BCA-03
June Examination 2016
BCA Pt. I Examination
Basic Electronics
Paper BCA-03
Time 3 Hours Max. Marks 100
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 10 × 2 20
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
Write the statement of Kirchoff's Current Law.
What is biasing process in semiconductors?
What is diffusion?
What is edge triggering in digital?
What is flip flop in digital?
What is duality property in digital?
What is inductance?
(viii) What are the latches in digital?
285
BCA-03 200 3 (P.T.O.)
BCA-03 200 3 (Contd.)
285
Define rectification.
Which kind of device is FET?
Section B 4 × 10 40
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 10 marks.
Describe the wiring system with suitable diagram.
Describe differences between CB CE and CC configuration
of BJT.
Describe diode as a switch.
Explain briefly clipper and clamper applications of diode with
any example.
Describe T-flip flop with state table and state diagram.
Describe Thevenin's theorem of circuit analysis.
Describe all possible combinations of Boolean algebra.
Explain briefly the Earthing principle.
BCA-03 200 3
285
Section C 2 × 20 40
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
20 marks.
10) What do you mean by Race condition? Explain the working of
JK flip flop with the help of symbolic diagram.
11) Explain 4-bit synchronous counter with their timing diagram
and operation.
12) What do you mean by rectifiers? Also explain its working.
13) Explain intrinsic and extrinsic semiconductors.