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- Question
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
- Correct Answer
- pages out pages that have been least used recently
- 1. 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
- 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
- 3. 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
- 4. Which of the following are(is) Language Processor(s)
Options- A. assembles
- B. compilers
- C. interpreters
- D. All of the above
- E. None of the above Discuss
- 5. Assembly code data base is associated with
Options- A. assembly language version of the program which is created by the code generation phase and is input to the assembly phase.
- B. a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure.
- C. consists of a full or partial list or the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation.
- D. a permanent table which lists all key words and special symbols of the language in symbolic form.
- E. None of the above Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. Resolution of externally defined symbols is performed by
Options- A. Linker
- B. Loader
- C. Compiler
- D. Assembler
- E. None of the above Discuss
- 10. 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
Operating Systems Concepts problems
Search Results
Correct Answer: preemptive scheduling
Correct Answer: Default values
Correct Answer: is the device where information is stored
Correct Answer: All of the above
Correct Answer: assembly language version of the program which is created by the code generation phase and is input to the assembly phase.
Correct Answer: 1
Correct Answer: 5.0
Correct Answer: a program in execution
Correct Answer: Linker
Correct Answer: internal command instructions
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