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Burroughs B5000 and B6500 Quiz
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Burroughs B5000 and B6500 Quiz

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Questions and Answers

What was the architectural approach used by Burroughs B5000/B5500/B5700 systems and Burroughs B6500 system and its successors to provide virtual memory addresses and memory protection?

  • MMU-based approach
  • Segmentation-based approach
  • Descriptor-based approach (correct)
  • Paging-based approach

    • How many tag bits do words in the Burroughs B6500 system and its successors have?

  • 2 tag bits
  • 5 tag bits
  • 3 tag bits (correct)
  • 4 tag bits

    • What indicates whether a word is an operand or a descriptor/control word in the Burroughs B5000/B5500/B5700 systems?

  • The presence of a specific opcode
  • The presence of a specific tag
  • The lowermost bit of a 48-bit memory word
  • The uppermost bit of a 48-bit memory word (correct)

    • How are descriptors and code words differentiated in the Burroughs B6500 system and its successors?

    <p>Descriptors have a tag of 5 and code words have a tag of 3</p> Signup and view all the answers

    What properties are included in the master descriptor given to each allocated memory block in these systems?

    <p>Physical address, size, and presence in memory</p> Signup and view all the answers

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