GTU BE 2019 Summer Question Papers || Gujarat Technological University
Subject Code: 2163905
GUJARAT TECHNOLOGICAL UNIVERSITY
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SEMESTER-VI(NEW) — EXAMINATION — SUMMER 2019
Subject Name: Microelectronics and VLSI
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Q.1 (a) | Write down name of various techniques for microelectronics and VLSI in the vicinity of Nanotechnology | 03 |
| (b) | Describe: Photonic devices | 04 |
| (c) | Write a short note on MOSFET | 07 |
| Q.2 (a) | What do mean by Moore’s law? | 03 |
| (b) | Describe: semiconductor random access memory | 04 |
| (c) | Write a short note on Binary number systems | 07 |
| OR | ||
| Write a short note on J-K Flip-flop and state its application | 07 | |
| Q.3 (a) | Give classification of IC. | 03 |
| (b) | State various issues associated with VLSI design | 04 |
| (c) | Write a short note on fabrication of IC. | 07 |
| OR | ||
| What are uses of simulation methods in the field of electronics? | 07 | |
| Q.4 (a) | Differentiate : Synchronous and Asynchronous-counters | 03 |
| (b) | Write a short note on NMOS transistor | 04 |
| (c) | Write down name of various materials used in the synthesis of LED. | 07 |
| OR | ||
| What do you mean by Optocoupler device | 07 | |
| Q.5 (a) | Explain : Device scaling | 03 |
| (b) | Write a short note digital IC. | 04 |
| (c) | Describe: Micro fluidics device and its applications. | 07 |
| OR | ||
| Write a short note on Photovoltaic cell. | 03 | |
| Draw the schematic diagram of BJT and state its application. | 04 | |
| Explain CMOS transistor with necessary diagram. | 07 | |
| OR | ||
| What do you mean by Hexadecimal number systems? | 03 | |
| Convert binary number (10110100)2 into its equivalent octal, hexadecimal and decimal number | 04 | |
| Describe S-R flip flop and state its applications | 07 | |
Date: 21/05/2019
Total Marks: 70
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