Chapter 11: Algorithms

Question 1

Algorithm

Answer 1

A sequence of steps that can be carried out to perform a task

Question 2

Structured English

Answer 2

A subset of English that consists of command statements used to describe an algorithm

Question 3

Pseudocode

Answer 3

A way of using keyboards and identifiers to describe an algorithm without gollowing the syntax of a particular programming language

Question 4

Flowchart

Answer 4

Shapes linked together to represent the sequential steps of an algorithm

Question 5

4 basic constructs

Answer 5

• Assignment
• Sequence
• Selection
• Iteration

Question 6

Assignment

Answer 6

• A value is given a name (identifier)

* The value given to an identifier is changed

Question 7

Sequence

Answer 7

A number of steps are performed, one after the other

Question 8

Selection

Answer 8

Under certain conditions some steps are performed.

Yes or No

Question 9

Iteration

Answer 9

A sequence of steps is performed a number of times. Also known as looping.

Question 10

Variables

Answer 10

A storage location for a data value that has an identifier

Question 11

Identifier table

Answer 11

A table listing the variable identifiers required for the solution, with definitions.

Question 12

Nested IF statements

Answer 12

An IF statement within an IF statement