1. Suppose a collection has a million items divided into 10 (roughly) equal-size categories. How many items does choosing one category eliminate from consideration?

10,000

500,000

900,000

999,000

2. How are hardware failures generally resolved?

Employing a staff for 24 hour support

Buying only hardware that does not break

Using techniques such as redundancy

By examining all reachable configurations

3. The difference between upper and lowercase is termed:

case sensitivity

lexical structure

field sensitivity

debugging

Word processors represent blanks using the:

lowercase letter "o" ( o )

multiplication dot ( . )

comma ( , )

numeral zero ( 0 )