Electronics

Electronics is the science of how to control electric energy, energy in which the electrons have a fundamental role.electronics is widely used in information processing, telecommunication, and signal processing. The ability of electronic devices to act as switches makes digital information processing possible.

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Microprocessors and Microcontroller Lab viva Questions with Answers:

02:53    24 comments

Home / Lab Viva / MPMC Lab 1.What is a Microprocessor? It is a CPU fabricated on a single chip, program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. 2. Define bit, byte and word. Bit is either 0 or 1. Byte is group of 8 bits. Word is group of 16 bits. 3.What are the different functional units in 8086? 2 units-Bus Interface Unit (BIU) and Execution unit (EU) 4. What is the function...

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Electronic Circuit Analysis lab viva questions with Answers part - II

05:22    6 comments

Home/ lab viva questions/ ECA LAB Part -II Oscillators: 1. What is an Oscillator? It is a circuit which acts as a generator, generating the output signal which oscillates with constant amplitude and constant frequency.  which feedback used in oscillators? +ve feedback 2. What is the output of an oscillator if transistor is ideal? Zero 3. what is Barkhausen criterion ? |AB| = 1, <AB =360 degrees where A , B represents amplifier...

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Electronic Circuit Analysis lab Viva Questions with Answers Part I

02:05    2 comments

Home/ lab viva questions/ ECA LAB Part -I Multistage Amplifiers: 1. What is  difference between Amplifier and Attenuator? Both are linear systems but Amplifier's gain is more than unity (+ve dB), Attenuator gain is less than unity (-ve dB) 2.Which Amplifier will amplify voltage and current? common emitter amplifier 3. What are the advantages over single stage amplifier? In single stage amplifier if we try to get more...

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