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- Question
Poor response times are caused by
Options- A. Processor busy
- B. High I/O rate
- C. High paging rates
- D. Any of the above
- E. None of the above
- Correct Answer
- Any of the above
- 1. Which of the following is not an advantage of multiprogramming?
Options- A. increased throughput
- B. shorter response time
- C. decreased operating-system overhead
- D. ability to assign priorities to jobs
- E. None of the above Discuss
- 2. Daisy chain is a device for
Options- A. connecting a number of controllers to a device
- B. connecting a number of devices to a controller
- C. interconnecting a number of devices to a number of controllers
- D. all of the above
- E. None of the above Discuss
- 3. Can you name of the major Operating System used in computers?
Options- A. MS DOS
- B. OS/2
- C. UNIX
- D. All of the above
- E. None of the above Discuss
- 4. Under virtual storage,
Options- A. a single program is processed by two or more CPUs
- B. two or more programs are stored concurrently in primary storage
- C. only the active pages of a program are stored in primary storage
- D. interprogram interference may occur
- E. None of the above Discuss
- 5. Which of the following system program forgoes the production of object code to generate absolute machine code and load it into the physical main storage location from which it will be executed immediately upon completion of the assembly?
Options- A. two pass assembler
- B. load-and-go assembler
- C. macroprocessor
- D. compiler
- E. None of the above Discuss
- 6. Which of the following statement is true.
Options- A. The LRU algorithm pages out pages that have been used recently
- B. Thrashing is a natural consequence of virtual memory systems.
- C. Seek analysis is used for analysing control-unit busy problems.
- D. All of the above
- E. None of the above Discuss
- 7. The most common security failure is
Options- A. carelessness by users
- B. depending on passwords
- C. too much emphasis on preventing physical access
- D. insufficient technology used to prevent breaches
- E. None of the above Discuss
- 8. What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?
Options- A. XENIX
- B. UNIX
- C. OS/2
- D. MS DOS
- E. None of the above Discuss
- 9. Part of a program where the shared memory is accessed and which should be executed invisibly, is called
Options- A. semaphores
- B. directory
- C. critical section
- D. mutual exclusion
- E. None of the above Discuss
- 10. Object code
Options- A. is ready to execute
- B. is the output of compilers, but not assemblers
- C. must be "loaded" before execution
- D. must be rewritten before execution
- E. None of the above Discuss
Operating Systems Concepts problems
Search Results
Correct Answer: decreased operating-system overhead
Correct Answer: connecting a number of devices to a controller
Correct Answer: All of the above
Correct Answer: only the active pages of a program are stored in primary storage
Correct Answer: load-and-go assembler
Correct Answer: Seek analysis is used for analysing control-unit busy problems.
Correct Answer: carelessness by users
Correct Answer: UNIX
Correct Answer: critical section
Correct Answer: must be "loaded" before execution
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