in playfair cipher the secret key is made of characters arranged in

the output of ANDgate is low when

information is a collection of independent and unorganized facts

the 1's comlement of the binary number 1010 is 0101

power supply does not responsible for powering every devices in your computer

the terminator symbole represent the starting or represent information entering of the system

the basic idea for caser cipher has 5*5 matrix in english letters are written randomly without repeating

the voltages used to represent a 1,0 are called logic levels

a network that connect devices located in a small geographical area such as within a building