DISTANCE EDUCATION
P.G.D.C.A. EXAMINATION, DECEMBER 2017.
First Semester
DIGITAL COMPUTER ORGANIZATION
(2011 Calendar Year onwards)
Time Three hours Maximum 100 marks
SECTION A — × 8 40 marks)
Answer any FIVE questions.
1. Covert the following numbers from the given base to the
bases indicated
225.22510 to
2AC5.D16 to
2. Explain four-variable Karnaugh map with an example.
3. Explain 3-to-8 line decoder with its logical circuit.
4. Write short note on Full Adder.
5. Explain Binary counters with its logic diagram.
6. Give a brief account on Magnetic Disk Memories.
7. List out and explain the different types of control
instructions for microprocessor.
8. Explain Input Output Processors.
Sub. Code
11
DE-2329
2
ws 8
SECTION B — x 15 60 marks)
Answer any FOUR questions.
9. Give a detailed description on binary codes.
product of maxterms form.
10. Explain the Multiplexer and Demultiplexer with its logic
diagram and function tables.
11. Discuss the implementation of half-subtractor and fullsubtractor
with suitable examples.
12. Write short notes on
Clocked R-S flip-flop.
Jk flip-flop.
13. Describe static and dynamic RAM with its block diagram.
14. Briefly explain the process of Direct Memory Access.