DISTANCE EDUCATION
M.C.A. DEGREE EXAMINATION, MAY 2018.
First Semester
DIGITAL COMPUTER ORGANIZATION
(2005 to 2010 Calendar Year)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
All questions carry equal marks.
x 20 100)
1. Explain any four number conversion techniques from one base to another base.
Describe the number codes and character codes in detail with an example.
2. Write in detail about basic theorems and properties of Boolean algebra.
Discuss the role of complements in binary arithmetic.
3. State and prove De Morgan's theorem.
Discuss Quine Mc Kluskey method with an example.
4. Simplify the Boolean function
12, 13, 14)
Using Four variable Karnaugh map.
Explain in detail about multiplexer and demultiplexer with logic diagrams.
Sub. Code
12
DE-3843
2
Sp 1
5. What are the different ways to represent a negative number? Explain.
Briefly explain about Half adder and full adder circuits with diagram.
6. Draw the circuits of master Slave flip flops and explain.
Explain the concept of BCD counter with neat diagram.
7. Describe the dynamic random access memory with pin diagram.
Discuss about magnetic disk memories and magnetic tape memories.
8. Write in detail about Instruction cycle and execution cycle.
Discuss about he interrupts and interrupt priorities.(10)