Laptop computers present an ergonomic problem because the screen and keyboard are attached to each other.

Which of the following Boolean logic operators would be used to find information about one of three possible states?

A) NOT B) ALMOST C) AND D) OR

The biggest limitation of a network operating system (NOS) is ____ in terms of memory, process, device, and file management.

A. lack of scalability B. lack of global control C. lack of security D. prohibitive cost