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  • Question
  • What is the name given to the organized collection of software that controls the overall operation of a computer?


  • Options
  • A. Working system
  • B. Peripheral system
  • C. Operating system
  • D. Controlling system
  • E. None of the above

  • Correct Answer
  • Operating system 


  • Operating Systems Concepts problems


    Search Results


    • 1. A system program that combines the separately compiled modules of a program into a form suitable for execution

    • Options
    • A. assembler
    • B. linking loader
    • C. cross compiler
    • D. load and go
    • E. None of the above
    • Discuss
    • 2. The Storage-to-Storage instructions

    • Options
    • A. have both their operands in the main store.
    • B. which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, expect in the case of store operation when it is also written into the specified storage location.
    • C. which perform indicated operations on two fast registers of the machine and have the result in one of the registers
    • D. all of the above
    • E. None of the above
    • Discuss
    • 3. Supervisor state is

    • Options
    • A. never used
    • B. entered by programs when they enter the processor
    • C. required to perform any I/O
    • D. only allowed to the operating system
    • E. None of the above
    • Discuss
    • 4. Memory management is :

    • Options
    • A. not used in modern operating system
    • B. replaced with virtual memory on current systems
    • C. not used on multiprogramming systems
    • D. critical for even the simplest operating systems
    • E. None of the above
    • Discuss
    • 5. In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with

    • Options
    • A. recognition of basic syntactic constructs through reductions.
    • B. recognition of basic elements and creation of uniform symbols
    • C. creation of more optional matrix.
    • D. use of macro processor to produce more optimal assembly code
    • E. None of the above
    • Discuss
    • 6. The principle of locality of reference justifies the use of

    • Options
    • A. reenterable
    • B. non reusable
    • C. virtual memory
    • D. cache memory
    • E. None of the above
    • Discuss
    • 7. A system program that sets up an executable program in main memory ready for execution is

    • Options
    • A. assembler
    • B. linker
    • C. loader
    • D. compiler
    • E. None of the above
    • Discuss
    • 8. Thrashing can be avoided if

    • Options
    • A. the pages, belonging to the working set of the programs, are in main memory
    • B. the speed of CPU is increased
    • C. the speed of I/O processor is increased
    • D. all of the above
    • E. None of the above
    • Discuss
    • 9. Addressing structure

    • Options
    • A. defines the fundamental method of determining effective operand addresses
    • B. are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
    • C. performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
    • D. all of the above
    • E. None of the above
    • Discuss
    • 10. Which of the following refers to the associative memory?

    • Options
    • A. the address of the data is generated by the CPU
    • B. the address of the data is supplied by the users
    • C. there is no need for an address i.e. the data is used as an address
    • D. the data are accessed sequentially
    • E. None of the above
    • Discuss


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