1) In C++, a legal identifiers may contain these kinds of characters _______________, ______________, ______________

2) Pick the C++ keywords out of the following list.

a) while

b) total_weight

c) double

d) if

e) number_of_bars

3) Which of the following are legal definitions with initializations? (Consider each line to be in a different scope so there is no multiple definition of identifiers.)

a) int count = 0, limit = 19;

b) int count(0), limit(19);

c) int count = 0, limit(19);

d) int limit = 19;

e) int namespace(0);

4) The value of the expression 20.0 * (9/5) + 32.0 is

a) 68.0

b) 52.0

c) expression has a syntax error so there is no value

d) 32.0

e) an incorrect expression, the / should be %