Basic Flow Control Quiz

What are the two possible results of evaluating a logical expression?

• Yes or no

• Pro or con

• true or false

• 0 or 1

What does the initialization statement do in a “for” loop?

• Defines the loop’s test condition

• Sets the loop’s index variable to a starting value

• Defines the loop’s exit condition

• None of these are true

What is a compound logical expression?

• Two or more logical expressions joined by a logical operator

• Two or more logical expressions joined by a mathematical operator

• A logical expression using the <= or >= operators

• A logical expression using the ++ or -- operators

What is an “if” statement used for in a program?

• To execute a block of code if a condition is false

• To execute a block of code in a loop

• To ask the user a question

• To execute a block of code if a condition is true

What type of loop never stops executing?

• Recursive loop

• While() loop

• Infinite loop

• For() loop

What type of “while” loop will always be executed at least once?

• while

• do-while

• Both of these will be executed at least once

• Neither of these is guaranteed to execute at least once

Which of these is not a relational operator?

• >

• <

• +

• <=

Evaluate the following logical expression:

bool result = (1 < 2) || (3 > 5)

What is the value in result?

• result = true

• result = false

• result = 1

• result = 3

What relational operator is used to mean "not equal"?

• !=

• <>

• NOT

• ^=

If you compare two object references with the equality operator ==, what will be the result?

• You will know if the references are identical, but not whether or not the objects are equal

• You will know if the objects are identical

• You will get a runtime exception, since you cannot compare object references

• You will get a compile-time error, since you cannot compare object references