Flashcards
Key Words

Flashcards do conjunto (20)
- 1—Revision of the key terms in chapter 1

- 2What is an algorithm?A step by step set of instructions that a computer follows
- 3What is a sequence?The order in which tasks are to be carried out
- 4What is a sub-task?Small steps making up a larger task
- 5What is Iteration?When a task is repeated until there is a required outcome
- 6What is a selection?A question is asked, and depending on the answer, the program takes one of two courses of action
- 7What is a decision?When a question is asked (as in selection) the answer will lead to one or more different alternative actions
- 8What is a process?Action that is taken, sometimes as a result of a decision, in order to achieve a desired outcome
- 9What is authenticate?confirm that a users password has been entered correctly and matches the password stored on the system
- 10Whats a variable?A container which is used to store values
- 11What is psudocodeA language that is similar to a programming language but is easier to understand for humans, it doesn't run on a computer
- 12What is an identifierthe 'name' given to a variable
- 13What does assigning mean?assigning means giving a variable a value
- 14What is a constant?A value that does not change while the code is running
- 15What is a comment?information typed into the code to give info to the coder later on if needed
- 16What is an opperatorThe symbol that tells a computer what to do
- 17What is an opperandThe data a computer works on
- 18parenthesesbrackets e.g. ( )
- 19relational operatorsAn operator that compares two items of data e.g. <, >, =
- 20What are logical operators?operators such as AND, OR, NOT etc which performs a Boolean operator
Informações
- Descrição
- FlashCards sobre Key Words, criado por Mackenzie Swales em 10-10-2017.
- Criado por
- Mackenzie Swales
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