Operating Systems Concepts problems
- 1. In which addressing mode the operand is given explicitly in the instruction?
Options- A. absolute mode
- B. immediate mode
- C. indirect mode
- D. index mode
- E. None of the above Discuss
Correct Answer: immediate mode
- 2. The advantage(s) of incorporating the macro processor into pass 1 is(are):
Options- A. many functions do not have to be implemented twice.
- B. Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
- C. more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
- D. all of the above
- E. None of the above Discuss
Correct Answer: all of the above
- 3. The state transition initiated by the user process itself in an operating system is
Options- A. block
- B. dispatch
- C. wake up
- D. timer run out
- E. None of the above Discuss
Correct Answer: block
- 4. The problem of thrashing is affected significantly by:
Options- A. program structure
- B. program size
- C. primary-storage size
- D. all of the above
- E. None of the above Discuss
Correct Answer: program structure
- 5. A partitioned data set is most used for
Options- A. a program or source library
- B. storing program data
- C. storing backup information
- D. storing ISAM files
- E. None of the above Discuss
Correct Answer: a program or source library
- 6. When a computer is first turned on or restarted, a special type of absolute loader is executed, called a
Options- A. "Compile and Go" loader
- B. Boot loader
- C. Bootstrap loader
- D. Relating loader
- E. None of the above Discuss
Correct Answer: Bootstrap loader
- 7. Which of the following software types is used to simplify using systems software?
Options- A. spreadsheet
- B. operating environment
- C. timesharing
- D. multitasking
- E. None of the above Discuss
Correct Answer: timesharing
- 8. Scheduling is
Options- A. allowing jobs to use the processor
- B. unrelated to performance consideration
- C. not required in uniprocessor systems
- D. the same regard-less of the purpose of the system
- E. None of the above Discuss
Correct Answer: allowing jobs to use the processor
- 9. In MS-DOS, relocatable object files and load modules have extensions
Options- A. .OBJ and .COM or .EXE, respectively
- B. .COM and .OBJ, respectively
- C. .EXE and .OBJ, respectively
- D. .DAS and .EXE, respectively
- E. None of the above Discuss
Correct Answer: .OBJ and .COM or .EXE, respectively
- 10. The computational technique used to compute the disk storage address of individual records is called:
Options- A. bubble memory
- B. key fielding
- C. dynamic reallocation
- D. hashing
- E. None of the above Discuss
Correct Answer: hashing
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