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.
- University: Government College of Engineering and Technology, Jammu
- Course: Advanced Microprocessor
- Branch: COMP.ENGG
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt any Five questions selecting at least two from each section.
Questions
SECTION-A
- Q1. a) Explain the functions of the following units with reference to 8086 CPU. (9) i) Instruction Queue ii) Index Registers iii) Segment Registers b) Explain the generation of 20-bit physical address in case of based addressing with 16-bit displacement. (5) c) List and explain the need of status and control flags in 8086. (6) [20 marks]
- Q2. a) With a neat sketch, explain the execution unit and bus interface unit of the 8086 microprocessor. (10) b) Write an assembly language program to arrange 10 bytes of data in descending order. (10) [20 marks]
- Q3. a) Draw the 8086 interrupt-pointer table and explain the dedicated interrupt pointers, reserved interrupt pointers and available interrupt pointers. (10) b) Explain the priority of 8086 interrupts. (5) c) Write a program to check if a given byte is bitwise palindrome. (5) [20 marks]
- Q4. a) What are Assembler Directives? Explain the following directives with an example for each: (10) i) ASSUME ii) PUBLIC and EXTERN iii) GLOBAL iv) ALIGN16 b) Define any four addressing modes used in 8086 microprocessor. Identify addressing modes used in each of the following 8086 instructions. (10) i) MOV BX, 0354H ii) ADD AL, [BX+04] iii) MOV AX, [BX+SI] iv) MOV AX, [BX+SI+04] [20 marks]
SECTION-B
- Q5. Define stepper motor. Explain the interfacing of a stepper motor to 8086 microprocessor with necessary circuit diagram. Write an ALP to rotate the stepper motor clockwise by n steps and anticlockwise by m steps. (20) [20 marks]
- Q6. a) Explain the 8087 architecture. Also explain the bit pattern of status register and control register. (12) b) Explain the different data types of 8087 with example. (8) [20 marks]
- Q7. a) Draw and discuss the architecture of 80286 and explain a typical function of each of the register. (14) b) List the salient features of pentium processor. (6) [20 marks]
- Q8. Write short notes on: (20) a) Coprocessor configuration in 8086 b) Loosely coupled systems [20 marks]