MCQOPTIONS
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MCQOPTIONS
This section includes 31 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A method used to force one thread to wait for another thread to finish. |
| A. | join() |
| B. | connect() |
| C. | combine() |
| D. | concat() |
| Answer» B. connect() | |
| 2. |
A method used to temporarily release time for other threads. |
| A. | yield() |
| B. | set() |
| C. | release() |
| D. | start() |
| Answer» B. set() | |
| 3. |
Both client and server release _________ connection after a page has been transferred. |
| A. | IP |
| B. | TCP |
| C. | Hyperlink |
| D. | Network |
| Answer» C. Hyperlink | |
| 4. |
Multithreading is also called as ____________ |
| A. | Concurrency |
| B. | Simultaneity |
| C. | Crosscurrent |
| D. | Recurrent |
| Answer» B. Simultaneity | |
| 5. |
Each thread is a single stream of execution. |
| A. | False |
| B. | True |
| Answer» B. True | |
| 6. |
Multithreading is a mechanism for splitting up a program into several parallel activities called _________ |
| A. | Methods |
| B. | Objects |
| C. | Classes |
| D. | Threads |
| Answer» D. Threads | |
| 7. |
What is the result for HandleGet()? |
| A. | Null |
| B. | Zero |
| C. | Empty |
| D. | Origin |
| Answer» B. Zero | |
| 8. |
The method will be executed once the thread’s ______ method is called. |
| A. | EventBegin |
| B. | EventStart |
| C. | Begin |
| D. | Start |
| Answer» E. | |
| 9. |
WHAT_IS_THE_RESULT_FOR_HANDLEGET()??$ |
| A. | Null |
| B. | Zero |
| C. | Empty |
| D. | Origin |
| Answer» B. Zero | |
| 10. |
A_METHOD_USED_TO_TEMPORARILY_RELEASE_TIME_FOR_OTHER_THREADS.?$ |
| A. | yield() |
| B. | set() |
| C. | release() |
| D. | start() |
| Answer» B. set() | |
| 11. |
Each thread is a single stream of execution.$ |
| A. | False |
| B. | True |
| Answer» B. True | |
| 12. |
Multithreading is a mechanism for splitting up a program into several parallel activities called _________$ |
| A. | Methods |
| B. | Objects |
| C. | Classes |
| D. | Threads |
| Answer» D. Threads | |
| 13. |
A_method_used_to_force_one_thread_to_wait_for_another_thread_to_finish.$ |
| A. | join() |
| B. | connect() |
| C. | combine() |
| D. | concat() |
| Answer» B. connect() | |
| 14. |
What is the switching speed? |
| A. | 60 times per second |
| B. | 50 times per second |
| C. | 55 times per second |
| D. | 66 times per second |
| Answer» C. 55 times per second | |
| 15. |
Scheduler switch threads in ________ |
| A. | Multilevel queue scheduling |
| B. | Priority Scheduling |
| C. | Round robin fashion |
| D. | Multilevel feedback queue scheduling |
| Answer» D. Multilevel feedback queue scheduling | |
| 16. |
Multithreading on a single processor is possible with the help of _________ |
| A. | Threader |
| B. | Scheduler |
| C. | Method |
| D. | Divider |
| Answer» C. Method | |
| 17. |
What is HandleGet() method function? |
| A. | Current buffer state, with changing |
| B. | Current buffer state, without changing |
| C. | Previous buffer state, with changing |
| D. | Previous buffer state, without changing |
| Answer» C. Previous buffer state, with changing | |
| 18. |
A thread becomes non runnable when? |
| A. | Its stop method is invoked |
| B. | Its sleep method is invoked |
| C. | Its finish method is invoked |
| D. | Its init method is invoked |
| Answer» C. Its finish method is invoked | |
| 19. |
In HandlePut(object o), o represents? |
| A. | Null |
| B. | Zero |
| C. | Empty |
| D. | Origin |
| Answer» B. Zero | |
| 20. |
An interface that is implemented while using threads. |
| A. | java.lang.Run |
| B. | java.lang.Runnable |
| C. | java.lang.Thread |
| D. | java.lang.Threads |
| Answer» C. java.lang.Thread | |
| 21. |
HandlePut(object o) performs what? |
| A. | Fixing values |
| B. | Locking |
| C. | Changing values |
| D. | Unlocking |
| Answer» E. | |
| 22. |
A method that must be overridden while extending threads. |
| A. | run() |
| B. | start() |
| C. | stop() |
| D. | paint() |
| Answer» B. start() | |
| 23. |
_______ method puts zero into the buffer. |
| A. | HandlePut(object o) |
| B. | HandletGet(object o) |
| C. | HandletGet() |
| D. | HandletPut() |
| Answer» B. HandletGet(object o) | |
| 24. |
Java extension used in threads? |
| A. | java.lang.Thread |
| B. | java.language.Thread |
| C. | java.lang.Threads |
| D. | java.Thread |
| Answer» B. java.language.Thread | |
| 25. |
An instance of class Buffer provides a threadsafe way of communication between ________ |
| A. | Actors |
| B. | Objects |
| C. | Locking |
| D. | Buffer |
| Answer» C. Locking | |
| 26. |
Command to make thread sleep? |
| A. | Thread.Sleep |
| B. | Thread_Sleep |
| C. | ThreadSleep |
| D. | Thread_sleep |
| Answer» B. Thread_Sleep | |
| 27. |
A single sequential flow of control within a program is ________ |
| A. | Process |
| B. | Task |
| C. | Thread |
| D. | Structure |
| Answer» D. Structure | |
| 28. |
The method will be executed once the thread’s ______ method is called.$ |
| A. | EventBegin |
| B. | EventStart |
| C. | Begin |
| D. | Start |
| Answer» E. | |
| 29. |
Multiprocessing allows single processor to run several concurrent threads. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 30. |
In ______ an object of type Thread in the namespace System.Threading represents and controls one thread. |
| A. | . PY |
| B. | .SAP |
| C. | .NET |
| D. | .EXE |
| Answer» D. .EXE | |
| 31. |
_______ makes it possible for two or more activities to execute in parallel on a single processor. |
| A. | Multithreading |
| B. | Threading |
| C. | SingleThreading |
| D. | Both Multithreading and SingleThreading |
| Answer» B. Threading | |