Characters

Question 1

What are the two different types of ASCII?

Answer 1

7-bit and 8-bit

Question 2

What does a character set do?

Answer 2

A character set assigns either an 7 or 8 bit binary number to each character that is on the keyboard. The computer then recognises the binary numbers as certain characters because of the character set.

Question 3

What is the ASCII-8 code for ‘A’ (decimal)

Answer 3

65

Question 4

What is the ASCII-7 code for ‘y’ (binary)

Answer 4

11111001

Question 5

Does changing the font of a certain character adjust the ASCII code that is assigned to it?

Answer 5

No fonts are bitmap images and are assigned after the character set.

Question 6

What is Unicode?

Answer 6

Unicode is used for a variety of different languages and scripts. It can have up to 32 bits (over 4 billion characters)

Question 7

How many 16 bit characters does the Japanese phrase “konnichiwa” use?

Answer 7

It uses 3 16 bit unicode characters