MCQOPTIONS
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MCQOPTIONS
This section includes 170 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Message passing system allows processes to |
| A. | communicate with one another without resorting to shared data |
| B. | communicate with one another by resorting to shared data |
| C. | share data |
| D. | name the recipient or sender of the message |
| Answer» B. communicate with one another by resorting to shared data | |
| 2. |
A view shows the system hardware and how software components are distributed across the processors in the system. |
| A. | physical |
| B. | logical |
| C. | process |
| D. | all of the mentioned |
| Answer» B. logical | |
| 3. |
Computer has a built-in system clock that emits millions of regularly spaced electric pulses per called clock cycles. |
| A. | second |
| B. | millisecond |
| C. | microsecond |
| D. | minute |
| Answer» B. millisecond | |
| 4. |
Each instruction in ARM machines is encoded into Word. |
| A. | 2 byte |
| B. | 3 byte |
| C. | 4 byte |
| D. | 8 byte |
| Answer» D. 8 byte | |
| 5. |
Which of the following works by dividing the processor’s time? |
| A. | single task operating system |
| B. | multitask operating system |
| C. | kernel |
| D. | applications |
| Answer» C. kernel | |
| 6. |
In the Zero capacity queue |
| A. | the queue can store at least one message |
| B. | the sender blocks until the receiver receives the message |
| C. | the sender keeps sending and the messages don’t wait in the queue |
| D. | none of the mentioned |
| Answer» C. the sender keeps sending and the messages don’t wait in the queue | |
| 7. |
The number of clock cycles per second is referred as |
| A. | clock speed |
| B. | clock frequency |
| C. | clock rate |
| D. | clock timing |
| Answer» B. clock frequency | |
| 8. |
Processor which is complex and expensive to produce is |
| A. | risc |
| B. | epic |
| C. | cisc |
| D. | multi-core |
| Answer» D. multi-core | |
| 9. |
Which of the following are TRUE for direct communication? |
| A. | a communication link can be associated with n number of process(n = max. number of processes supported by system) |
| B. | a communication link can be associated with exactly two processes |
| C. | exactly n/2 links exist between each pair of processes(n = max. number of processes supported by system) |
| D. | exactly two link exists between each pair of processes |
| Answer» C. exactly n/2 links exist between each pair of processes(n = max. number of processes supported by system) | |
| 10. |
USB 2.0 full speed compliant device controller with of end point RAM. |
| A. | 6 kb |
| B. | 4 kb |
| C. | 2 kb |
| D. | 8 kb |
| Answer» D. 8 kb | |
| 11. |
The architecture that uses a tighter coupling between the compiler and the processor is |
| A. | epic |
| B. | multi-core |
| C. | risc |
| D. | cisc |
| Answer» B. multi-core | |
| 12. |
In the non blocking send |
| A. | the sending process keeps sending until the message is received |
| B. | the sending process sends the message and resumes operation |
| C. | the sending process keeps sending until it receives a message |
| D. | none of the mentioned |
| Answer» C. the sending process keeps sending until it receives a message | |
| 13. |
The link between two processes P and Q to send and receive messages is called |
| A. | communication link |
| B. | message-passing link |
| C. | synchronization link |
| D. | all of the mentioned |
| Answer» B. message-passing link | |
| 14. |
Which of the following two operations are provided by the IPC facility? |
| A. | write & delete message |
| B. | delete & receive message |
| C. | send & delete message |
| D. | receive & send message |
| Answer» E. | |
| 15. |
The primary objective of formal technical reviews is to find during the process so that they do not become defects after release of the software. |
| A. | errors |
| B. | equivalent faults |
| C. | failure cause |
| D. | none of the mentioned |
| Answer» B. equivalent faults | |
| 16. |
What is not included in prevention costs? |
| A. | quality planning |
| B. | formal technical reviews |
| C. | test equipment |
| D. | equipment calibration and maintenance |
| Answer» E. | |
| 17. |
bit ARM7TDMI controller is present? |
| A. | 128 bit |
| B. | 8 bit |
| C. | 64 bit |
| D. | 32 bit |
| Answer» E. | |
| 18. |
The operation that does not involves clock cycles is |
| A. | installation of a device |
| B. | execute |
| C. | fetch |
| D. | decode |
| Answer» B. execute | |
| 19. |
Which view in architectural design shows the key abstractions in the system as objects or object classes? |
| A. | physical |
| B. | development |
| C. | logical |
| D. | process |
| Answer» D. process | |
| 20. |
MAR stands for |
| A. | memory address register |
| B. | main address register |
| C. | main accessible register |
| D. | memory accessible register |
| Answer» B. main address register | |
| 21. |
If the period of a process is ‘p’, then what is the rate of the task? |
| A. | p2 |
| B. | 2*p |
| C. | 1/p |
| D. | p |
| Answer» D. p | |
| 22. |
The Zero Capacity queue |
| A. | is referred to as a message system with buffering |
| B. | is referred to as a message system with no buffering |
| C. | is referred to as a link |
| D. | none of the mentioned |
| Answer» C. is referred to as a link | |
| 23. |
Which determines the sequence and the associated task’s priority? |
| A. | scheduling algorithm |
| B. | ready list |
| C. | task control block |
| D. | application register |
| Answer» B. ready list | |
| 24. |
Messages sent by a process |
| A. | have to be of a fixed size |
| B. | have to be a variable size |
| C. | can be fixed or variable sized |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 25. |
The average number of steps taken to execute the set of instructions can be made to be less than one by following |
| A. | isa |
| B. | pipe-lining |
| C. | super-scaling |
| D. | sequential |
| Answer» D. sequential | |
| 26. |
When Performing a looping operation, the instruction gets stored in the |
| A. | registers |
| B. | cache |
| C. | system heap |
| D. | system stack |
| Answer» C. system heap | |
| 27. |
The ultimate goal of a compiler is to |
| A. | reduce the clock cycles for a programming task |
| B. | reduce the size of the object code |
| C. | be versatile |
| D. | be able to detect even the smallest of errors |
| Answer» B. reduce the size of the object code | |
| 28. |
For a given FINITE number of instructions to be executed, which architecture of the processor provides for a faster execution? |
| A. | isa |
| B. | ansa |
| C. | super-scalar |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 29. |
Bounded capacity and Unbounded capacity queues are referred to as |
| A. | programmed buffering |
| B. | automatic buffering |
| C. | user defined buffering |
| D. | no buffering |
| Answer» C. user defined buffering | |
| 30. |
In indirect communication between processes P and Q |
| A. | there is another process r to handle and pass on the messages between p and q |
| B. | there is another machine between the two processes to help communication |
| C. | there is a mailbox to help communication between p and q |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 31. |
Time required to synchronous switch from the context of one thread to the context of another thread is called? |
| A. | threads fly-back time |
| B. | jitter |
| C. | context switch time |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 32. |
How many types of messages are associated with the real-time operating system? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 33. |
Which of the following can carry information and control task? |
| A. | semaphore |
| B. | messages |
| C. | flags |
| D. | address message |
| Answer» C. flags | |
| 34. |
Which can control the memory sharing between the tasks? |
| A. | kernel |
| B. | application |
| C. | software |
| D. | os |
| Answer» B. application | |
| 35. |
Which can control memory usage? |
| A. | operating system |
| B. | applications |
| C. | hardware |
| D. | kernel |
| Answer» E. | |
| 36. |
Which determines the sequence and the associated task’s priority? |
| A. | scheduling algorithm |
| B. | ready list |
| C. | task control block |
| D. | application register |
| Answer» B. ready list | |
| 37. |
Which of the following contains all the task and their status? |
| A. | register |
| B. | ready list |
| C. | access list |
| D. | task list |
| Answer» C. access list | |
| 38. |
Which of the following stores all the task information that the system requires? |
| A. | task access block |
| B. | register |
| C. | accumulator |
| D. | task control block |
| Answer» E. | |
| 39. |
The special tale in the multitasking operating system is also known as |
| A. | task control block |
| B. | task access block |
| C. | task address block |
| D. | task allocating block |
| Answer» B. task access block | |
| 40. |
Which interrupt provides system clock in the context switching? |
| A. | software interrupt |
| B. | hardware interrupt |
| C. | peripheral |
| D. | memory |
| Answer» C. peripheral | |
| 41. |
Which of the following can periodically trigger the context switch? |
| A. | software interrupt |
| B. | hardware interrupt |
| C. | peripheral |
| D. | memory |
| Answer» C. peripheral | |
| 42. |
Which of the following provides a time period for the context switch? |
| A. | timer |
| B. | counter |
| C. | time slice |
| D. | time machine |
| Answer» D. time machine | |
| 43. |
Which of the following controls the time slicing mechanism in a multitasking operating system? |
| A. | kernel |
| B. | single tasking kernel |
| C. | multitasking kernel |
| D. | application manager |
| Answer» D. application manager | |
| 44. |
Which of the following decides which task can have the next time slot? |
| A. | single task operating system |
| B. | applications |
| C. | kernel |
| D. | software |
| Answer» D. software | |
| 45. |
Which of the following works by dividing the processor’s time? |
| A. | single task operating system |
| B. | multitask operating system |
| C. | kernel |
| D. | applications |
| Answer» C. kernel | |
| 46. |
According to the ring algorithm, links between processes are |
| A. | bidirectional |
| B. | unidirectional |
| C. | both bidirectional and unidirectional |
| D. | none of the mentioned |
| Answer» C. both bidirectional and unidirectional | |
| 47. |
In distributed systems, election algorithms assumes that |
| A. | a unique priority number is associated with each active process in system |
| B. | there is no priority number associated with any process |
| C. | priority of the processes is not required |
| D. | none of the mentioned |
| Answer» B. there is no priority number associated with any process | |
| 48. |
5 CLOCK SYNCHRONISATION |
| A. | bully algorithm |
| B. | ring algorithm |
| C. | both bully and ring algorithm |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 49. |
In distributed systems, what will the transaction coordinator do? |
| A. | starts the execution of transaction |
| B. | breaks the transaction into number of sub transactions |
| C. | coordinates the termination of the transaction |
| D. | all of the mentioned |
| Answer» E. | |
| 50. |
In the token passing approach of distributed systems, processes are organized in a ring structure |
| A. | logically |
| B. | physically |
| C. | both logically and physically |
| D. | none of the mentioned |
| Answer» B. physically | |