2.2) Programing Fundamentals

Question 1

What are variables?

Answer 1

• Used to store data in programs. Can be changed as run

Question 2

What are local variable advantages?

Answer 2

• Saves memory
• Easier to debug local memories
• You can reuse subroutine variables

Question 3

Global variable disadvantages?

Answer 3

• Can be used anywhere in local program
• Makes maintenance easier
• Can be used for constants

Question 4

Whats a character?

Answer 4

Letter,number or punctuation

Question 5

Whats a string?

Answer 5

Sequence of characters including letters,numbers and punctuation

Question 6

Whats a real?

Answer 6

Decimal number

Question 7

Whats a boolean?

Answer 7

Two possible values

Question 8

Whats casting?

Answer 8

Converting the value of variables from one data type to another