Dr.A.P.J.Abdul Kalam University
Bachelor of Engineering
First Semester Main Examination, Dec-2020
Fundamentals of Electronics Engineering (EC110T)
Branch-CSE/IT
Time: 3:00 Hrs Max Marks 70
Note : Attempt any five questions. All questions carry equal marks.
Q.1 (a) Explain conductor, insulator and semiconductor with their
energy band gap diagram.
(b) Describe N-Type and P-type semiconductor with energy Band
gap diagram.
Q.2 (a) Explain even signal and odd signal with example.
(b) Define continuous and discrete time signal with example.
Q.3 (a) Describe binary, octal, decimal and hexadecimal number
system with their radix.
(b) Describe the conversion process of Binary to other system and
octal to other system.
Q.4 (a) Describe half wave and full wave rectifier with suitable circuit
diagram.
(b) write shot notes on :-
(i) Clipping circuit
(ii) Clamper circuit
Q.5 (a) Define positive and negative logic in Binary number system.
(b) Describe Boolean algebra and its related all types of law?
Q.6 (a) Define energy & power signal with example.
(b) Explain unit step, parabolic, and impulse function with
example.
Q.7 (a) Realization of all logic grates using universal NAND GATE.
(b) Realization of all logic gate using universal NOR GATE.
Q.8 (a) What are complements? Define 1S, 2S, 7S, 8S, 9S, 10S, 15S,
and 16S complement.
(b) Describe the conversion process of decimal to other system and
hexadecimal to other number system.
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