Computer Key Words

Question 1

Define Algorithm

Answer 1

A sequence of steps/instructions in order to complete a task.

Question 2

Define Decomposition

Answer 2

Breaking down a problem into smaller sub problems.

Question 3

Define Abstraction

Answer 3

The process of removing unnecessary detail from a problem.

Question 4

Define Integer

Answer 4

A whole number.

Question 5

Define Real

Answer 5

A data type that can contain a decimal number.

Question 6

Define Boolean

Answer 6

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.

Question 7

Define Character

Answer 7

Any letter, number, space or symbol that can be typed on a computer.

Question 8

Define String

Answer 8

A composite data structure. Characters together to make it.

Question 9

Define Indentifier

Answer 9

A name given to a variable, constant, array or subroutine that means that you can refer back to it.

Question 10

Define Variable

Answer 10

Space in memory that can be changed.

Question 11

Define Constant

Answer 11

Space in memory that cannot be changed.

Question 12

Define Assingment

Answer 12

It is a statement that is used to set a value to an integer. Overwriting in other words.

Question 13

Define Iteration

Answer 13

The process of repeating lines of code.

Question 14

Define Definite

Answer 14

A set of instructions that are repeated a set number of times, a For Loop.

Question 15

Define Indefinite

Answer 15

Instructions repeated until a condition is met, an Indefinite Loop

Question 16

Define Selection

Answer 16

Decisions that must be made whilst designing a program. Selection.

Question 17

Define Subroutine

Answer 17

A sequence of program instructuctions that perform a specific task, packages as a unit

Question 18

Define Procedure

Answer 18

A set of computer intructions that tell a computer how to run a program of calculation,

Question 19

Define Function

Answer 19

Returned as a value,

Question 20

Define Nested

Answer 20

It’s a loop within a loop. Or selection within a selection. If Else.

Question 21

Define Array

Answer 21

A data structure that stores multiple values.

Question 22

Define Concatenate

Answer 22

Joining 2 strings together to forma new one.

Question 23

Define Structured Approach

Answer 23

Using decompostion to create smaller programs. In order to solve a problem.

Question 24

Define Validation

Answer 24

Program checks the data to see if it meets expectations. Rules and Regulations.