Operating Systems Concepts problems
- 1. Memory
Options- A. is a device that performs a sequence of operations specified by instructions in memory.
- B. is the device where information is stored
- C. is a sequence of instructions
- D. is typically characterized by interactive processing and time-slicing of the CPU's time to allow quick response to each user.
- E. None of the above Discuss
Correct Answer: is the device where information is stored
- 2. What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?
Options- A. Defined values
- B. Fixed values
- C. Default values
- D. Special values
- E. None of the above Discuss
Correct Answer: Default values
- 3. The strategy of allowing processes that are logically runnable to be temporarily suspended is called
Options- A. preemptive scheduling
- B. non preemptive scheduling
- C. shortest job first
- D. first come first served
- E. None of the above Discuss
Correct Answer: preemptive scheduling
- 4. The LRU algorithm
Options- A. pages out pages that have been used recently
- B. pages out pages that have not been used recently
- C. pages out pages that have been least used recently
- D. pages out the first page in a given area
- E. None of the above Discuss
Correct Answer: pages out pages that have been least used recently
- 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
Correct Answer: 1
- 6. 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
Correct Answer: 5.0
- 7. 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
Correct Answer: a program in execution
- 8. Resolution of externally defined symbols is performed by
Options- A. Linker
- B. Loader
- C. Compiler
- D. Assembler
- E. None of the above Discuss
Correct Answer: Linker
- 9. 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
Correct Answer: internal command instructions
- 10. 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 Discuss
Correct Answer: DISKCOPY
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