Electronics Device and Logic Circuits | Question Paper 2077 | CTEVT Diploma | 2nd Year/2nd Part
DOWNLOAD PDF | of Question Paper | Electronics Device and Logic Circuits | CTEVT | 2nd Year/2nd Part | 2077.
Candidates are required to give their answers in their own words as far as practicable. The figures in the margin indicate full marks.
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Attempt Any Five questions.
1.
a) Differentiate between analog and digital signal with examples. Write down the advantages of two state operation. [2+6=8]
b) Solve the following: [4x2=8]
(i) (123.4)₈ = (?)₁₀
(ii) (2AC)₁₆ = (?)₈
(iii) Divide (1101)₂ ÷ (100)₂
(iv) Subtract (10101)₂ from (11010)₂
2.
a) State and prove De-Morgan's theorem. [5+3=8]
b) Reduce the following logical expression or function. [4+4=8]
i) AB + A + A
ii) F(A,B,C,D) = 𝛴m (1,5,7,8,9,10,11,12,13,14,15)
3.
a) Define Multiplexer. Explain the operation and truth table of 8:1 multiplexer. [2+6=8]
b) Explain the operation of CMOS as NOR gate with a diagram. [8]
4.
a) Define Flip-Flop. Explain the operation of 'JK' Flip-Flop. [8]
b) Explain the operation of successive approximation analog to digital (ADC) conversion with a diagram. [8]
5.
a) Draw and explain the basic architecture 8085 microprocessor. [8]
b) Explain about the application of counter using digital clock. [8]
6. Write short notes on: (Any Four) [4x4=16]
(a) Ring counters.
(b) 14 segment display.
(c) EEPROM and EEROM.
(d) Shift Register.
(e) Encoder and Decoder.
Good Luck!
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