Computer Key Words Flashcards
(24 cards)
Define Algorithm
A sequence of steps/instructions in order to complete a task.
Define Decomposition
Breaking down a problem into smaller sub problems.
Define Abstraction
The process of removing unnecessary detail from a problem.
Define Integer
A whole number.
Define Real
A data type that can contain a decimal number.
Define Boolean
A data type that can have 2 possible values. 0 or 1/ True or False. One bit per Boolean value. It requires the least amount of data storage.
Define Character
Any letter, number, space or symbol that can be typed on a computer.
Define String
A composite data structure. Characters together to make it.
Define Indentifier
A name given to a variable, constant, array or subroutine that means that you can refer back to it.
Define Variable
Space in memory that can be changed.
Define Constant
Space in memory that cannot be changed.
Define Assingment
It is a statement that is used to set a value to an integer. Overwriting in other words.
Define Iteration
The process of repeating lines of code.
Define Definite
A set of instructions that are repeated a set number of times, a For Loop.
Define Indefinite
Instructions repeated until a condition is met, an Indefinite Loop
Define Selection
Decisions that must be made whilst designing a program. Selection.
Define Subroutine
A sequence of program instructuctions that perform a specific task, packages as a unit
Define Procedure
A set of computer intructions that tell a computer how to run a program of calculation,
Define Function
Returned as a value,
Define Nested
It’s a loop within a loop. Or selection within a selection. If Else.
Define Array
A data structure that stores multiple values.
Define Concatenate
Joining 2 strings together to forma new one.
Define Structured Approach
Using decompostion to create smaller programs. In order to solve a problem.
Define Validation
Program checks the data to see if it meets expectations. Rules and Regulations.
