APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIFH SEMESTER B.TECH DEGREE MODEL EXAMINATION, NOVEMBER 2017

Department: Computer Science and Engineering

Subject: - CS305: MICROPROCESSORSAND MICROCONTROLLERS

Time: 3 hours
MaxMarks: 100

PART A
(Answer all questions)

1) Explain the following
a) Segment Register
b)Pointer and Index Register
c)Flag Register

2) State the comparison between 8086 and 8088
3) Define Macros and explain passing parameters in macros

4) Explain the use of Stack in 8086.
Total:
(12marks)

PART B
(Answer any two full questions)
5) Explain Minimum 8086 and Maximum mode 8086 System and Timing with diagram.
6) Descibe the adressing mode in detail with examples

7) Explain Data/Copy Transfer Instructionsin instruction Set 8086

Total: (18marks)

PART C
(Answer all questions)
8) Explain types of Interrupts and Interrupt Service Rotine.
9) How will handlle interrupt in 8086
10) Write the Contol Word Format in 8255.

11) Eplain about Programmable Interrupt Controller in 8259

Total: (12marks)