Flashcards
Computer Science flashcards 1
Cards in this deck (7)
- 1What is an Algorithm?An algorithm Is a simple set of instructions or steps that can easily be followed like a recipe.
- 2What is Pseudo code and why is it useful?Pseudocode is a cross between basic english language and coding to make the instructions easily transferable to any programming language.
- 3What are variables and constants?Variable - A piece of stored data that can change at any point during the code.
Constant - A piece of stored data that cannot change once it is set. - 4What are the data types and how are they used?Integer- A whole number with no decimal
Real- A number with a decimal after
Character- A single letter/symbol
String- A collection of characters
Boolean- An answer with 2 choices (Y/N)
Data types are used to differentiate
between groups and make it identifiable. - 5Arithmatic Operators+ = Plus - = Minus
* = Times / = Divide
MOD = The remainder number
DIV = Whole part of division
^ = Exponent - 6Comparison Operators== - Equal to != - Not Equal to
< - Less than > - Greater than
<= - Less than or equal to
>= - Greater than or equal to - 7Logical OperatorsAND - Only True if both inputs are true
OR - True if either inputs are true
NOT - True if the input is false
XOR - True if ONLY 1 input is true
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- Flashcards on Computer Science flashcards 1, created by Connor Jobling on 14/09/2017.
- Created by
- Connor Jobling · Sep 2017
- Updated
- Sep 15, 2017
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