ASCII, Unicode

How many bits are needed to represent an ASCII character?

• 7 bits
• 4 bits
• 6 bits
• 8 bits
• 16 bits

How many possible values exist for ASCII characters?

• 128
• 256
• 12,800
• 25,600

Converting from characters to binary is called?

• Encoding
• Switching
• Compression
• Encryption

What does UTF stand for?

• Universal Text Format
• Unicode Transformation Format
• Unified Text Function
• Unique Text File

Up to how many bits can be used to represent a unicode character?

• 16
• 32
• 64
• 128

Up to how many bytes can a unicode character have?

• 1

• 2

• 4

• 16

About how many possible options exist for unicode characters?

• 4 billion (2^23)
• 40 thousand (2^32)
• 8 million (2^16)
• 1 million (2^16)

What is the difference between UTF-32 and UTF-8?

• UTF-32 uses a variable-length encoding scheme, while UTF-8 uses a fixed length of 4 bytes for all characters.
• UTF-8 uses a variable-length encoding scheme, allowing characters to be represented with 1 to 4 bytes, while UTF-32 uses a fixed length of 4 bytes for all characters.
• UTF-32 is only compatible with Latin characters, while UTF-8 supports all character sets.
• UTF-8 is primarily used for internal processing, while UTF-32 is used for external data exchange.

In Python, what is the length of the red heart?

• 1

• 2

• 3

• 4