Operating System Quiz

1. The set of all physical addresses corresponding to these logical addresses is referred to as?

Logical address space.
Physical address space.
MMU address space
Virtual address space.

2. Which of the following few common services provided by an operating system?

Protection
Program execution
I/O operations
All of the above

3. The string of memory references is ?

Page Replacement
Reference String
Memory References
Page References

4. Two processes often require data to be transferred between them. The major activities of an operating system with respect to?

Error handling
Resource Management
Protection
Communication

5. Swapping is also known as a

technique for memory management
technique for memory compaction
technique for memory addresse
technique for dynamic linking

6. What does file system do?

Keeps track of information
Keeps track of location
Keeps track of information status
All of the above

7. In Space Allocation, Which of the following ways are correct to allocate disk space to files?

Contiguous Allocation
Linked Allocation
Indexed Allocation
All of the above

8. Multitasking Operating Systems are also known as?

Processing system
Time-sharing system
Real Time system
Distributed system

9. In multiprogramming environment, the OS decides which process gets the processor when and for how much time. This function is called _____________.

process scheduling
process rescheduling
traffic controller
Processor Management

10. consider the following sequence of addresses : 123,215,600,1234,76,96. If page size is 100, then the reference string is?

1,2,6,12
12,21,60,123,7,9
1,2,6,12,0,0
0,2,6,12,0,0