate array data and address where minimum array size of 15 should be considered)[10]
2.
Write an assembly language program for 8086 to read two strings and check whether they are same or not.[5]
Basic Architecture
1.
Explain the concept of multitasking in 80286.[5]
2.
What are the different kinds buses? How and why de-multiplexing of buses is carried out in 8085.[5]
Basic I/O, Memory R/W and Interrupt Operations
1.
Explain memory read operation with suitable figure.[5]
Input/ Output Interfaces
1.
What are the practical implications of asynchronous serial communication? Explain DTE-DCE connection according to RS-232 serial communication standard.[5]
2.
What is the purpose of Programmable Peripheral Interface 8255A? Explain about its different ports.[5]
Instruction Cycle
1.
What is instruction cycle? Draw timing diagram of MOV A, B. Make necessary assumptions.[10]
2.
Explain different types of instruction group of 8085.[5]
Introduction
1.
Write short notes on (Any TWO):a. LDT b. DMA c. Assemble directives[5]