A nice performance feature of lazy evaluation is the ability to perform________ evaluation, that is, to stop processing the stream pipeline as soon as the desired result is available.

A laser printer produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon.

Answer the following statement true (T) or false (F)

The _____ value for the content model in an element declaration means an element cannot store any content.

A. EMPTY B. NULL C. NONE D. mixed