Operating System Online free model Test4

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Operating System Online Online Test4

1. Translator for low level programming language were termed as _____.
Assembler	Compiler
Linker	Loader

2. Analysis which determines the meaning of a statement once its grammatical structure becomes known is termed as _____.
Semantic analysis	Syntax analysis
Regular analysis	General analysis

3. Load address for the first word of the program is called ______.
Linker address origin	load address origin
Phase library	absolute library

4. Symbolic names can be associated with ____ .
Information	data or instruction
operand	mnemonic operation

5. The translator which perform macro expansion is called a ______.
Macro processor	Macro pre-processor
Micro pre-processor	assembler

6. Shell is the exclusive feature of _____.
UNIX	DOS
System software	Application software

7. A program in execution is called ____.
Process	Instruction
Procedure	Function

8. Interval between the time of submission and completion of the job is called _____ .
Waiting time	Turnaround time
Throughput	Response time

9. A scheduler which selects processes from secondary storage device is called _____ .
Short term scheduler	Long term scheduler
Medium term scheduler	Process scheduler

10. The scheduling in which CPU is allocated to the process with least CPU-burst time is called _____.
Priority Scheduling	Shortest job first Scheduling
Round Robin Scheduling	Multilevel Queue Scheduling

11. The term ‘page traffic’ describes ______ .
number of pages in memory at a given instant	number of papers required to be brought in at a given page request
the movement of pages in and out of memory	number of pages of executing programs loaded in memory

12. The “turn-around” time of a user job is the ______ .
time since its submission to the time its results become available	time duration for which the CPU is allotted to the job
total time taken to execute the job	time taken for the job to move from assembly phase to completion phase

13. Which of the following can be used as a criterion for classification of data structures used in language processing.
nature of a data structure	purpose of a data structure
lifetime of a data structure	all of the above

14. Memory utilization factor shall be computed as follows ______.
memory in use/allocated memory	memory in use/total memory connected
memory allocated/free existing memory	memory committed/total memory available

15. Program ‘preemption’ is _____ .
forced de allocation of the CPU from a program which is executing on the CPU	release of CPU by the program after completing its task
forced allotment of CPU by a program to itself	a program terminating itself due to detection of an error

16. An assembler is _____ .
programming language dependent	syntax dependant
machine dependant	data dependant

17. Which of the following is not a fundamental process state.
ready	terminated
executing	blocked

18. ‘LRU’ page replacement policy is _____.
Last Replaced Unit	Last Restored Unit
Least Recently Used	Least Required Unit

19. Which of the following is true?
Block cipher technique is an encryption technique	Steam cipher technique is an encryption technique
Both A and B	Neither of A and B

20. Which of the following approaches do not require knowledge of the system state?
deadlock detection	deadlock prevention
deadlock avoidance	none of the above