CS401 Fall 2011 Final Term Feb 2012 – VU Current Paper – 08 Feb 2012

Feb 08, 2012 08:00AM
Total 52 Questions
40 Mcq’s (Most of them were from past paper)

2 Marks:
Q1. Define Stack Data Structure? 2 marks
Q2. How many broad catogries video services are classified? 2 marks
Q3. What is programmer view of processor? 2 marks
Q4. INT-14-Serial-READ CHARACTER FORM PORT uses which two 8-bit registers to return to result? 2 marks
3 Marks:
Q5. Difference between two instructions?
mov byte [num1],5
mov word [num1],5

Q6. Write two different modes of video services of BIOS? Differentiate between both modes?
Q7. Define Triple Fault?
Q8. Difference between roles of segment-selector and segment-descriptor?
5 Marks:
Q9. How value of Stack pointer (SP) changes after every PUSH or POP instructions?
Q10. How to write disk sector using INT 13 service?
Q11. Write down instructions for data movement and arithmetic operations in Motorola 68K Processor?
Q12. How to load program using INT21 service?