Operating Systems Concepts problems
- 1. 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
Correct Answer: compaction does not involve relocation of programs
- 2. 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
Correct Answer: Nassi-Shneiderman diagram
- 3. 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
Correct Answer: allows processes to synchronize activity
- 4. 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
Correct Answer: can be temporarily removed by compaction
- 5. 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
Correct Answer: can be caused by poor paging algorithms
- 6. User-Friendly Systems are:
Options- A. required for object-oriented programming
- B. easy to develop
- C. common among traditional mainframe operating systems
- D. becoming more common
- E. None of the above Discuss
Correct Answer: becoming more common
- 7. Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears?
Options- A. ascending
- B. sorting
- C. index
- D. indirect
- E. None of the above Discuss
Correct Answer: index
- 8. The part of machine level instruction, which tells the central processor what has to be done, is
Options- A. Operation code
- B. Address
- C. Locator
- D. Flip-Flop
- E. None of the above Discuss
Correct Answer: Operation code
- 9. The Memory Buffer Register (MBR)
Options- A. is a hardware memory device which denotes the location of the current instruction being executed.
- B. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
- C. contains the address of the memory location that is to be read from or stored into.
- D. contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
- E. None of the above Discuss
Correct Answer: contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
- 10. What is the name of the operating system for the laptop computer called MacLite?
Options- A. Windows
- B. DOS
- C. MS-DOS
- D. OZ
- E. None of the above Discuss
Correct Answer: OZ
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