The number of electrons from grid reaching the screen determines the

NOT gate works in such a way that if its input is 1, its output would be

The picture tube in our TV set and the display terminal of most computers are

To make a burglar alarm, we can use a single

An instrument which is used to display the magnitudes of changing electric currents or potentials is called

Radio, televisions and telephones process

J.J Thomson in 1897 observed the deflection of cathode rays by

The electrons are produced by thermionic emission from a tungsten filament heated by

Things which can have two possible states are known as

Digital electronic devices store and process electronically

Material which gives light as a result of bombardment of fast-moving electrons is

The grid in the electron gun is connected to

When the beam of electrons is passed between the pates having an electric field, the beam deflects towards

The degree of deflection of electrons from their original direction is proportional to the applied

Digital quantities are expressed in the form of

An amplifier amplifies the signal without changing its

The NOT gate inverts the output of

The quantities whose values vary continuously or remain constant are known as

The process of transforming information into 1's and 0's is called

The output of two-input NOR gate is 1 when

The quantities that we perceive by our senses are usually

The values for digital signals are

When all of AND gate inputs are at logic 1, the output will be

Cathode rays must carry

AND gate has 2 or more inputs and the output is/are

The cathode-ray oscilloscope consists of

The output of a NOR gate is opposite to the

NOT gate works in such a way that if its input is 0, its output would be

To deflect electrons to desired positions on the screen of a television tube, we use

The more negative potential in the electron gun, the more electrons will be