Punjab Technical University 2006 M.C.A DIGITAL PRINCIPLES AND COMPUTER ORGANIZATION - Question Paper

M.C.A. DEGREE exam - DIGITAL PRINCIPLES AND COMPUTER ORGANIZATION


Paper – IV DIGITAL PRINCIPLES AND COMPUTER ORGANIZATION

Time: 3 hours Maximum: 100 marks


PART A ans ALL ques.. (8 x five = 40 marks)


1. (a) Write a brief note on BCD number representation.
OR
(b) Briefly discuss the Basic Duality principle of Boolean algebra.


2. (a) elaborate PLA's? Briefly discuss.
Or
(b) discuss the principle of operation of NOR gate.


3. (a) Write a brief note on R-S flip flop.
Or
(b) discuss briefly the principle of operation of parallel binary adder.


4. (a) Write a brief note on master-slave flip flop.
Or
(b) discuss briefly the operation of a Binary coded decimal adder.


5. (a) discuss the main memory operations.
Or
(b) discuss the operation of a PUSH DOWN stack.


6. (a) Write a brief note on sequencing of control signals.
Or
(b) What is prefetching of micro instructions ? Briefly explain?



7. (a) Write a brief note on Grouping of control signals.
Or
(b) Write a brief note on Bit slices.


8. (a) discuss briefly the concept of virtual memory.
Or
(b) Write a brief note on semi conductor ROM memories.


PART B ans ALL ques.. (5 x 12 = 60 marks)


9. (a) decrease the subsequent expression using K-map and implement in universal logic
m (0,1,2,3,4,6,8,9,10,11).
Or
(b) discuss in detail about NAND to NAND and NOR to OR gate networks.


10.(a) define in detail the principle of operation of a Binary counter.
Or
(b) discuss in detail the shift operation


11.(a) define in detail the various addressing methods.
Or
(b) discuss in detail about INPUT-OUTPUT programming.


12.(a) discuss in detail about distributed computing.
Or
(b) define in detail about micro programmed control.


13.(a) discuss in detail about multiple module memories and Inter leaving.
Or
(b) define in detail about memory management.

Earning:   Approval pending.