MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
One that is not a peripheral device of the computer system is |
| A. | keyboard |
| B. | mouse |
| C. | printer |
| D. | register |
| Answer» E. | |
| 2. |
Kernel mode of the operating system is also called |
| A. | user mode |
| B. | system mode |
| C. | supervisor mode |
| D. | both a and b |
| Answer» D. both a and b | |
| 3. |
A bit that selects the mode of the operating system is called |
| A. | kernel bit |
| B. | user bit |
| C. | mode bit |
| D. | system bit |
| Answer» D. system bit | |
| 4. |
Each node in clustered system of the computer system monitors |
| A. | itself |
| B. | One other node |
| C. | neighboring node |
| D. | One or more nodes |
| Answer» E. | |
| 5. |
Storage system with low cost and large capacity with low speed system is known to be |
| A. | Offline disk storage |
| B. | Online disk storage |
| C. | Offline tape storage |
| D. | Online tape storage |
| Answer» C. Offline tape storage | |
| 6. |
Multi-processor systems of the computer system has advantage of |
| A. | cost |
| B. | reliability |
| C. | uncertainty |
| D. | scalability |
| Answer» C. uncertainty | |
| 7. |
Information of a computer system is protected from unauthorized access by a module known to be |
| A. | Privacy management |
| B. | Security |
| C. | File management |
| D. | Protected files |
| Answer» C. File management | |
| 8. |
First successful Microsoft Windows was |
| A. | Windows 1.0 |
| B. | Windows 2.0 |
| C. | Windows 3.0 |
| D. | Windows 4.0 |
| Answer» D. Windows 4.0 | |
| 9. |
Virtual memory is often described as hierarchy of |
| A. | Two storage systems |
| B. | Three storage systems |
| C. | Four storage systems |
| D. | Five storage systems |
| Answer» B. Three storage systems | |
| 10. |
A collection of related information is known to be |
| A. | Database |
| B. | Reports |
| C. | Files |
| D. | Paging |
| Answer» D. Paging | |
| 11. |
Concurrent processing of a fixed number of jobs is called |
| A. | Multiprogramming with concurrent jobs |
| B. | Multiprogramming with parallel jobs |
| C. | Multiprogramming with variable jobs |
| D. | Multiprogramming with fixed jobs |
| Answer» E. | |
| 12. |
One GB is equal to |
| A. | 1024 bytes |
| B. | 1024 kilo bytes |
| C. | 1024 mega bytes |
| D. | 1024 terabytes |
| Answer» D. 1024 terabytes | |
| 13. |
ISR is the interrupt program that stands for? |
| A. | interrupt software routine |
| B. | internally service routine |
| C. | internal service routine |
| D. | interrupt service routine |
| Answer» E. | |
| 14. |
Solaris operating system that is distribution of UNIX is |
| A. | close source |
| B. | open source |
| C. | Shareware |
| D. | Software |
| Answer» C. Shareware | |
| 15. |
In Linux character device manager calls used to manage |
| A. | User |
| B. | Devices |
| C. | Memory |
| D. | Resources |
| Answer» C. Memory | |
| 16. |
Interrupts make an operating system more |
| A. | Rigid |
| B. | Expensive |
| C. | Control |
| D. | Flexible |
| Answer» E. | |
| 17. |
To overcome limitations of MS-DOS, Microsoft came up with idea of |
| A. | Windows 3.0 |
| B. | Windows XP |
| C. | Microsoft Windows |
| D. | MS Windows NT |
| Answer» D. MS Windows NT | |
| 18. |
Language processors are also known to be |
| A. | Translating programs |
| B. | Systematic programs |
| C. | Structural programs |
| D. | Processing programs |
| Answer» B. Systematic programs | |
| 19. |
SAN network of the computer system is an abbreviation of |
| A. | storage area networking |
| B. | serial area network |
| C. | serial area networking |
| D. | storage area network |
| Answer» E. | |
| 20. |
________ is solved by Dijkstra's banking algorithm |
| A. | Deadlock recurrence |
| B. | Deadlock avoidance |
| C. | Deadlock exclusion |
| D. | Deadlock recovery |
| Answer» C. Deadlock exclusion | |
| 21. |
The total transfer time is ________ to the amount of memory swapped |
| A. | directly proportional |
| B. | indirectly proportional |
| C. | equal |
| D. | None of the above |
| Answer» B. indirectly proportional | |
| 22. |
Process of gaining access to a computer by giving correct user identification is classified as |
| A. | process in |
| B. | log out |
| C. | log in |
| D. | process out |
| Answer» D. process out | |
| 23. |
Processes submitted to a system are managed by |
| A. | File management |
| B. | Job management |
| C. | Activity management |
| D. | Process management |
| Answer» E. | |
| 24. |
Systems can be used simultaneously by many users at a time in the |
| A. | Two-user systems |
| B. | Multi-user systems |
| C. | Parallel end user systems |
| D. | Functional user systems |
| Answer» C. Parallel end user systems | |
| 25. |
Kernel mode of operating system runs when the mode bit is |
| A. | 1 |
| B. | 0 |
| C. | x |
| D. | undefined |
| Answer» C. x | |
| 26. |
Allocation and deallocation of memory spaces are maintained by a module of operating system known to be |
| A. | Memory management |
| B. | Storage management |
| C. | System management |
| D. | File management |
| Answer» B. Storage management | |
| 27. |
The target thread periodically checks whether it should terminate, allowing it an opportunity to terminate itself in an orderly fashion is ___________ cancellation |
| A. | Deferred |
| B. | Random |
| C. | Synchronous |
| D. | Multithread |
| Answer» B. Random | |
| 28. |
In command interpreter environment of the operating system, commands are executed by |
| A. | windows |
| B. | itself |
| C. | Linux |
| D. | UNIX |
| Answer» C. Linux | |
| 29. |
Program execution are used to |
| A. | Execute Programs |
| B. | Write Programs |
| C. | Control Programs |
| D. | Read Programs |
| Answer» B. Write Programs | |
| 30. |
Process isolations involves independent processes from interfering with each other's |
| A. | Data and Memory |
| B. | Keyboard and Monitor |
| C. | Computer and User |
| D. | I/O devices and Memory |
| Answer» B. Keyboard and Monitor | |
| 31. |
Thread is a dispatch able unit of |
| A. | Program |
| B. | Work |
| C. | Time |
| D. | Process |
| Answer» E. | |
| 32. |
Virtual memory is difficult to implement, due to algorithms to support |
| A. | Filing |
| B. | Scheduling |
| C. | Sequencing |
| D. | Demand paging |
| Answer» E. | |
| 33. |
A source program can be translated to an object program by means of |
| A. | Processing programs |
| B. | Operating programs |
| C. | Translating programs |
| D. | Formatting programs |
| Answer» D. Formatting programs | |
| 34. |
One that is not a part of a desktop computer is |
| A. | mouse |
| B. | monitor |
| C. | printer |
| D. | keyboard |
| Answer» D. keyboard | |
| 35. |
First process that is executed by operating system during booting is |
| A. | init |
| B. | initl |
| C. | mint |
| D. | start |
| Answer» B. initl | |
| 36. |
A chip that allows a storage device to communicate with operating system is known as |
| A. | Small Computer Systems Interface (SCSI) |
| B. | Device Driver |
| C. | I/O Structure |
| D. | both a and b |
| Answer» B. Device Driver | |
| 37. |
For avoiding programs of the operating system to get stuck, system users use |
| A. | trap |
| B. | timers |
| C. | process |
| D. | programs |
| Answer» C. process | |
| 38. |
With multiprocessor approach of the computer system work is done in |
| A. | more time |
| B. | less time |
| C. | uncertainty |
| D. | scalability |
| Answer» C. uncertainty | |
| 39. |
Initial program that run for starting the system is called? |
| A. | virtualization |
| B. | control program |
| C. | bootstrap program |
| D. | compilers |
| Answer» D. compilers | |
| 40. |
Loading of the operating system at the start is also called |
| A. | versatile machine |
| B. | clouding |
| C. | versatile memory |
| D. | booting |
| Answer» E. | |
| 41. |
All jobs of OS are not kept in main memory due to its small size so where they resides on disk |
| A. | in RAM |
| B. | in job pool |
| C. | in ROM |
| D. | in CD |
| Answer» C. in ROM | |
| 42. |
In symmetric multiprocessing system N number of CPU can run |
| A. | N-1 processes |
| B. | N+1 processes |
| C. | N processes |
| D. | N-2 processes |
| Answer» D. N-2 processes | |
| 43. |
Operating system of the computer system has simultaneously |
| A. | 2 jobs |
| B. | 3 jobs |
| C. | 4 jobs |
| D. | many jobs |
| Answer» E. | |
| 44. |
Manual loading of jobs by a computer operator, one after another in a computer, is mechanism of |
| A. | Batch processing mechanism |
| B. | Manual loading mechanism |
| C. | Job control mechanism |
| D. | Process control mechanism |
| Answer» C. Job control mechanism | |
| 45. |
For authentication purpose, operating system requires |
| A. | personal computers |
| B. | servers |
| C. | network computers |
| D. | login authentication |
| Answer» E. | |
| 46. |
Process and Scheduler used for |
| A. | Memory |
| B. | I/O Devices |
| C. | I/O Modules |
| D. | Process |
| Answer» E. | |
| 47. |
During execution how many interrupts are made per block? |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» B. two | |
| 48. |
Input output device allocation is provided by |
| A. | inputs |
| B. | outputs |
| C. | operating system |
| D. | memory |
| Answer» D. memory | |
| 49. |
Getting time and date of the computer system is |
| A. | process control |
| B. | file management |
| C. | device management |
| D. | information maintenance |
| Answer» E. | |
| 50. |
Dual core processor system of the computer system has |
| A. | 2cores |
| B. | 3cores |
| C. | 4cores |
| D. | 5cores |
| Answer» B. 3cores | |