Which of the following devices is not a micro computer?

EDVAC is not a microcomputer. EDVAC (Electronic Discrete Variable Automatic Computer) was one of the earliest electronic digital computers, developed in the 1940s. It was a large mainframe computer that filled a room and was used for scientific and military purposes. On the other hand, desktops, laptops, and notebooks are all examples of microcomputers. They are small and relatively inexpensive compared to mainframe and supercomputers, and are designed for personal and business use. In summary, while desktops, laptops, and notebooks are all examples of microcomputers, EDVAC is not a microcomputer and is instead a mainframe computer.