Information Coding Scheme

What is the number of bits used in the Extended ASCII coding scheme?

• 4 bits

• 32 bits

• 16 bits

• 8 bits

Which coding scheme can represent 65,536 characters?

• ASCII

• Extended ASCII

• EBCDIC

• Unicode

What is the primary use of EBCDIC?

• Embedded systems

• Mobile devices

• Mainframe and high-end servers

• PC and server

How many characters can Extended ASCII represent?

• 1024 characters

• 512 characters

• 256 characters

• 128 characters

Which of the following is a characteristic of Unicode?

• Primarily used on PCs

• Uses 16 bits per character

• Uses 8 bits per character

• Can represent 256 characters

If a phrase contains 18 characters, how many bytes does it take to represent it using Extended ASCII?

• 24 bytes

• 16 bytes

• 18 bytes

• 20 bytes

Elijah is working on a project that involves encoding the phrase 'Computer science' using Unicode. He needs to determine the total number of bits required for this phrase. Can you help him?

• 152 bits

• 288 bits

• 256 bits

• 128 bits

Why are coding schemes necessary for computers?

• To reduce file sizes

• To translate real-world data into binary

• To increase processing speed

• To enhance graphics quality

Which coding scheme is primarily used for web pages and supports a vast range of characters?

• Extended ASCII

• ASCII

• ISO-8859-1

• Unicode

If a phrase contains 20 characters, how many bytes does it take to represent it using Unicode?

• 16 bytes

• 40 bytes

• 20 bytes

• 30 bytes