1.4 Algorithms

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  • Created by: Emily
  • Created on: 27-05-14 14:14
Name four processes within an algorithm
Selection, iteration, assignment, sequence
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Selection
A decision making step
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Iteration (repetition)
A step/sequence of steps that repeats until a condition is satisfied (loop)
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Assignment
An operation which assigns a value to variable
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Sequence
Consecutive steps processed one after the other
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Name three ways in which an algorithm can be written
Pseudocode, Structured English, Flowcharts
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Pseudocode
A language for expressing algorithms that resembles a programming language but uses less strict syntax
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Flow chart
A diagram to show a SEQUENCE of OPERATIONS
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Structured English
A very restricted subset of the English language
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Name three ways in which to verify an algorithm
Hand trace, desk check, dry run
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What are: hand trace, desk check, and dry run?
Step by step simulations on paper of how a computer might execute an algorithm
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Other cards in this set

Card 2

Front

Selection

Back

A decision making step

Card 3

Front

Iteration (repetition)

Back

Preview of the front of card 3

Card 4

Front

Assignment

Back

Preview of the front of card 4

Card 5

Front

Sequence

Back

Preview of the front of card 5
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