2.2

Question 1

What is an integer?

Answer 1

A whole number

Question 2

What is a float?

Answer 2

A number with a decimal point

Question 3

What is a character?

Answer 3

A single character/symbol that can be typed

Question 4

What is a string?

Answer 4

Zero or more characters enclosed in quotation marks

Question 5

What is a Boolean data type?

Answer 5

Can only take the value of True or False

Question 6

What is a constant?

Answer 6

A value that cannot change during the execution of the program

Question 7

What is the arithmetic operator for addition?

Answer 7

+

Question 8

What is the arithmetic operator for subtraction?

Answer 8

-

Question 9

What is the arithmetic operator for multiplication?

Answer 9

*

Question 10

What is the arithmetic operator for division?

Answer 10

/

Question 11

What is the arithmetic operator for modulus?

Answer 11

MOD

Question 12

What is the arithmetic operator for quotient?

Answer 12

DIV

Question 13

What is the arithmetic operator for exponentiation?

Answer 13

**

Question 14

What is the comparison operator for equal to?

Answer 14

==

Question 15

What is the comparison operator for not equal to?

Answer 15

!=

Question 16

What is the comparison operator for less than?

Answer 16

<

Question 17

What is the comparison operator for less than or equal to?

Answer 17

<=

Question 18

What is the comparison operator for greater than?

Answer 18

>

Question 19

What is the comparison operator for greater than or equal to?

Answer 19

> =

Question 20

What is a sequence?

Answer 20

Statements are written one after the other and execution follows the same order

Question 20

What is a selection statement?

Answer 20

if…then, else, elif

Question 21

What is casting?

Answer 21

Converting to another data type

Question 22

What is concatenating?

Answer 22

joining together strings

Question 23

What is indexing used for?

Answer 23

to isolate a single character in a string

Question 24

What is an array?

Answer 24

A data structure of fixed length that can be used to hold several items of the same data type. e.g an array with seven elements could be declared as arrayday[7]

Question 25

What is a database?

Answer 25

A collection of records, each having an identical record structure. Each field in a record has a defined field type.

Question 26

What is the format of an SQL statement?

Answer 26

SELECT … FROM … WHERE

Question 27

What is a procedure?

Answer 27

Similar to a function, but called by simply writing the name of the procedure and any parameters in brackets. They don’t return a value and are defined the same way as a function