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]