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Home Computer Science Operating Systems Concepts See What Others Are Saying!
  • Question
  • The Register - to - Register (RR) 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, except 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 leave the result in one of the registers.
  • D. all of the above
  • E. None of the above

  • Correct Answer
  • which perform indicated operations on two fast registers of the machine and leave the result in one of the registers. 


  • More questions

    • 1. A protocol is a set of rules governing a time sequence of events that must take place

    • Options
    • A. between peers
    • B. between modems
    • C. between an interface
    • D. across an interface
    • E. None of the above
    • Discuss
    • 2. The manager attempts to expedite, or speed up, the flow of

    • Options
    • A. machines
    • B. manpower
    • C. material
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. The file created yesterday is called the

    • Options
    • A. "son" file
    • B. "father" file
    • C. "mother" file
    • D. "grandfather file"
    • E. None of the above
    • Discuss
    • 4. The manager, in using the systems approach, should subdivide the firm into subsystems based on

    • Options
    • A. functional areas-marketing, finance, and manufacturing
    • B. management levels-strategic, tactical, and operational
    • C. resource flows-manpower, money, machines, and material
    • D. any of the above represent acceptable subsystem divisions.
    • E. None of the above
    • Discuss
    • 5. Which of the following is the main Apache configuration file?

    • Options
    • A. httpd.conf
    • B. apache.con
    • C. /etc/profile
    • D. system.ini
    • E. None of the above
    • Discuss
    • 6. How can you rebuild the RPM file to include the new patches?

    • Options
    • A. - - recompile
    • B. - - rebuild
    • C. - - generate
    • D. - - execute
    • E. None of the above
    • Discuss
    • 7. Producer consumer problem can be solved using

    • Options
    • A. semaphores
    • B. event counters
    • C. monitors
    • D. all of the above
    • E. None of the above
    • Discuss
    • 8. X.21 is

    • Options
    • A. a method of determining which device has access to the transmission medium at any time
    • B. a method access control technique for multiple-access transmission media
    • C. a very common bit-oriented data link protocol issued by ISO
    • D. network access standard for connecting stations to a circuit-switched network
    • E. None of the above
    • Discuss
    • 9. An ROP would be attached to a

    • Options
    • A. simplex channel
    • B. duplex channel
    • C. half duplex channel
    • D. full duplex channel
    • E. None of the above
    • Discuss
    • 10. With respect to data input, the most accurate description of batch control is

    • Options
    • A. dividing documents to be entered into batches
    • B. controlling the input of each input clerk
    • C. comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system
    • D. All of the above
    • E. None of the above
    • Discuss


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