BCA-03
June Examination 2017
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 up to 30 words. Each question carries 2 marks.
What is the requirement of Boolean algebra
What is the use of load line
What is the property of demorgen's theorem
What is full form of POS
What is Biasing
What is Donor concentration in semiconductors
What is property of ideal diode
285
BCA-03 300 3 (P.T.O.)
BCA-03 300 3 (Contd.)
285
(viii) Which type of device is diode
Write any two acceptor atoms name.
Write Pauli Exclusion rule.
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 effect of various types of breakdown regions.
Discuss the working of CB amplifier.
Discuss why collector current is less than emitter current
Explain role of early effect in transistors.
Discuss the working of half wave rectifier using crystal diode.
Describe AC and DC resistances of crystal diodes.
Describe the designing of CMOS devices and their use.
Explain Fermi Dirac energy function of semiconductors.
BCA-03 300 3
285
Section C 2 × 20 40
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum up to 500 words. Each question carries
20 marks.
10) Explain various type of Electrical Wiring according to their use.
11) Draw the AND GATE, NAND GATE and EX-OR GATE using
NOR GATE.
12) Explain various types of Series and Shunt biasing operations
of Clamper diode circuit.
13) Explain current characteristics of PNP transistor and also
discuss the leakage current behaviour.