The correct answer is D. Paseo.
A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Modern computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks.
Aptiva is a line of personal computers that was manufactured by IBM from 1994 to 2004.
Macintosh is a line of personal computers designed, developed, and marketed by Apple Inc. since January 24, 1984. Macintosh computers use the Mac OS operating system, which was the first widely used graphical user interface (GUI) operating system.
Acorn was a British computer company that was founded in 1978. Acorn developed a number of successful personal computers, including the BBC Micro and the Archimedes.
Paseo was a personal digital assistant (PDA) that was developed by Hewlett-Packard in 1998. The Paseo was not a successful product and was discontinued in 2000.