BCA-03
December 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 Kirchhoff's Voltage Law.
What is drift current?
What is transistor?
What is work of zener diode?
Write about ripple factor.
What is Boolean algebra?
Write about logic gates.
(viii) What do you understand by Universal Gate?
285
BCA-03 200 3 (P.T.O.)
BCA-03 200 3 (Contd.)
285
What do you mean by UJT?
What do you understand by latches?
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.
Discuss the half wave rectifier using crystal diode.
Explain Thevenin's theorem of circuit analysis.
Discuss RS flip flop with state table and state diagram.
Explain the early effect in transistors.
Discuss SOP and POS process of K-MAP briefly.
Describe the importance of load line analysis.
Describe CMOs, NMOS, and PMOS.
Explain the working of CE amplifier.
BCA-03 200 3
285
Section C 2 × 20 40
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your
answer maximum upto 500 words. Each question carries
20 marks.
10) Explain Intrinsic and Extrinsic semiconductors in details.
11) Explain clipper and clamper applications of diode with examples
briefly.
12) Explain construction and characteristics of P-channel MOSFET
with neat and clean diagram, also define threshold voltage.
13) Explain 4 bit Asynchronous counter with their timing diagram
and operations.