Computer Awareness Quiz - Operating System

Computer awareness quiz for today :-

OPERATING SYSTEM

Q1. Virtual Memory is:
a) An extremely large main memory
b) An extremely large secondary memory.
c) An illusion of an extremely large memory.
d) None of The Above

Q2.  Overlay is:
a) A part of an operating system
b) A single contiguous memory that is used in olden days for running large programs by swapping
c) Overloading the system with many user files
d) None of The Above

Q3. Concurrent Process are:
a) process that do not overlap in time
b) process that overlap in time
c) process that are executed by a processor at the same time
d) None of The Above

Q4. Fragmentation is:
a) Dividing the secondary memory into equal sized fragments 
b) Fragments of memory words used in a page
c) Fragments of memory words unused in a page 
d) None of The Above


Q5. Critical Region is:
a) a set of instructions that access common shared resources which exclude one another in time
b) the portion of the main memory which can be accessed only by one process at a time.
c) Both of The Above
d) None of The Above

Q6. Kernel is:
a) Considered as the critical part of the operating system
b) The software which monitors the operating system
c) the set of primitive functions upon which the rest of operating systems functions are built up 
d) None of The Above


Q7. With a single resources, deadlock occurs:
a) if there are more than two processes competing for that resources
b) if there are only two processes competing for that resource
c) if there is a single process competing for that resource
d) None of The Above


Q8. Necessary conditions for deadlock are:
a) Non preemptive and circular wait
b) Mutual exclusion and partial allocation
c) Both of The Above
d) None of The Above

Q9. Supervisor call:
a) it is call made by the supervisor of the system
b) are privileged calls that are used to perform resource management functions, which are controlled by the operating system
c) is a call made by someone working in root directory
d) None of The Above


Q10. Mutual exclusion problem occurs between:
a) processes that share resources
b) processes that do not use the same resources
c) two disjoint processes that do not interact 
d) None of The Above

Q11. Sector interleaving in disks is done by:
a) the disk manufacturer
b) the disk controller cord
c) the operating system 
d) None of The Above

Q12. Memory:
a) is an device that performs a sequence of operations specified by instructions in memory
b) is a sequence of instructions 
c) is the device where information is stored
d) None of The Above

Q13. A program:
a) is a device that performs a sequence of operations specified by instructions in memory
b) is a sequence of instructions
c) is the device where information is stored
d) None of The Above

Q14. A processor:
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 instructions only 
d) None of The Above

Q15. Assembler is:
a)  a program that places programs into memory and prepares them for execution
b) a program that automate the translation of assembly language into machine language
c) is a program that appears to execute a source program as if it were machine language
d) None of The Above


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