I couldn't understand which one is wrong

Points Awarded: 0.680/1.000 User Answer(s): An 8-byte data type used to store a real number. : double A 4-byte data type used to store an integer number. int A data type whose memory size is determined by the word length of the computer. long A data type consisting of 1 byte. : char A 4-byte data type used to store a real number. float A data type that can store only 1 of 2 values. : bool