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CS604 Quiz#2 Solution and discussion
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CS604 Quiz#2.
Please post your current Quiz to help the students.
-
While executing the statement c++/c-- in Producer-Consumer problem, at back end certain number of
instructions are executed, if interleaving of statements happen, it create race condition. Tell number of
instructions that require “no interleaving” while executing c++/c–?3
1
2
0
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Software solution to critical section problem can run only in environment ______________.
Multiprocessor
Multithreading
Uniprocessor
Separate address spacingThe software-based solution is 2 processes also they are not guaranteed to work on modern computers architecture. The critical section problem could be solved simply in a uniprocessor environment if we prevent interrupts from occurring from uniprocessor environment.
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We can use semaphores to deal with the number of __________process critical section problem.
►n-process critical section problem
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Using hardware solution to synchronization for complex problems, introduce a new synchronization tool know as _______________.
- TestAndSet
- Semaphore (Page 111)
- Swap
- Trap
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The main memory is usually divided into partitions, one for __________ and other for __________.
- Operating System, User processes
- Operating system, CPU
- Processes, Virtual Memory
- Base Register, Limit Register
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The integer value of ________semaphores can range over an unrestricted integer domain.
►Counting (Page 117)
►Binary
►Mutex
►Bounded buffer
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The integer value of _________ semaphores can not be greater than 1.
►Counting
►Binary (Page 117)
►Mutex
►Bounded buffer
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Secondary storage memory devices have ____ memory.
►Volatile
►Permanent and non volatile Click here for detail
►Temporary
►None of the
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Object files and libraries are combined by a ------------- program to produce the executable binary
► Compiler
► Linker
► Text editor
► Loader Click here for detail
-
In Swapping technique of Memory Management, the total amount transfer time is directly proportional to the ___________.
- amount of memory swapped
- amount of space on backing store
- space on main memory
- all the given options are correct
-
In order to remove the problem like busy waiting, some high level synchronization constructs are defined. What
are they?►Critical regions and Monitors (Page 124)
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In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph
contains a _____________► Cycle (Page 147)
► Graph
► Edge
► Node
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External Fragmentation takes place in ______________
Select correct option:
- Multi programming with Variable Tasks (MVT)
- Multi programming with Fixed Tasks (MFT)
- Multi-tasking
- Paging
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Each page is a power of -------- bytes long in paging scheme.
► 2
► 3
► 4 (Page 167)
► 5
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----------holds the smallest legal physical memory address for a process CS604
Or
Which register holds the smallest legal physical memory address for a process?► Base register (Page 13)
► Limit register
►Status register
►None of the given options
