DISTANCE EDUCATION
M.C.A. DEGREE EXAMINATION, DECEMBER 2017.
First Semester
DIGITAL COMPUTER ORGANIZATION
(2005 to 2010 Calendar Year)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
x 20 100)
1. Convert the decimal number 153.513 into binary
and octal.
2. Design a Half adder and explain.
Explain how can you perform addition and
subtraction in a parallel arithmetic element.
Sub. Code
12
DE-2743
2
ws 8
3. Explain the working principle of clocked
RS flip-flop.
Write about shift registers.
4. Discuss about fetch and execute cycle.
Describe the sequence of operations of control
registers.
5. What are interrupts? How priority is established?
Describe the organization of IOP.
6. Design a BCD counter and explain.
Explain the need of secondary memory.
7. Draw the block diagram of decoder and explain.
Write about character codes.