As shown in the accompanying figure, the ____ value of the box-shadow property specifies the amount of blur around the edges.

The _________ contains a word of data to be written to memory or the word most recently read.

A. MAR B. PC C. MBR D. IR

A __________ occurs when the pipeline, or some portion of the pipeline, must stall because conditions do not permit continued execution.

Fill in the blank(s) with the appropriate word(s).