Operating Systems Concepts problems
- 1. Page stealing
Options- A. is a sign of an efficient system
- B. is taking page frames from other working sets
- C. should be the tuning goal
- D. is taking larger disk spaces for pages paged out
- E. None of the above Discuss
Correct Answer: is taking page frames from other working sets
- 2. System generation:
Options- A. is always quite simple
- B. is always very difficult
- C. varies in difficulty between systems
- D. requires extensive tools to be understandable
- E. None of the above Discuss
Correct Answer: varies in difficulty between systems
- 3. Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart?
Options- A. S = B - C
- B. IS A<10
- C. PRINT A
- D. DATA X,4Z
- E. None of the above Discuss
Correct Answer: IS A<10
- 4. In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with
Options- A. recognition of basic syntactic constructs through reductions.
- B. recognition of basic elements and creation of uniform symbols
- C. creation of more optional matrix.
- D. use of macro processor to produce more optimal assembly code
- E. None of the above Discuss
Correct Answer: recognition of basic elements and creation of uniform symbols
- 5. Memory management is :
Options- A. not used in modern operating system
- B. replaced with virtual memory on current systems
- C. not used on multiprogramming systems
- D. critical for even the simplest operating systems
- E. None of the above Discuss
Correct Answer: critical for even the simplest operating systems
- 6. Supervisor state is
Options- A. never used
- B. entered by programs when they enter the processor
- C. required to perform any I/O
- D. only allowed to the operating system
- E. None of the above Discuss
Correct Answer: only allowed to the operating system
- 7. The Storage-to-Storage instructions
Options- A. have both their operands in the main store.
- B. which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, expect in the case of store operation when it is also written into the specified storage location.
- C. which perform indicated operations on two fast registers of the machine and have the result in one of the registers
- D. all of the above
- E. None of the above Discuss
Correct Answer: have both their operands in the main store.
- 8. A system program that combines the separately compiled modules of a program into a form suitable for execution
Options- A. assembler
- B. linking loader
- C. cross compiler
- D. load and go
- E. None of the above Discuss
Correct Answer: linking loader
- 9. What is the name given to the organized collection of software that controls the overall operation of a computer?
Options- A. Working system
- B. Peripheral system
- C. Operating system
- D. Controlling system
- E. None of the above Discuss
Correct Answer: Operating system
- 10. The principle of locality of reference justifies the use of
Options- A. reenterable
- B. non reusable
- C. virtual memory
- D. cache memory
- E. None of the above Discuss
Correct Answer: cache memory
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