Operating Systems Concepts problems
- 1. Which of the following, is necessary to work on a computer
Options- A. Compiler
- B. Operating system
- C. Assembly
- D. Interpreter of the above
- E. None of the above Discuss
Correct Answer: Operating system
- 2. The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called
Options- A. Software
- B. Shareware
- C. Firmware
- D. Mindware
- E. None of the above Discuss
Correct Answer: Shareware
- 3. Under multiprograming, turnaround time for short jobs is usually _____ and that for long jobs is slightly _____.
Options- A. lengthened; shortened
- B. shortened; lengthened
- C. shortened; shortened
- D. lengthened; lengthened
- E. None of the above Discuss
Correct Answer: shortened; lengthened
- 4. Special software to create a job queue is called a
Options- A. Drive
- B. Spooler
- C. Interpreter
- D. Linkage editor
- E. None of the above Discuss
Correct Answer: Spooler
- 5. The most common systems security method is
Options- A. passwords
- B. encryption
- C. firewall
- D. all of the above
- E. None of the above Discuss
Correct Answer: passwords
- 6. A form of code that uses more than one process and processor, possibly of different type, and that may on occasions have more than one process or processor active at the same time, is known as
Options- A. multiprogramming
- B. multi threading
- C. broadcasting
- D. time sharing
- E. None of the above Discuss
Correct Answer: multi threading
- 7. All the time a computer is switched on, its operating system software has to stay in
Options- A. main storage
- B. primary storage
- C. floppy disk
- D. disk drive
- E. None of the above Discuss
Correct Answer: primary storage
- 8. The disadvantages of "Compile and Go" loading scheme is (are):
Options- A. a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.
- B. it is necessary to retranslate the user's program deck every time it is run.
- C. it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.
- D. all of the above
- E. None of the above Discuss
Correct Answer: all of the above
- 9. Virtual Memory
Options- A. is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
- B. consists of those addresses that may be generated by a processor during execution of a computation.
- C. is a method of allocating processor time.
- D. allows multiple programs to reside in separate areas of core at the time.
- E. None of the above Discuss
Correct Answer: consists of those addresses that may be generated by a processor during execution of a computation.
- 10. The table created by lexical analysis to describe all literals used in the source program, is
Options- A. Terminal table
- B. Literal table
- C. Identifier table
- D. Reductions
- E. None of the above Discuss
Correct Answer: Literal table
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