Basic Electronics MCQs with Answers

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

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

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

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

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

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

A device that amplifies or switches electronic signals 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 when any of its inputs are low is called a ____________.

The fundamental component of a semiconductor device is ____________.

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

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

A device used to convert digital signals to analog signals 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 ____________ is used to represent negative numbers in binary arithmetic.

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

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

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

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

The basic unit of information in digital electronics is ____________.

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

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

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

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

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

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

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

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

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

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

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 the main processing unit of a computer.

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

The basic building block of digital circuits is ____________.

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

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

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