What is meant by a dedicated computer?
Which is assigned one and only one task is meant by a dedicated computer.
A dedicated system is a computer system capable of performing 1 specific task an embedded system is a computer system within a larger system that performs a specific task.
A dedicated server is a single computer in a network reserved for serving the needs of the network. For example, some networks require that one computer be set aside to manage communications between all the other computers. A dedicated server could also be a computer that manages printer resources.
A general-purpose computer is one that, given the appropriate application and required time, should be able to perform most common computing tasks. Personal computers, including desktops, notebooks, smartphones and tablets, are all examples of general-purpose computers.