Computer Character Encoding

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Questions and Answers

What is the primary purpose of character encoding schemes such as ASCII and EBCDIC?

  • To represent data in a binary format
  • To encrypt data for secure transmission
  • To compress data for faster transmission
  • To enable communication between different computer systems (correct)

In the EBCDIC code, what is the numerical representation of the letter 'B'?

  • 194 (correct)
  • 66
  • 67
  • 65

What is the primary advantage of Unicode over ASCII and EBCDIC?

  • It can represent many more characters (correct)
  • It is faster to transmit
  • It is more secure
  • It is more widely used

When a computer using ASCII communicates with a computer using EBCDIC, what happens at the presentation layer?

<p>The message is translated to EBCDIC (A)</p> Signup and view all the answers

How many bits are typically used to represent a character in ASCII?

<p>8 bits (A)</p> Signup and view all the answers

What happens when a computer using Unicode communicates with a computer using the same character code?

<p>No translation is necessary at the presentation layer (D)</p> Signup and view all the answers

What symbol is not included in the American version of ASCII?

<p>British Pound sign (£) (A)</p> Signup and view all the answers

What is the limitation of representing Japanese characters using ASCII?

<p>It requires replacing all Latin characters in the ASCII table. (C)</p> Signup and view all the answers

What is the basic principle of representing text in computing?

<p>Assigning a number to each character. (D)</p> Signup and view all the answers

What is the purpose of Section 4.3 in the text?

<p>To consider the representation of non-textual data. (A)</p> Signup and view all the answers

What is the limitation of the British version of ASCII?

<p>It does not include the Euro symbol (€). (D)</p> Signup and view all the answers

What is the purpose of Chapter 4 in the text?

<p>To consider the representation of text and non-textual data. (C)</p> Signup and view all the answers

What is the representation of ASCII characters in the given encoding scheme?

<p>8-bit (A)</p> Signup and view all the answers

What is the maximum number of octets that a single character may consist of in the given encoding scheme?

<p>6 (B)</p> Signup and view all the answers

What is the purpose of the bits 10 in the trailing octets?

<p>To mark trailing octets (B)</p> Signup and view all the answers

How many characters can be represented as single octets in the given encoding scheme?

<p>128 (C)</p> Signup and view all the answers

What is the significance of the first bit being 0 in an octet?

<p>It indicates that the character is a single-byte UTF character (A)</p> Signup and view all the answers

What is the pattern used to indicate how many octets will follow in the given encoding scheme?

<p>0, 10, 110, 1110 (C)</p> Signup and view all the answers

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