Regulated and Switching Power Supplies Interview Questions and Answers: 1. What is a regulated power supply? Ans. A regulated power supply is an electronic circuit designed to provide constant dc voltage of predetermined value across load…
Number Systems and Codes Interview Questions and Answers: 1. What is meant by radix (or base) of a number system? Ans. Radix or base of a number system is the number of digits or distinct symbols…
Logic Gates and Boolean Algebra Interview Questions and Answers: 1. What is Boolean algebra? Ans. Boolean algebra is a mathematical system of logic in which truth functions are expressed as symbols and then these symbols are…
Logic Circuits Interview Questions and Answers: 1. What is a combinational circuit? Ans. In a combinational circuit, the output depends upon present input(s) only i.e., not dependent on the previous input(s). The combinational circuit has no…
Digital Logic Families Interview Questions and Answers: 1. What is the difference between a bipolar logic family and unipolar logic family? Ans. Logic family using BJTs is known as bipolar logic family whereas the logic family…
Digital to Analog and Analog to Digital Converters Interview Questions and Answers: 1. Why conversion of an analog signal into an equivalent digital signal is essential? Ans. Because most sensors have analog output while much data…
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…
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…
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…
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…