If you want to make sure your presentation is as easy as possible for those who might have physical challenges, you would use the ________ Checker tool

A friend's computer came with Windows 8 operating system.  Which of the following years was the computer most likely bought in?

A. 1999 B. 2001 C. 2009 D. 2012

A _____ resembles a group of computers in which data flows in only one direction from one device to the next.?

A. ?hierarchical network B. ?star network C. ?bus network D. ?ring network