IGCSE Computer Science - Character Sets

What does ASCII stand for?

A letter, number or punctuation on a computer when used as text is called what? Select one option.

• A symbol

• A character

• A text item

• An ASCII

Computers store and use 1s and 0s in storage devices and RAM. They need to have a way of mapping a character to a binary number that represents it. What do they use? Select one option.

• A text translator

• A character table

• A text set

• A character set

How many bits does Extended ASCII use?

How many characters can Extended ASCII contain?

How many bits does ASCII use?

How many characters can ASCII contain?

Which of the following will be false? Select one option.

• A > a

• g < h

• F < f

• t > H

What languages does ASCII represent?

• English

• European languages

• All world languages

What languages does Extended ASCII represent?

• English

• European languages

• All world languages