The following are the methods of file security except

The logic gate in the figure above is

The type of computers that are designed to perform complex calculations extremely rapidly are called ?

Which of the following is used for modulation and demodulation ?

When records are given a new value, it is called

A computer code that spreads without the user interaction and can cause network performance problem is

What category of application package does microsoft excel belong to ?

A set of moral principles that regulate the use of computers is called

The following are input devices except.