CS609 Final Term Quiz 4 Combined

CURRENT MCQS FALL 2023

Q1. What does the system affinity mask indicate?

•  The active process masks
•  The Windows version
•  The number of threads
•  The number of processors on the System TOPIC 126

Q2. How much virtual address space is consumed by 100 threads?

•  100MB
•  1GB CONCEPT
•  10GB
•  1TB

Q3. What is default stack size for each thread in a memory?

•  100MB
•  1GB
•  1MB TOPIC 126
•  10MB

Q4. What type of Lock is an SRW LOCK?

•  Kernel Lock & Spin Lock
•  Spin Lock & Shared Lock
•  Exclusive Lock and Shared Lock TOPIC 174
•  Shard Lock Only

5. Which is Fastest Locking mechanism

•  SRW Lock
•  Mutex
•  Interlocked Function TOPIC 174

6. _____API open an Existing threads handler from a Thread ID.

•  GetThreadID()
•  GetcurrentThreadId()
•  OpenThread() TOPIC 114
•  GetCurrentThread()

7. The use of______ensure that the main memory is updated and catch of all the processor is coherent.

•  Memory Barrier TOPIC 134
•  Volatile qualifier & Global Flag
•  Volatile qualifier
•  Global Flag

8. For Mutual exclusion to work_______ variables() must be protected by a single synchronization object across all threads.

•  Important
•  Local
•  Shared TOPIC 141
•  Local Integer

Q9. What is the size of an SRW Lock?

•  32 bits & 16 bits
•  64 bits & 8 bits
•  8 bits & 16 bits
•  32 bits & 64 bits TOPIC 163

Q10. What is the purpose of a critical section in a program with a mutex?

•  To define a specific of code that can only be executed by one thread at a time CONCEPT
•  To allocate memory dynamically
•  To create a user interface
•  To calculate mathematical expression

11. Inherited Handlers of parent and Child processor have_____copies and own states.

•  Similar
•  Distinct TOPIC 92
•  Related
•  Connected

Q12. When CreateThreadpoolWork() is called then_____ is(are) executed using the process thread pool?

•  Callback Functions TOPIC 173
•  Kernel Functions
•  Kernal Routines
•  Work Object Code

13. If you want to create 4 thread i.e, thread 0, thread 1, thread 2, and thread 3, they all must be created at _____ state.

•  Suspended TOPIC 120
•  Block
•  Running
•  Ready

14. _______Function is used to return the address of the currently running fiber. TOPIC 129
15. A fiber can obtain its identity by calling____API TOPIC 129
16. A fiber can obtain their data by calling____API TOPIC 129
17. A fiber can be created by using______threads

•  CreatFiber() TOPIC 129

18. A fiber can gives control______

•  SwitchToFiber() TOPIC 129

19. Which fiber can be deleting using______ Threads

•  DeleteFiber() TOPIC 129

20. For the efficient use of critical Section and mutex, the thread priority should be decided by the _________.

•  Program
•  OS Scheduler TOPIC 154
•  Mutex

21. If entry point of DLL is not specified, then it is an example of_______ linking.

•  Explicit
•  Implicit TOPIC 183
•  Explicit & Implicit
•  Dynamic

22. _______can be used to assign a thread to a specific processor

•  Memory Management Unit
•  Device Driver
•  Process Affinity TOPIC 179
•  Loader

Q23. How does a Mutex provide synchronization in a program?

•  By Locking access to shared resources TOPIC 138
•  By allocating memory dynamically
•  By creating a user interface
•  By calculating mathematical Expression

24. A process have____ID(s) and _____handle(s)

•  Unique,unique
•  Unique,multiple CINCEPTUAL A process has one Process ID and one or more handles.