1.3 Information Coding Scheme

What does ASCII stand for?

• American Standard Code for Information Interchange

• Advanced System Code for Internet Integration

• Automatic Symbol Code for Input Interpretation

• Analog Signal Code for International Communication

How many characters can Extended ASCII represent?

• 128

• 256

• 512

• 64

How many bits are used in the original ASCII encoding?

• 7

• 8

• 10

• 16

Unicode was developed to overcome the limitation of:

• File systems
  

• ASCII not supporting non-English characters
  

• Memory addressing
  

• Internet protocols

What does EBCDIC stand for?

• Extended Binary Coded Decimal Interchange Code

• Electronic Binary Code of Decimal Interchange Characters

• Electronic Basic Code Decimal Interchange Code

• Extended Binary Code of Digital Interchange Characters

Which of the following is NOT part of ASCII character set?

• A–Z

• a-z

• Emoji

• 0-9

How many bits are needed to represent the phrase HELLO WORLD using Extended ASCII encoding?

• 80 bits
  
  

• 88 bits
  

• 96 bits
  

• 104 bits

How many bytes are needed to represent the phrase COMPUTER SCIENCE using EBCDIC encoding?

• 14 bytes

• 15 bytes
  

• 16 bytes
  

• 17 bytes

How many bytes are needed to represent the word 世界 in Unicode encoding?

• 2 bytes

• 4 bytes

• 6 bytes

• 8 bytes

How many bits are needed to represent the Arabic phrase السلام عليكم using Unicode encoding?

• 128 bits

• 160 bits

• 176 bits

• 192 bits