Given the following paragraph about a laptops, why are laptops called "laptop"?

Context: The names "laptop" and "notebook" refer to the fact that the computer can be practically placed on the user's lap and can be used similarly to a notebook. As of 2022, in American English, the terms "laptop" and "notebook" are used interchangeably; in other dialects of English, one or the other may be preferred. Although the term "notebook" originally referred to a specific size of laptop, the term has come to mean the same thing and no longer refers to any specific size.

Answer: Laptops are called "laptop" because the computer can be practically placed on the user's lap .