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- Question
While running DOS on a PC, which command would be used to duplicate the entire diskette?
Options- A. COPY
- B. DISKCOPY
- C. CHKDSK
- D. TYPE
- E. None of the above
- Correct Answer
- DISKCOPY
- 1. Which of the following are loaded into main memory when the computer is booted?
Options- A. internal command instructions
- B. external command instructions
- C. utility programs
- D. word processing instructions
- E. None of the above Discuss
- 2. Resolution of externally defined symbols is performed by
Options- A. Linker
- B. Loader
- C. Compiler
- D. Assembler
- E. None of the above Discuss
- 3. Process is
Options- A. program in High level language kept on disk
- B. contents of main memory
- C. a program in execution
- D. a job in secondary memory
- E. None of the above Discuss
- 4. In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?
Options- A. MS
- B. DOS
- C. MS DOS
- D. 5.0
- E. None of the above Discuss
- 5. To avoid the race condition, the number of processes that may be simultaneously inside their critical section is
Options- A. 8
- B. 1
- C. 16
- D. 0
- E. None of the above Discuss
- 6. Which of the following statements is false?
Options- A. the technique of storage compaction involves moving all occupied areas of storage to one end or other of main storage
- B. compaction does not involve relocation of programs
- C. compaction is also know as garbage collection
- D. the system must stop everything while it performs the compaction
- E. None of the above Discuss
- 7. Which of the following rules out the use of GO TO?
Options- A. Flowchart
- B. HIPO-DIAGRAMS
- C. Nassi-Shneiderman diagram
- D. All of the above
- E. None of the above Discuss
- 8. Interprocess communication
Options- A. is required for all processes
- B. is usually done via disk drives
- C. is never necessary,
- D. allows processes to synchronize activity Discuss
- 9. Fragmentation of the file system
Options- A. occurs only if the file system is used improperly
- B. can always be prevented
- C. can be temporarily removed by compaction
- D. is a characteristic of all file systems
- E. None of the above Discuss
- 10. Thrashing
Options- A. is a natural consequence of virtual memory systems
- B. can always be avoided by swapping
- C. always occurs on large computers
- D. can be caused by poor paging algorithms
- E. None of the above Discuss
Operating Systems Concepts problems
Search Results
Correct Answer: internal command instructions
Correct Answer: Linker
Correct Answer: a program in execution
Correct Answer: 5.0
Correct Answer: 1
Correct Answer: compaction does not involve relocation of programs
Correct Answer: Nassi-Shneiderman diagram
Correct Answer: allows processes to synchronize activity
Correct Answer: can be temporarily removed by compaction
Correct Answer: can be caused by poor paging algorithms
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