Exam Details

Subject digital computer organization
Paper
Exam / Course p.g.d.b.m.
Department
Organization Alagappa University Distance Education
Position
Exam Date May, 2018
City, State tamil nadu, karaikudi


Question Paper

DISTANCE EDUCATION
P.G.D.C.A EXAMINATION, MAY 2018.
First Semester
DIGITAL COMPUTER ORGANIZATION
(2011 Calendar Year onwards)
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Write about binary storage and registers.
2. Explain 4 to line multiplexer with its logic diagram.
3. Write about parallel binary adder with suitable example.
4. Write short note on Master slave Flip-flops.
5. Compare and contrast static RAM with dynamic RAM.
6. Give a brief account on execution cycle for a
microcomputer system design.
7. Write about programmed input output processors.
Sub. Code
11
DE-3429
2
wk4
SECTION B — × 15 60 marks)
Answer any FOUR questions.
8. Convert the following numbers from the given base to the
bases indicated.
Binary 11010111.110 to decimal
Octal 623.77 to binary
Decimal 225.25 to binary.
9. Discuss the fundamental concepts of Boolean algebra
with examples.
10. Explain half-subtractor and full-subtractor with
examples.
11. Give a detailed description on Binary counters.
12. Write short notes on
Magnetic Disk Memories
Magnetic Tape
14. Explain the process of Direct Memory Access with its
block diagram.
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