Characters

What are bit patterns in computing?

• A set of characters on a keyboard
• Combinations of binary bits
• A type of character encoding
• A graphical representation of data

How many different ways are there to calculate the number of available bit patterns?

• 1
• 2
• 3
• 4

Which of the following is NOT one of the methods to calculate available bit patterns?

• Write out the combinations manually and count
• Use the base-2 place value headings
• Use the formula n bits = 2ⁿ

• Use hexadecimal conversion

What is a character set in computing?

• A set of characters used in computer games.

• A set of characters used on a computer.

• The symbols on a keyboard that can be can be represented by a computer.

• A collection of emoticons.

Which character set started as a 7-bit system?

• UTF-8
• UTF-16
• ASCII
• UTF-32

Why was ASCII created in the early 1960's?

• To improve computer performance
• To standardise character encoding

• To create a universal character set
• To replace Unicode

What was the original purpose of the 8th bit in ASCII?

• To extend the number of available characters
• To perform a parity check for accuracy

• To represent non-English characters
• To indicate control codes

What did Extended ASCII use the 8th bit for?

• To add more control codes
• To improve backward compatibility
• To add more English characters
• To represent extended character sets

What did ASCII and Extended ASCII evolve into?

• ASCII

• BASIC

• DVORAK

• UNICODE

What character set was developed to address the limitations of ASCII for non-English characters?

• ASCII

• Extended ASCII

• English

• UNICODE