5: Loops And Iterations

Question 0

Accumulator

Answer 0

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

Question 1

Name the 5 loop patterns described in this chapter.

Answer 1

Updating variables (x+1)
While (T/F)
Infinite loops - break
Continue (segment execution)
Definite loops using for/in (set)

Question 2

Counter

Answer 2

A variable used in a loop to count the number or times something happened. We initialize a counter to zero and then increment the counter each time we want to ‘count’ something.

Question 3

Decrement

Answer 3

An update that decreases the value of a variable.

Question 4

Initialize

Answer 4

An assignment that gives an initial value to a variable that will be updated.

Question 5

Increment

Answer 5

An update that increases the value of a variable (often by one).

Question 6

Infinite loop

Answer 6

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

Question 7

Iteration

Answer 7

Repeated execution of a set of statements using either a recursive function call or a loop.