Operating Systems Concepts problems
- 1. A relationship between processes such that each has some part (critical section) which must not be executed while the critical section of another is being executed, is known as
Options- A. semaphore
- B. mutual exclusion
- C. multiprogramming
- D. multitasking
- E. None of the above Discuss
Correct Answer: mutual exclusion
- 2. Object modules generated by assemblers that contain unresolved external references are resolved for two or more object modules by a/an
Options- A. operating system
- B. loader
- C. linker
- D. compiler
- E. None of the above Discuss
Correct Answer: linker
- 3. The operating system of a computer serves as a software interface between the user and
Options- A. hardware
- B. peripheral
- C. memory
- D. screen
- E. None of the above Discuss
Correct Answer: hardware
- 4. Which are the most important features of Microsoft Windows program?
Options- A. Windows
- B. Pull-down menus
- C. Icons
- D. All of the above
- E. None of the above Discuss
Correct Answer: All of the above
- 5. Link encryption
Options- A. is more secure than end-to-end encryption
- B. is less secure than end-to-end encryption
- C. can not be used in a public network
- D. is used only to debug
- E. None of the above Discuss
Correct Answer: is less secure than end-to-end encryption
- 6. The term 'polling' in a computer means a process by which a computer system
Options- A. detects/corrects errors
- B. multiplexes the inputs and updates the memory accordingly
- C. decides correct alternative by analysing several ones
- D. inquires to see if a terminal has any transaction to send
- E. None of the above Discuss
Correct Answer: inquires to see if a terminal has any transaction to send
- 7. Which of the following might be used to convert high-level language instructions into machine language?
Options- A. system software
- B. applications software
- C. an operating environment
- D. an interpreter
- E. None of the above Discuss
Correct Answer: an interpreter
- 8. Indicate which, of the following, in not true about an interpreter
Options- A. Interpreter generates an object program from the source program
- B. Interpreter is a kind of translator
- C. Interpreter analyses each source statement every time it is to be executed
- D. All of the above
- E. None of the above Discuss
Correct Answer: Interpreter generates an object program from the source program
- 9. Terminal Table
Options- A. contains all constants in the program
- 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 of 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
Correct Answer: a permanent table which lists all key words and special symbols of the language in symbolic form.
- 10. The term "operating system" means
Options- A. a set of programs which controls computer working
- B. the way a computer operator works
- C. conversion of high level language into machine code
- D. the way a floppy disk drive operates
- E. None of the above Discuss
Correct Answer: a set of programs which controls computer working
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