Saturday, November 21, 2015

GNDU Principal of Digital Electronics BCA 2010 Question paper

Are you searching GNDU University Question papers? Here you can get Guru Nanak Dev University B.C.A Computer Application Principal of Digital Electronics Question paper.
Guru Nanak Dev University
B.C.A Computer Application
Principal of Digital Electronics
BCA Ist year
April 2010 Question paper

Time Allowed : 3 Hours

Maximum Marks : 100

Note: Attempt any five questions in all. All questions carry equal marks.

1. Discuss various features of TTL, STTL and CMOS families and give their transfer characteristics.[Marks 20]

2. (a) Discuss voltage divider biasing scheme.[Marks 10]

(b) Explain working of FETs.[Marks 10]

3. (a) Show that NAND gates are universal gates.[Marks 10]

(b) Design a half-adder using NAND gates only.[Marks 10]

4. Explain the working principle of any DAC converter.[Marks 20]

5. Discuss any microprocessor compatible ADC and its interfacing.[Marks 20]

6. Discuss one error detecting and error correcting code each.[Marks 20]

7. Discuss the address selection logic for a ROM chip. Draw read and write control timing diagram. Compare PROM and EPROM.
[Marks 20]

8. Discuss the working and truth table of J-K flip-flop. Give its limitation and suggest any solution.[Marks 20]

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