OS Quiz 2017

The operating system is an example of a computer
Program
File system
Object
Desktop
The unit of dispatching is usually referred to as a ………
Thread
Lightweight process
Process
Both A and B
In process scheduling, …………………… determines when new processes are admitted to the system.
Long term scheduling
Medium term scheduling
Short term scheduling
None of the above
The ……………. Determines when a page should be brought into main memory.
Fetch policy
Placement policy
Replacement policy
Resident set management
The process that are residing in the main memory and are waiting to execute are kept on a list called the ............
Job queue
Ready queue
Wait queue
Device queue
€………………. Techniques can be used to resolve conflicts, such as competition for resources, and to synchronize processes so that they can cooperate.
Mutual Exclusion
Busy Waiting
Deadlock
Starvation
Round robin scheduling is essentially the preemptive version of ...........
Shortest job first
Shortest remaining
Longest time first
First in first out
Operating System means ........................
A way of computer drives works
A set of devices and programs
A set of programs which controls computer working.
All of the above
Virtual memory is
An extremely large main memory
An illusion of extremely large main memory
An extremely large secondary memory
A type of memory used in super computers
A small program which loads OS into the memory is called as .........
ROM
BIOS
BOOTSTRAP LOADER
RAM
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