Computer types of unit
Data
Bit, Byte, Megabyte, Gigabyte, Kilobit, Kilobyte, Megabit, Gigabit, Terabit, Terabyte, Petabit, Petabyte
Image
inch, meter, Twip, Millimeter, Centimeter, Character(X), Character(Y), pixel(Y), pica(computer), pica(printer's), etc
Resolution
dot/meter, dot/millimeter, dot/inch, pixel/inch
Storage
bit, nibble, byte, character, word, quadruple-word, block, kilobit, kilobyte, kilobyte(103 bytes), megabit, etc
Digital Image Resolution
dot/meter, dot/millimeter, dot/inch, pixel/inch