Microprocessors Interview Questions and Answers: 1. What is a Microprocessor? Ans. Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. 2. What is microcontroller? Ans. Microcontroller is a device that includes microprocessor, memory and I/O signal lines on a single chip, fabricated using VLSI technology. 3. What is a microprocessor …
Electronic Instruments (Analog as well as Digital) Interview Questions and Answers: 1. Why ordinary voltmeter cannot be used in electronic circuits? Ans. A moving coil voltmeter draws a large current, hence a large power from the test circuit during measurement. Generally current drawn by the voltmeter does not make much difference in electrical circuit but when …
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Cathode Ray Oscilloscope Interview Questions and Answers: 1. What is cathode ray oscilloscope (CRO)? Ans. A CRO is an electronic device with a CRT as its main component and other associated circuits consisting of a power supply unit, a sawtooth wave generator, horizontal and vertical amplifiers. 2. How is CRO superior to ordinary measuring instruments? Ans. CRO …
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Transducers Interview Questions and Answers: 1. Explain in brief the term transducer. Ans. Basically transducer is defined as a device which converts energy or information from one form to another. These are widely used in measurement work because all quantities that need to be measured, cannot be displayed as easily as others. A better measurement of …
Basic DC Circuit Analysis Interview Questions and Answers: 1. Define Electric current. Ans. Electric current is defined as the rate of flow of electric charge. Where q is the charge is coulombs. The unit of current is the ampere which is the current that flows when 1 coulomb of charge is transferred in one second. 2. …
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