The Expression (A*b)* C Op

question 22

Multiple Choice

The expression (a*b) * c op........ where 'op' is one of '+', '*' and '?' (exponentiation) can be evaluated on a CPU with a single register without storing the value of (a * b) if

• A)'op' is '+' or '*'
• B)'op' is '?' or '*'
• C)'op' is '?' or '+'
• D)not possible to evaluate without storing

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Definitions:

Nonexcludable

A characteristic of a public good, indicating that it is not feasible to prevent non-paying customers from consuming the good.

Excludable

An excludable good is one from which it is possible to prevent people from benefiting unless they have paid for it.

Public Good

A good or service offered to every member of a society for free, provided by either the government or a private entity or group, without seeking profit.

National Defense

Governmental and military measures designed to protect a country from external aggression and threats.