Basic Electronics MCQs with Answers

A device used to convert digital signals to analog signals is called a ____________.

A device that amplifies or switches electronic signals is called a ____________.

The process of combining two signals to form a new signal is called ____________.

The component used to regulate voltage in a circuit is called a ____________.

The device that converts light energy into electrical energy is called a ____________.

The component used to generate a continuous waveform of constant amplitude and frequency is called a ____________.

A logic gate that outputs a high signal only when one of its inputs is high and the other is low is called a ____________.

The ____________ is used to represent negative numbers in binary arithmetic.

The component used to protect electronic circuits from excessive current is called a ____________.

The basic unit of information in digital electronics is ____________.

The process of changing the amplitude of a signal in proportion to another signal is called ____________.

The number system based on the digits 0 and 1 is called ____________.

A logic gate that outputs a high signal when any of its inputs are high is called a ____________.

The ____________ band of the electromagnetic spectrum is used for cell phone communication.

The ____________ is the element in a capacitor that stores electrical energy.

A logic gate that outputs a high signal when any of its inputs are low is called a ____________.

The ____________ band of the electromagnetic spectrum is used for AM radio broadcasts.

The component used to control the flow of current in a circuit is called a ____________.

The device used to increase or decrease the voltage in an AC circuit is called a ____________.

The ____________ is the point in a transistor where the three semiconductor layers meet.

The ____________ band of the electromagnetic spectrum is used for television broadcasts.

The basic building block of digital circuits is ____________.

A logic gate that outputs a high signal only when all of its inputs are low is called a ____________.

The process of converting digital signals into analog signals is called ____________.

The fundamental component of a semiconductor device is ____________.

A logic gate that outputs a high signal only when all of its inputs are high is called a ____________.

The ____________ is the main processing unit of a computer.

A device that stores data and program instructions for the computer to execute is called ____________.

The process of combining two signals to form a new signal is called ____________.

The component used to store electric charge in a circuit is called a ____________.

The device used to amplify and modulate audio signals for transmission is called a ____________.

The process of combining multiple channels into a single channel for transmission is called ____________.

A device that allows current to flow in either direction is called a ____________.

The process of converting analog signals into digital signals is called ____________.

The basic component used in digital circuits to store binary data is ____________.

A diode allows current to flow in ____________ direction(s).

The component that stores data temporarily in a computer is called ____________.

A logic gate that outputs a high signal when any of its inputs are low is called a ____________.

The component used to control the flow of current in one direction and allow it in the opposite direction is called a ____________.

The device that allows current to flow in one direction and blocks it in the opposite direction is called a ____________.