3.1.1 - Representing algorithms

Question 1

Algorithm

Answer 1

A step-by-step set of instructions to solve a problem or complete task

Question 2

Decomposition

Answer 2

Breaking down a problem into smaller, more manageable parts

Question 3

Abstraction

Answer 3

Removing unnecessary detail to focus on the important information.

Question 4

Flowchart

Answer 4

A diagram that represents an algorithm using symbols to show the flow of control

Question 5

Pseudocode

Answer 5

A way of representing an algorithm using structured, human-readable instructions without following strict programming syntax

Question 6

Purpose of a trace table

Answer 6

To record the values of variables as an algorithm runs, used to check logic and identify errors

Question 7

Decision - flowchart

Answer 7

Diamond

Question 8

Process - flowchart

Answer 8

Rectangle

Question 9

Input/output - flowchart

Answer 9

Parallelogram

Question 10

Start/stop - flowchart

Answer 10

Oval

Question 11

What do the arrow shows in a flowchart

Answer 11

The direction of flow of the instructions