a) All programs can be written in terms of three types of control structures:___ ,___

and___ .

b) The selection statement _____is used to execute one action when a condition is true

or a different action when that condition is false.

c) _____Repeating a set of instructions a specific number of times is called repetition.

d) When it is not known in advance how many times a set of statements will be repeated,

a(n)____ value can be used to terminate the repetition.

2. Write four different C++ statements that each add 1 to integer variable x.

ANS:

3. Write C++ statements to accomplish each of the following:

a) In one statement, assign the sum of the current value of x and y to z and postincrement

the value of x.

b) Determine whether the value of the variable count is greater than 10. If it is, print

"Count is greater than 10."

c) Predecrement the variable x by 1, then subtract it from the variable total.

d) Calculate the remainder after q is divided by divisor and assign the result to q. Write

this statement two different ways.

4. Write C++ statements to accomplish each of the following tasks.

a) Declare variables sum and x to be of type int.

b) Set variable x to 1.

c) Set variable sum to 0.

d) Add variable x to variable sum and assign the result to variable sum.

e) Print "The sum is: " followed by the value of variable sum.

5. Write single C++ statements or portions of statements that do the following:

a) Input integer variable x with cin and >>.

b) Input integer variable y with cin and >>.

c) Set integer variable i to 1.

d) Set integer variable power to 1.

e) Multiply variable power by x and assign the result to power.

f) Preincrement variable i by 1.

g) Determine whether i is less than or equal to y.

h) Output integer variable power with cout and <<.