The first machine to perform a long series of arithmetic and logical operations was ..? A) ENIAC B) Mark 1 C) Analytical engine D) UNIVAC Related MCQs: Arithmetic Logic Unit consists of …….. units called? Computer memory that allows read/write operations is? The arranging of data in a logical sequence is called? If x + Y = 6, y + z = 7, and z + x = 9, the average (arithmetic mean) of x, y and z is?