Saurastra University 2006 B.Sc Information Technology Fundamental of Electronics - Question Paper

SP-1948    Seat No._

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B. Sc. (I.T) (Sem. - II) Examination April/May - 2006 Fundamental of Electronics

[Total Marks : 100

(1)    This question paper contains five questions.

(2)    Figures to the right indicate full marks.

(3)    Illustrate your answers with neat sketches.

1.    Answers the following any FOUR

1.    Discuss the different types of Resistors.

2.    Explain the working of Transistor as a Switch.

3.    Discuss Intrinsic and Extrinsic semiconductors.

4.    Explain CE configuration circuit with equations.

5.    Discuss I-V characteristic of diode.

6.    Explain Half wave rectifier.

2.    Write a detail note on CRO. Draw block diagram and explain each parts of CRO.

3(a). Explain following logic gates with truth table

1.	AND
2.	OR
3.	NAND
4.	NOR
5.	EX OR
6.	EX NOR

OR

3(a). Discuss the drain characteristics of n channel JFET.

Also, compare BJT and JFET.

3(b). Write a brief note on Full Wave rectifier and Bridge rectifier with necessary circuit diagram. Also, compare both.

4. Answers the following : any TWO

1.    Write Monolithic IC fabrication steps with necessary figures.

2.    Explain multiplexer and demultiplexer in detail.

3.    Write a brief note on Multimeter.

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