The line of computing jobs waiting to be run on a computer system might be a ______. The jobs are serviced in the order of their arrival, that is, the first in is the first out.

单项选择题The ______ is a collection of modules serving as interface between hardware and software to provide a software platform.

单项选择题One of the greatest features of a home ______ is the ability to share one Internet connection simultaneously over two or more computers.