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This section includes 487 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Questions knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Interrupt addresses are stored in |
| A. | array |
| B. | stack |
| C. | indexes |
| D. | queue |
| Answer» D. queue | |
| 2. |
System is which two or more nodes are joint together is called? |
| A. | dual core |
| B. | blade server |
| C. | clustered system |
| D. | single core |
| Answer» D. single core | |
| 3. |
Address generating function of direct file organization is known as |
| A. | Pascal algorithm |
| B. | Hashing algorithm |
| C. | Greedy algorithm |
| D. | Short path algorithm |
| Answer» C. Greedy algorithm | |
| 4. |
For time-sharing systems, a very large memory is required to support |
| A. | Multiprogramming |
| B. | Multitasking |
| C. | Multithreading |
| D. | Multiprocessing |
| Answer» B. Multitasking | |
| 5. |
Store instruction that are requested moves |
| A. | from memory |
| B. | to memory |
| C. | in memory |
| D. | on memory |
| Answer» C. in memory | |
| 6. |
In symmetric multiprocessing of the computer system all processors are |
| A. | peers |
| B. | parallel |
| C. | master slave |
| D. | serial |
| Answer» B. parallel | |
| 7. |
Process of transferring block of data from online secondary storage to main memory is called |
| A. | Swapping out of data |
| B. | Swapping in of data |
| C. | Swapping through data |
| D. | Swapping from data |
| Answer» C. Swapping through data | |
| 8. |
CLI interface of the operating system is an abbreviation of |
| A. | command line interface |
| B. | common line interface |
| C. | command line interfacing |
| D. | common line interfacing |
| Answer» B. common line interface | |
| 9. |
Limiting powers of conventional memory management schemes suffers by |
| A. | Two limitations |
| B. | Three limitations |
| C. | Four limitations |
| D. | Five limitations |
| Answer» B. Three limitations | |
| 10. |
Dividing a number by zero during execution is called a? |
| A. | trap |
| B. | program |
| C. | process |
| D. | interrupt |
| Answer» B. program | |
| 11. |
High rate of page-fault for a process results in |
| A. | Low performance |
| B. | High performance |
| C. | High cost |
| D. | Low cost |
| Answer» B. High performance | |
| 12. |
Accounting services are good to collect usage |
| A. | Statistics |
| B. | Data |
| C. | I/O device |
| D. | Users |
| Answer» B. Data | |
| 13. |
A set of programs used for creating, deleting and updating files, forms a |
| A. | File processing system |
| B. | File monitoring system |
| C. | File development system |
| D. | File management system |
| Answer» E. | |
| 14. |
A secondary storage with larger capacity than main memory and is always kept online is known to be |
| A. | Virtual memory |
| B. | Absolute memory |
| C. | Online storage |
| D. | Offline storage |
| Answer» B. Absolute memory | |
| 15. |
All system resources are made exclusively available for job till its completion in process of |
| A. | Uniprogramming |
| B. | Multiprogramming with variable jobs |
| C. | Multiprogramming |
| D. | Multiprogramming with fixed jobs |
| Answer» B. Multiprogramming with variable jobs | |
| 16. |
Trap that is executed during the program is caused by |
| A. | error |
| B. | division by zero |
| C. | interrupt |
| D. | both a and b |
| Answer» E. | |
| 17. |
CPU is the main part of the computer system is an abbreviation of |
| A. | common processing unit |
| B. | central processed unit |
| C. | central processing unit |
| D. | common processed unit |
| Answer» D. common processed unit | |
| 18. |
Efficient sharing of resources among various programs is key goal of |
| A. | Operating system |
| B. | Management system |
| C. | Processing system |
| D. | Functional systems |
| Answer» B. Management system | |
| 19. |
In graphical user interface users uses |
| A. | command line interface |
| B. | voice based interface |
| C. | file based interface |
| D. | mouse based Pointing |
| Answer» E. | |
| 20. |
Hashing algorithm may end up mapping key values of two or more records to same storage address that results in |
| A. | Collision |
| B. | Synchronizing |
| C. | Merging |
| D. | Redundancy |
| Answer» B. Synchronizing | |
| 21. |
Flavor of Linux which was recently purchased by Novell is |
| A. | Mandrake |
| B. | SuSE |
| C. | RedHat |
| D. | Slackware |
| Answer» C. RedHat | |
| 22. |
For providing internal users, the web accessibility companies establish |
| A. | personal computers |
| B. | servers |
| C. | network computers |
| D. | portals |
| Answer» E. | |
| 23. |
CPU time allocated to each user in a time sharing system is said to be |
| A. | Very short periods |
| B. | Very long periods |
| C. | Short cycle time |
| D. | Long cycle time |
| Answer» B. Very long periods | |
| 24. |
Linux uses System Calls to request a specific |
| A. | UNIX Service |
| B. | Kernel Service |
| C. | Window Vista Service |
| D. | Microsoft Windows Service |
| Answer» C. Window Vista Service | |
| 25. |
An operating system is known to be a layer of |
| A. | Hardware |
| B. | Software |
| C. | Processes |
| D. | Units |
| Answer» C. Processes | |
| 26. |
Multiprogramming allows the processor to handle |
| A. | Data |
| B. | Bath Jobs |
| C. | Time |
| D. | Memory |
| Answer» C. Time | |
| 27. |
Which of the following operating system is better for implementing a Client-Server network? |
| A. | MS-DOS |
| B. | Windows 95 |
| C. | windows 98 |
| D. | windows 2000 |
| Answer» E. | |
| 28. |
1kilobyte memory storage in the form of bytes is equal to |
| A. | 1024 bytes |
| B. | 1026 bytes |
| C. | 1056 bytes |
| D. | 1058 bytes |
| Answer» B. 1026 bytes | |
| 29. |
Clustered software's of the computer system run on |
| A. | cluster points |
| B. | cluster nodes |
| C. | cluster environment |
| D. | cluster destination |
| Answer» C. cluster environment | |
| 30. |
Process of transferring data from main memory to online secondary storage is called |
| A. | Swapping from data |
| B. | Swapping out of data |
| C. | Swapping in of data |
| D. | Swapping through data |
| Answer» C. Swapping in of data | |
| 31. |
A microkernel architecture assigns only a few essential functions to the |
| A. | Kernel |
| B. | Window Vista |
| C. | Linux |
| D. | UNIX |
| Answer» B. Window Vista | |
| 32. |
CDE program of the operating system is an abbreviation of |
| A. | common desktop environment |
| B. | command desktop environment |
| C. | common dual environment |
| D. | command dual environment |
| Answer» B. command desktop environment | |
| 33. |
Functions available for the application programmers is provided by |
| A. | application programming interface |
| B. | application program interface |
| C. | application programming interfacing |
| D. | application program interfacing |
| Answer» B. application program interface | |
| 34. |
Physical Memory manages the pool of page frame in |
| A. | Register |
| B. | Real Memory |
| C. | CPU |
| D. | System |
| Answer» C. CPU | |
| 35. |
First graphical user interface of the operating system appeared in Xerox alto was in |
| A. | 1965 |
| B. | 1973 |
| C. | 1983 |
| D. | 1992 |
| Answer» C. 1983 | |
| 36. |
Operating system which historically has a command-line interface is |
| A. | windows |
| B. | Win.CE |
| C. | UNIX |
| D. | OS X |
| Answer» B. Win.CE | |
| 37. |
For communication, operating system moves |
| A. | processes |
| B. | packets |
| C. | programs |
| D. | both a and b |
| Answer» C. programs | |
| 38. |
Users are provided with a convenient virtual machine with an interface that is known to be |
| A. | Management system |
| B. | Machine system |
| C. | Operating system |
| D. | Engineering system |
| Answer» D. Engineering system | |
| 39. |
All processes in a virtual memory system are partitioned into |
| A. | Packets |
| B. | Cells |
| C. | Tables |
| D. | Pages |
| Answer» E. | |
| 40. |
A program in execution is known to be a/an |
| A. | Operation |
| B. | Process |
| C. | Function |
| D. | Activity |
| Answer» C. Function | |
| 41. |
System call for running the particular program is also called as |
| A. | interfere call |
| B. | interrupt call |
| C. | monitor call |
| D. | CPU call |
| Answer» D. CPU call | |
| 42. |
In virtual memory by giving the page reference a process can |
| A. | Stop |
| B. | Execute |
| C. | Control |
| D. | Terminate |
| Answer» C. Control | |
| 43. |
I/O operations are performed with little computations in jobs that are |
| A. | Unit bound |
| B. | Batch bound |
| C. | CPU bound |
| D. | I/O bound |
| Answer» E. | |
| 44. |
In Kernel Signals are used to notify a certain |
| A. | Decisions |
| B. | Faults |
| C. | Strategies |
| D. | Procedures |
| Answer» C. Strategies | |
| 45. |
How many states are represented by 1 bit? |
| A. | 1 |
| B. | 0 |
| C. | 3 |
| D. | 0 and 1 |
| Answer» E. | |
| 46. |
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 | |
| 47. |
Proper designed operating systems take care of |
| A. | Monitor |
| B. | Mouse |
| C. | hardware |
| D. | maliciousness |
| Answer» E. | |
| 48. |
Graphical user interface was introduced in |
| A. | 1935 |
| B. | 1960 |
| C. | 1970 |
| D. | 1980 |
| Answer» D. 1980 | |
| 49. |
User mode of operating system runs when the mode bit is |
| A. | 1 |
| B. | 0 |
| C. | x |
| D. | undefined |
| Answer» B. 0 | |
| 50. |
Processes are managed by process managers to minimize |
| A. | Throughput |
| B. | Turnaround time |
| C. | Idle time |
| D. | Access time |
| Answer» D. Access time | |