N A L A N D A O P E N U N I V E R S I T Y
Master of Computer Application Part-I
PAPER-II
(MCS-012: Computer Organization and Assembly Language Programming)
Annual Examination, 2017
Time 3 Hours. Full Marks 80
Answer any Five Questions.
All questions carry equal marks.
1. Convert the following
(10001100)2 )10
(7576)8 )16
(101011100110)2= )16
(D4CE)16
Explain the concept of fixed point and floating point representation.
2. Explain Von Neumann Architecture with diagram. What are the bottlenecks of Von Neumann
architecture?
3. Simplify the following using Karnaugh's map in terms of SOP and draw the circuit for the
output expression: F 11, 12, 13,15)
4. Discuss all the fundamental gates with diagram and their truth tables. What are universal
gates?.
5. Compare and contrast J-K flip-flop with master-slave flip-flop and draw their characteristic
tables. Also draw the circuit of these flip-flops.
6. Describe encoders and decoders. How are they different from S-R flip-flop? Explain.
7. What are interrupts? Discuss various types of interrupts. How interrupts are handled? Explain.
8. What is I/O Interface? Explain the major functions of I/O interface? What are the
advantages of using device controller?
9. Write an assembly language program to add two numbers and display their results.
10. Write short notes on any Four of the following
Direct Memory Access
Addressing schemes
Instruction Pipelining
Multiplexer
Basic CPU Structure