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. |
1 megabyte is equal to how many million bytes? |
| A. | 1 million bytes |
| B. | 2 million bytes |
| C. | 1 billion bytes |
| D. | 2 billion bytes |
| Answer» B. 2 million bytes | |
| 2. |
The main work of the operating system with the other parts of the computer system is to |
| A. | coordinate |
| B. | receive |
| C. | send |
| D. | operate |
| Answer» B. receive | |
| 3. |
Term multiprogramming is often related to |
| A. | Single-user system |
| B. | Two-user systems |
| C. | Multi-user systems |
| D. | No-user systems |
| Answer» D. No-user systems | |
| 4. |
More than one processors system is called |
| A. | multiprocessor |
| B. | single processor |
| C. | dual processor |
| D. | specific processor |
| Answer» B. single processor | |
| 5. |
CPU is taken away from a running process incase of a time sharing system, when |
| A. | Time slot is in execution |
| B. | Time slot is in pause mode |
| C. | Time slot is in traffic |
| D. | Time slot is expired |
| Answer» E. | |
| 6. |
Creation of copy of data on same storage media is responsibility of |
| A. | Data Restore utility |
| B. | Data Store utility |
| C. | Data Backup utility |
| D. | Data Format utility |
| Answer» D. Data Format utility | |
| 7. |
File name that handle interrupts in Linux is |
| A. | Access file |
| B. | Control file |
| C. | Interrupts file |
| D. | Proc interrupts file |
| Answer» E. | |
| 8. |
A characteristic of an online real time system is |
| A. | offline batch processing |
| B. | not delay in processing |
| C. | more than one CPU |
| D. | high speed |
| Answer» C. more than one CPU | |
| 9. |
Multicore systems of the computer system are well suited for |
| A. | database |
| B. | web servers |
| C. | designing |
| D. | both a and b |
| Answer» E. | |
| 10. |
Short period of time in which a user process gets CPU time is known as |
| A. | Time slice |
| B. | Time slot |
| C. | Quantum |
| D. | All of the Above |
| Answer» E. | |
| 11. |
A part of operating system with responsibility of allocating CPU to processes is known to be |
| A. | CPU scheduler |
| B. | CPU assist |
| C. | CPU programming |
| D. | CPU tasker |
| Answer» B. CPU assist | |
| 12. |
Signals being lost or duplicate signals being receive in |
| A. | Exclusion |
| B. | Program Execution |
| C. | Deadlocks |
| D. | Improper Synchronization |
| Answer» E. | |
| 13. |
Communication between devices of computer system is provided by |
| A. | shared memory |
| B. | message passing |
| C. | graphical user interfacing |
| D. | both a and b |
| Answer» E. | |
| 14. |
The technique that increases the system’s productivity. |
| A. | multiprogramming |
| B. | multitasking |
| C. | multiprocessing |
| D. | single-programming |
| Answer» B. multitasking | |
| 15. |
File organization system that uses two files for every data file is said to be |
| A. | Cluster sequential files |
| B. | Indexed sequential files |
| C. | Cluster random files |
| D. | Indexed random files |
| Answer» C. Cluster random files | |
| 16. |
Running many operating systems on one core system is called |
| A. | virtualization |
| B. | clouding |
| C. | sharing |
| D. | both a and b |
| Answer» B. clouding | |
| 17. |
Interference of signals during the program execution Is called? |
| A. | interfere |
| B. | interrupt |
| C. | interfacing |
| D. | both a and b |
| Answer» C. interfacing | |
| 18. |
Multithreading is a technique in which a process is divided into? |
| A. | Phases |
| B. | Procedures |
| C. | Steps |
| D. | Multiple Threads |
| Answer» E. | |
| 19. |
How many billions a gigabyte contains |
| A. | 1 million bytes |
| B. | 2 million bytes |
| C. | 1 billion bytes |
| D. | 2 billion bytes |
| Answer» D. 2 billion bytes | |
| 20. |
Device drivers are dynamic |
| A. | Processes |
| B. | Variables |
| C. | Libraries |
| D. | Applications |
| Answer» D. Applications | |
| 21. |
Process Communication mechanisms between programs are provided by |
| A. | input |
| B. | output |
| C. | operating system |
| D. | memory |
| Answer» D. memory | |
| 22. |
For allocating resources the CPU has individual |
| A. | devices |
| B. | routines |
| C. | programs |
| D. | both a and b |
| Answer» C. programs | |
| 23. |
For preserving a job's complete status information, a time sharing system requires |
| A. | Status information mechanism |
| B. | Database mechanism |
| C. | Job status preservation mechanism |
| D. | Job definition mechanism |
| Answer» D. Job definition mechanism | |
| 24. |
Solaris 10 is the most successful commercial |
| A. | Linux Implementation |
| B. | UNIX Implementation |
| C. | Window Vista Implementation |
| D. | Microsoft Windows Implementation |
| Answer» C. Window Vista Implementation | |
| 25. |
RPG was developed by IBM to meet needs of an economic mechanism for producing |
| A. | Reports |
| B. | Results |
| C. | Programs |
| D. | Compilations |
| Answer» B. Results | |
| 26. |
When error occurs, program of the operating system automatically gets |
| A. | deleted |
| B. | aborted |
| C. | stored |
| D. | saved |
| Answer» C. stored | |
| 27. |
Number of jobs can vary in multiprogramming process of |
| A. | Multiprogramming with fixed jobs |
| B. | Multiprogramming with variable jobs |
| C. | Multiprogramming with concurrent jobs |
| D. | Multiprogramming with parallel jobs |
| Answer» C. Multiprogramming with concurrent jobs | |
| 28. |
A single system wide primary memory shared by all processors is known to be |
| A. | Loosely coupled systems |
| B. | Tightly coupled systems |
| C. | Compound couple systems |
| D. | None of the Above |
| Answer» C. Compound couple systems | |
| 29. |
Any program, no matter how small, occupies an entire partition. This is called _____________ |
| A. | fragmentation |
| B. | prior fragmentation |
| C. | internal fragmentation |
| D. | external fragmentation |
| Answer» D. external fragmentation | |
| 30. |
Multitasking is very similar to |
| A. | Multischeduling |
| B. | Multiprogramming |
| C. | Multiprocessing |
| D. | Multithreading |
| Answer» C. Multiprocessing | |
| 31. |
Main memory must balance out CPU bound and I/O bound jobs, so that |
| A. | All jobs are executed once |
| B. | Few jobs get executed at a time |
| C. | At least one job is always ready to utilize CPU |
| D. | At least one job is always ready to utilize I/O devices |
| Answer» D. At least one job is always ready to utilize I/O devices | |
| 32. |
Each device controller that controls the devices of the computer system has |
| A. | cache |
| B. | registers |
| C. | device drivers |
| D. | indexes |
| Answer» D. indexes | |
| 33. |
When an error occurs it is displayed on a |
| A. | prompt |
| B. | file |
| C. | folder |
| D. | desktop |
| Answer» B. file | |
| 34. |
File operation used to access attributes of a file is known to be |
| A. | get attribute |
| B. | set attribute |
| C. | define attribute |
| D. | declare attribute |
| Answer» B. set attribute | |
| 35. |
Addresses of interrupt programs of operating system are placed at |
| A. | RAM |
| B. | ROM |
| C. | interrupt vector table |
| D. | interrupt service routine |
| Answer» D. interrupt service routine | |
| 36. |
In Graphical User Interface what is used to point a file or folder? |
| A. | pointer |
| B. | common line interface |
| C. | file based interface |
| D. | voice based interface |
| Answer» B. common line interface | |
| 37. |
Engineering computations usually falls in category of |
| A. | I/O bound |
| B. | CPU bound |
| C. | Batch bound |
| D. | Unit bound |
| Answer» C. Batch bound | |
| 38. |
With the help of incremental growth a user can enhance the performance of a |
| A. | I/O Modules |
| B. | System |
| C. | Programmed I/O |
| D. | Process |
| Answer» C. Programmed I/O | |
| 39. |
Various system resources can be scheduled to requested processes by means of |
| A. | Request management |
| B. | File management |
| C. | Process management |
| D. | Conflict management |
| Answer» D. Conflict management | |
| 40. |
EEPROM memory storage is the abbreviation of |
| A. | electronically erasable programmable read only memory |
| B. | electrically erased programmable read only memory |
| C. | electrically erasable programming read only memory |
| D. | electrically erasable programmable read only memory |
| Answer» E. | |
| 41. |
Push migration and pull migration are two types of ________ approach |
| A. | Load balancing |
| B. | Processor Affinity |
| C. | Symmetric Multithreading |
| D. | Synchronous Multithreading |
| Answer» B. Processor Affinity | |
| 42. |
Asymmetric multiprocessing systems of the computer system use |
| A. | master relationship |
| B. | slave relationship |
| C. | master slave relationship |
| D. | serial processing |
| Answer» D. serial processing | |
| 43. |
Process of preventing a job's memory partition from changing instruction of a job in another memory partition is called |
| A. | Memory protection |
| B. | Memory copyrights |
| C. | Memory bounding |
| D. | Memory walls |
| Answer» B. Memory copyrights | |
| 44. |
Record of running programs is classified as |
| A. | producing a log |
| B. | producing inquiry |
| C. | producing dump programs |
| D. | producing system functions |
| Answer» B. producing inquiry | |
| 45. |
To send an interrupt signal in a time sharing system, after every quantum requires to have |
| A. | Schedule mechanism |
| B. | Stop watch mechanism |
| C. | Notification mechanism |
| D. | Alarm clock mechanism |
| Answer» E. | |
| 46. |
GB in memory storage unit is stands for? |
| A. | gigabox |
| B. | global |
| C. | gigabit |
| D. | gigabyte |
| Answer» E. | |
| 47. |
Portable operating system Interface (POSIX) application programming interfaces is for |
| A. | windows |
| B. | UNIX |
| C. | POSIX based system |
| D. | Linux |
| Answer» D. Linux | |
| 48. |
Modern operating systems are |
| A. | parallel |
| B. | serial |
| C. | slow |
| D. | interrupt driven |
| Answer» E. | |
| 49. |
SMP of the computer system is an abbreviation of |
| A. | symmetric multiprocessor |
| B. | asymmetric multiprocessor |
| C. | symmetric multiprocessing |
| D. | asymmetric multiprocessing |
| Answer» D. asymmetric multiprocessing | |
| 50. |
Capability of a system to concurrently execute more than one processes, defines |
| A. | Multitasking |
| B. | Multischeduling |
| C. | Multiprogramming |
| D. | Multiprocessing |
| Answer» B. Multischeduling | |