Programming Key Terms 2

Question 1

Variable

Answer 1

Part of a program that can be assigned a specific value. It consists of a name called the identifier and a value is assigned to it. The value can change during program execution.

Question 2

Constant

Answer 2

Part of a program that can be assigned a specific value. It consists of a name called the identifier and a value is assigned to it. The value cannot change during program execution.

Question 3

Comment

Answer 3

The process of adding notes to the code to help others to understand it and explain the programmers thinking.

Question 4

Operators

Answer 4

The symbols with which you can specify the type of calculation you want to perform. Used in calculations such as +*/-

Question 5

Arithmetic Operators

Answer 5

+, -, /, %, //, * or ^

Question 6

Assignment Operator

Answer 6

=

Question 7

Relational Operators

Answer 7

==, !=, >, =, <=

Question 8

Logical Operators

Answer 8

AND, OR and NOT

Question 9

Assignment

Answer 9

Process of assigning a value to a variable or contant using the = sign. E.g name = ‘Fred’

Question 10

Data Types

Answer 10

Format of data in a variable or constant, such as text, number, true or false

Question 11

Integer Data Type

Answer 11

A numerical dat type for whole numbers e.g. 123, -56

Question 12

Real / Float Data type

Answer 12

This is used to hold numbers with decimal points, for example 3.14, 1234.0, -5.2

Question 13

Boolean Data type

Answer 13

True or False

Question 14

Character data type

Answer 14

A text data type for single charaters, numbers or symbols. e.g ‘a’, ‘!’, ‘2’

Question 15

String data type

Answer 15

A text data type for a sequence of characters, numbers or symbols. e.g ‘apple’, ‘l33t!’, ‘01648963258’

Question 16

Casting

Answer 16

The process of changing a data type from one to another

Question 17

Input statement

Answer 17

Var = INPUT(“please input a value”)

Question 18

Output statement

Answer 18

OUTPUT(“the value you entered was”, var)