2.2 Programming Techniques

Question 1

What is a string?

Answer 1

Any text

Question 2

What is an integer?

Answer 2

Whole number

Question 3

What is a float/real number?

Answer 3

Decimal Number

Question 4

What is a Boolean statement?

Answer 4

True/False statement

Question 5

What is a character?

Answer 5

A single character?

Question 6

What is an exponentiation function?

Answer 6

Raises a number to a power

Question 7

What is the DIV function?

Answer 7

Gives the whole number with no remainder

Question 8

What is the MOD function?

Answer 8

Gives the remainder not the whole number

Question 9

What is the ! operator

Answer 9

Not equal to

Question 10

What is a local variable?

Answer 10

A variable that can only be used within the structure they are declared in

Question 11

What is a global variable?

Answer 11

A variable which can be used in any part of the code after they are declared

Question 12

What is a sequence?

Answer 12

Where there are programming steps that are carried out one after another

Question 13

What is selection?

Answer 13

Where there are different paths in your code - IF, ELIF, ELSE

Question 14

What is iteration?

Answer 14

Where there is repetition in loops

Question 15

What is a WHILE loop?

Answer 15

Doing something WHILE a condition is met

Question 16

What is a FOR loop?

Answer 16

Count-controlled loop

Question 17

What is the difference between an array and a list?

Answer 17

List’s can’t handle arithmetic operations

An array is a static structure whilst a list is a dynamic structure

Question 18

What is a procedure?

Answer 18

Set of instructions under a name

Question 19

What is a function?

Answer 19

It is like a procedure but always returns a value?

Question 20

What are records?

Answer 20

Data structures used to store a collection of data

Question 21

What is a Field?

Answer 21

Each item in a record

Question 22

Why is SQL used?

Answer 22

It is used to search databases?