6.8. Glossary

Accumulator

A variable used in a loop to add up or accumulate a result.

Loop Counter

A variable used in a loop to count the number of times something happened. We initialize a counter to zero then increment the counter each time we want to “count” something.

Decrement

To decrease the value of a variable (often by one).

Initialize

To give an initial value to a variable that will be updated.

Increment

To increase the value of a variable (often by one).

Infinite Loop

A loop in which the terminating condition is never satisfied or for which there is no terminating condition.

Iteration

One repeated execution of a set of statements using either a function that calls itself or a loop.

Q-1: Match the terms on the left with their defintions on the right. If you're stuck, look above for the definitions of these terms! Try again.
• accumulator
• A variable used in a loop to add up or accumulate a result.
• loop counter
• A variable used in a loop to count the number of times something happened. We initialize a counter to zero and then increment the counter each time we want to "count" something.
• decrement
• To decrease the value of a variable (often by one).
• increment
• To increase the value of a variable (often by one).

Q-2: Match the terms on the left with their defintions on the right. If you're stuck, look above for the definitions of these terms! Try again.
• initialize
• To give an initial value to a variable that will be updated.
• infinite loop
• A loop in which the terminating condition is never satisfied or for which there is no terminating condition.
• iteration
• One repeated execution of a set of statements using either a function that calls itself or a loop.

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