SRM University 2008 M.C.A MC0505 - DIGITAL COMPUTER FUNDAMENTALS - Question Paper

PART - A (10 X two = 20 MARKS)
ans ALL ques.

1. Convert the decimal number 632.97 into octal and hexadecimal.
2. How will you represent negative numbers in binary machines?
3. Write the dual of the expression WX + YZ = 0.
4. Prove any 1 De Morgan theorem by induction.
5. What is the use of master-slave flip-flop?
6. What is function of D flip-flop?
7. Differentiate ranging from decoder and demultiplexer.
8. Write the expressions for difference borrow of half subtracter.
9. What is shift register?
10. What is ring counter?
PART - B (5 X 16 = 80 MARKS)
ans ANY 5 ques.
11. i. Convert the subsequent expression to sum-of-product form
(A+B)(B'+C)(A'+C).
ii. Convert the subsequent expression to product-of-sum form
A+A'B+A'C'.
12. Use Quine-McCluskey method and find the minimal sum for the subsequent function
F=?(2,4,6,7,8,10,11,15).
13. Design a full adder circuit using only NAND gates.
14. i. discuss the design SR flip flop in detail.
ii.How will you convert JK flip flop to T flip flop?
15. discuss the design of 4-bit shift register to shift the binary data to the left or to the right.
16. Design a counter for the sequence 000,010,100,101,001.
17. discuss the design of arithmetic and logic unit in detail.

Earning:   Approval pending.