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Computer Science
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Operating Systems Concepts
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Question
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
Correct Answer
hardware
Operating Systems Concepts problems
Search Results
1. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: linker
2. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: mutual exclusion
3. Object code
Options
A. is ready to execute
B. is the output of compilers, but not assemblers
C. must be "loaded" before execution
D. must be rewritten before execution
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: must be "loaded" before execution
4. Part of a program where the shared memory is accessed and which should be executed invisibly, is called
Options
A. semaphores
B. directory
C. critical section
D. mutual exclusion
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: critical section
5. What is the name of the operating system which was originally designed by scientists and engineers for use by scientists and engineers?
Options
A. XENIX
B. UNIX
C. OS/2
D. MS DOS
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: UNIX
6. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: All of the above
7. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: is less secure than end-to-end encryption
8. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: inquires to see if a terminal has any transaction to send
9. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: an interpreter
10. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: Interpreter generates an object program from the source program
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