Subject 2018 Question Paper — Government College of Engineering and T…

The 2018 Subject previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.

Instructions

Attempt five questions in all by selecting at least two questions from each section.

Q1. (a) Write an assembly language program to find the largest no. in a set of BCD numbers. (b) Discuss the memory banks of 8086 in detail. [20 marks]
Q2. (a) Discuss the minimum mode of 8086. Explain each block in detail. (b) Explain the addressing modes of 8086 with the help of suitable examples. [20 marks]
Q3. (a) Write any five assemble directives used in 8086 assembly language programming. (b) Write an assembly language program to scan a number in the list. [20 marks]
Q4. Explain with example the four different ways of passing parameters to and from the procedures. Discuss all types of jump instructions used in 8086. [20 marks]

Q5. (a) Describe the role of various functional registers of 80286. (b) Interface two 4K X 8 EPROMs and two 4K X 8 RAM chips with 8086. [20 marks]
Q6. (a) What is the status of the start bit on the RXD line for 8251 (in asynchronous mode only) and how does it differentiate between a valid start pulse and transient pulse. (b) Explain the Architecture of Pentium Processor in detail. [20 marks]
Q7. (a) What is the necessity of 8089 I/O processor ? Explain its Architecture. (b) Explain in detail how communication takes place between 8086 and 8089 processor. [20 marks]
Q8. (a) Show the interfacing of 8089 with 8086 $\mu\text{p}$. (b) Explain with neat diagram the working of 80486. [20 marks]