HOW COMPUTERS WORK :
- take input
- store information (memory)
- processing (cpu)
- output results
Binary number system
it contains two digits zero and one, any number can be represent by these two numbers.
text img and sounds also can be represnted by numbers by assigning a number to each letter so any word can be represented by a sequence same idea in pictures so every pixel in the picture has a color and each color can be represnted with number
operation system
it is the master program that manage how software gets to use the hardware of the computer.