The difference between Computer and Laptop

When used as nouns, computer means a person employed to perform computations, whereas laptop means a laptop computer.

check bellow for the other definitions of Computer and Laptop

Computer as a noun (now, rare, chiefly, historical):

A person employed to perform computations; one who computes.
Computer as a noun (by restriction, chiefly, historical):

A male computer, where the female computer is called a computress.
Computer as a noun:

A programmable electronic device that performs mathematical calculations and logical operations, especially one that can process, store and retrieve large amounts of data very quickly; now especially, a small one for personal or home use employed for manipulating text or graphics, accessing the Internet, or playing games or media.

Examples:

"synonyms: processor [['puter]] q informa[[box]] q slang machine calculator"