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  • Question
  • The register or main memory location which contains the effective address of the operand is known as


  • Options
  • A. pointer
  • B. indexed register
  • C. special location
  • D. scratch pad
  • E. None of the above

  • Correct Answer
  • pointer 


  • Operating Systems Concepts problems


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    • 1. A non-relocatable program is one which

    • Options
    • A. cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
    • B. consists of a program and relevant information for its relocation.
    • C. can itself performs the relocation of its address-sensitive portions.
    • D. all of the above
    • E. None of the above
    • Discuss
    • 2. Which of the following systems software does the job of merging the records from two files into one?

    • Options
    • A. Security software
    • B. Utility program
    • C. Networking software
    • D. Documentation system
    • E. None of the above
    • Discuss
    • 3. While working with MS-DOS, which command will you use to transfer a specific file from one disk to another?

    • Options
    • A. DISKCOPY
    • B. COPY
    • C. RENAME
    • D. FORMAT
    • E. None of the above
    • Discuss
    • 4. Bug means

    • Options
    • A. A logical error in a program
    • B. A difficult syntax error in a program
    • C. Documenting programs using an efficient documentation tool
    • D. All of the above
    • E. None of the above
    • Discuss
    • 5. The Memory Address Register

    • Options
    • A. is a hardware memory device which denotes the location of the current instruction being executed.
    • B. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
    • C. contains the address of the memory location that is to be read from or stored into.
    • D. contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
    • E. None of the above
    • Discuss
    • 6. In virtual memory systems, Dynamic address translation

    • Options
    • A. is the hardware necessary to implement paging
    • B. stores pages at a specific location on disk
    • C. is useless when swapping is used
    • D. is part of the operating system paging algorithm
    • E. None of the above
    • Discuss
    • 7. In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?

    • Options
    • A. index addressing
    • B. indirect addressing
    • C. auto increment
    • D. auto decrement
    • E. None of the above
    • Discuss
    • 8. Assembly code data base is associated with

    • Options
    • A. assembly language version of the program which is created by the code generation phase and is input to the assembly phase.
    • B. a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure.
    • C. consists of a full or partial list or the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation.
    • D. a permanent table which lists all key words and special symbols of the language in symbolic form.
    • E. None of the above
    • Discuss
    • 9. Which of the following are(is) Language Processor(s)

    • Options
    • A. assembles
    • B. compilers
    • C. interpreters
    • D. All of the above
    • E. None of the above
    • Discuss
    • 10. Memory

    • Options
    • A. is a device that performs a sequence of operations specified by instructions in memory.
    • B. is the device where information is stored
    • C. is a sequence of instructions
    • D. is typically characterized by interactive processing and time-slicing of the CPU's time to allow quick response to each user.
    • E. None of the above
    • Discuss


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