U4: ASCII Explained

What is the main topic discussed in this video?

• Binary numbers

• Software development

• Character encoding

• Computer hardware

What does ASCII stand for?

• Advanced Standard Code for Information Interchange

• American Standard Code for International Interchange

• American System Code for Internet Interchange

• American Standard Code for Information Interchange

In which decade was ASCII developed?

• 1950s

• 1970s

• 1980s

• 1960s

How many printable characters does ASCII encode?

How many bits does each ASCII character take up?

• 9 bits

• 8 bits

• 7 bits

• 6 bits

What is the first printable character in ASCII?

• A

• 0

• a

• Space

How many positions after the uppercase alphabet does the lowercase alphabet start in ASCII?

What was the initial use of the 8th bit in extended ASCII?

• Storing control characters

• Error checking

• Storing additional characters

• Encoding images

What happens when the 8th bit is set to 0 in extended ASCII?

• It starts a new line

• It encodes a special character

• It causes an error

• It functions as vanilla ASCII

Why did the use of the 8th bit for error checking become less necessary?

• New encoding standards

• Better hardware

• More characters needed

• Increased transmission reliability