This download link is referred from the post: SGBAU BCA Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
B.C.A. (Part—I) Semester—II Examination
2ST3 : DIGITAL TECHNIQUES—II
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Time : Three Hours | [Maximum Marks : 60
Note :
- All questions are compulsory.
- Draw neat diagrams wherever necessary.
- Due credit will be given to neatness.
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- (A) What is D-Flip-Flop ? Explain with Diagram and Truth Table. 6
(B) Explain construction and working of astable multivibrator with suitable diagram. 6
OR - (A) Define Flip-Flop and differentiate RS and CLKRS Flip-Flop. 6
(B) Explain:--- Content provided by FirstRanker.com ---
(i) Monostable transistorized multivibrator
(ii) Bistable transistorized multivibrator. 6 - (A) What is Counter ? Explain Asynchronous 4-bit Counter with Diagram and Truth Table. 6
(B) Explain up-down counters with suitable diagram. 6
OR - (A) State and explain applications of Modified Asynchronous Counter. 6
(B) Draw and explain the diagram of IC 74931. 6 - (A) Explain:
(i) SISO
(ii) PISO. 6--- Content provided by FirstRanker.com ---
(B) Explain IC version of Shift register-7495 with connection diagram. 6
OR - (A) Explain the working of Ring Counter with neat diagram. 6
(B) What is Johnson’s Counter ? Explain with Connection Diagram and Truth Table. 6 - (A) Explain difference between Primary and Secondary Memory. 6
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(B) Explain:
(i) RAM
(ii) ROM
(iii) EPROM. 6
OR - (A) Explain static RAM Cell with suitable diagram. 6
(B) What is meant by Winchester disk ? Explain. 6 - (A) What is A/D and D/A converter ? Explain the working of weighted resistor type D/A Converter. 6
(B) Draw and explain IC ADC 0808 with block diagram. 6
OR - (A) Draw and explain IC DAC 0808 with suitable diagram. 6
(B) Draw the block diagram of successive approximation type A/D Converter and explain. 6
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This download link is referred from the post: SGBAU BCA Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university