حجم اطلاعات ذخیره شده در سیستم های کامپیوتری به شرح زیر می باشد

Every unit of data is in bit form.
Bit = 1 bit
Nibble (Nybble) = 100 bits
Byte = 1000 bits
Kilobyte = 10,000 bits
Megabyte = 100,000 bits
Gigabyte = 1,000,000 bits
Terabyte = 10,000,000 bits
Petabyte = 100,000,000 bits
Exabyte = 1,000,000,000 bits
Zettabyte = 10,000,000,000 bits
Yottabyte = 100,000,000,000 bits
Kibibyte = 1,000,000,000,000 bits
Mebibyte = 10,000,000,000,000 bits
Gibibyte = 100,000,000,000,000 bits
Tebibyte = 1,000,000,000,000,000 bits
Pebibyte = 10,000,000,000,000,000 bits
Exbibyte = 100,000,000,000,000,000 bits
Zebibyte = 1,000,000,000,000,000,000 bits