What type of communications rely on a timing mechanism using either an independent clock or a time stamp embedded in the communications?

When working with arrays most programming languages perform __________ to ensure that programs don't use invalid subscripts.

a. buffer overrun protection b. bitwise data execution c. array bounds checking d. subscript totalling

What can you do if Lightroom won’t let you expand more than one panel at a time in either of the side panel groups?

What will be an ideal response?