Computer Organization Quiz
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Questions and Answers

When the CPU is executing a program that is part of the operating system, it is said to be in what mode?

  • Kernel mode
  • System mode (correct)
  • User mode
  • Privileged mode
  • If the main memory is 8K bytes and the cache memory is 2K words, and it uses associative mapping, what is the size of each word in the cache memory?

  • 32 bits
  • 16 bits (correct)
  • 64 bits
  • 8 bits
  • In a stack-organized computer, what type of addressing mode is used in the instruction set?

  • Immediate addressing
  • Direct addressing
  • Zero addressing (correct)
  • Indirect addressing
  • If the dividend is (11100)2 and the divisor is (10011)2 in a signed-magnitude binary division, what is the result?

    <p>(10100)2</p> Signup and view all the answers

    Which type of RAM is used in virtual memory?

    <p>Static RAM</p> Signup and view all the answers

    What technique is used to update the data in cache memory?

    <p>Write Through</p> Signup and view all the answers

    Which memory unit is known for having the lowest access time?

    <p>Registers</p> Signup and view all the answers

    What is the purpose of a memory buffer that accommodates speed differentials?

    <p>Cache memory</p> Signup and view all the answers

    In signed-magnitude binary division, what does a negative sign in the quotient indicate?

    <p>Negative remainder</p> Signup and view all the answers

    Which component of the CPU generates the logical addresses for memory access?

    <p>Control Unit</p> Signup and view all the answers

    What is responsible for the run-time mapping from virtual to physical addresses in a system?

    <p>Memory Management Unit</p> Signup and view all the answers

    Which type of memory must be refreshed frequently for data retention?

    <p>Dynamic RAM</p> Signup and view all the answers

    What type of system mode is used in the Von Neumann architecture?

    <p>SISD</p> Signup and view all the answers

    What type of memory is used in cache memory to update data?

    <p>Write Through technique</p> Signup and view all the answers

    What type of addressing mode is used in a stack-organized computer?

    <p>Zero addressing</p> Signup and view all the answers

    In signed-magnitude binary division, if the dividend is (11100)₂ and the divisor is (10011)₂, what is the result?

    <p>(10100)₂</p> Signup and view all the answers

    What type of memory is used in virtual memory?

    <p>Static RAM</p> Signup and view all the answers

    What is necessary in a program using subroutine call instruction?

    <p>Clear the instruction register</p> Signup and view all the answers

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