ASCII and Unicode Quiz

What does ASCII stand for?

• American Symbolic Code for Internet Interchange

• American Standard Code for Information Interchange

• Automated System for Character Input Integration

• Association of Standardized Computer Input Interfaces

How many characters can be represented by the standard ASCII code?

• 64

• 128

• 256

• 512

What is the ASCII decimal and hexadecimal value for the character ‘A’?

• 65 and 41

• 66 and 42

• 64 and 40

• 97 and 61

What is the difference in binary between uppercase and lowercase letters in ASCII?

• 2nd bit changes

• 5th bit changes

• 6th bit changes

• 7th bit changes

Why was Unicode developed?

• To reduce storage size

• To support programming languages only

• To represent all global characters and languages

• To improve internet speed

Which of the following statements is TRUE about Unicode and ASCII?

• Unicode does not include ASCII characters

• Unicode is only used for Chinese characters

• Unicode supports more characters than ASCII

• ASCII supports more languages than Unicode

How many bits does standard ASCII use per character?

• 6 bits

• 7 bits

• 8 bits

• 16 bits

What is the main disadvantage of ASCII?

• It requires 4 bytes per character

• It cannot be used on Windows systems

• It does not support non-English characters

• It is incompatible with modern keyboards

What does Extended ASCII provide?

• Support for all global languages

• Adds 64 more control codes

• Expands ASCII to 16-bit

• 128 additional codes for graphical and non-English characters

Which of the following is NOT a goal of Unicode?

• To create a universal standard for all writing systems

• To make ASCII obsolete immediately

• To support uniform 16-bit or 32-bit encoding

• To reserve code for private use