Why is a personal laptop computer not a server?

because it processes data
because it is not big enough
servers are used directly by computers, not by people
servers are hardware

C) servers are used directly by computers, not by people

Explanation:

    A notebook is designed for routine work. Jobs that demand little from the machine. They demand little processor, memory and HD.

    A server has full capacity to process numerous data simultaneously, as well as much better memories and hard drives than a desktop or notebook. It is designed to have redundant parts such as power supplies, processors and memory slots that work individually.

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.