Data is raw facts and figures or a set of values.
A set of data might consist of 2, 4, 3, 5, 6 or 23, 45, 67, 98, 78
Types of data
Data can be part of many formats; Text, numbers, pictures, video and sound.
Bits and Bytes
Computers store every type of data in Binary (011010100110)
A single unit of binary is called a "bit" (either a 0 or a 1)
One byte is made of 8 bits and this one byte can store one letter, number, pixel in a bitmap image, or fragment of sound. For example "A" is represented by 01000001.
No comments:
Post a Comment