Exam 4: Implementing Conditional Logic

The unless expression is used to create complex conditional evaluations spread out over multiple lines that perform the opposite type of evaluation as an if expression.

Flowcharts provide a visual representation of the overall logic involved in creating some or all of a computer program or script.

Unlike if modifiers, if expressions are limited to controlling the execution of a single statement at a time.

else is an optional keyword that permits the execution of an alternate set of statements in the event a tested condition evaluates as false.

You can modify an if modifier to execute one or more statements in the event the test condition evaluates as being false. To accomplish this, you need to add the optional else keyword.

The case block evaluates an expression that is compared to values associated with one or more when statements.

The advantages of appending conditional modifiers to the end of script statements include ____.

Conditional Logic describes the process of executing sets of code statements based on the whether or not a tested condition proves true.

A key point to understanding conditional programming logic is that it hinges on whether a condition is evaluated as true or false.

Ruby supports the use of a number of logical or Boolean operators, including which of the following?

What is the difference between the or and the || operators?

Which of the following logical (Boolean) operators is most similar to the && operator?

The if expression is a conditional evaluation appended to the end of Ruby statements to conditionally control the execution of the statement.

To determine if one value is greater than or equal to another, which comparison operator should be used?

Ruby provides access to a number of conditional expressions, modifiers, and logical operators that can be used to ____.

Advantages of the if and unless expressions include all of the following except?

The Case statement is a conditional evaluation that performs a series of conditional tests, each of which is compared to a single value.

The exit method is provided by the kernel class. It forces the immediate termination of a Ruby script.

What happens if none of the when statements in a case code block match the value of the expression that is evaluated?

The case block provides programmers with the ability to ____.