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. |
TB in memory storage unit is stands for? |
| A. | tesla |
| B. | Terabyte |
| C. | Terabit |
| D. | both a and b |
| Answer» C. Terabit | |
| 2. |
For running TOPS-20 kernel simulator that is mainly used is |
| A. | DECSYSTEM-23 |
| B. | DECSYSTEM-22 |
| C. | DECSYSTEM-21 |
| D. | DECSYSTEM-20 |
| Answer» E. | |
| 3. |
All system resources are made available for a job's processing till its completion in process of |
| A. | Uni-programming |
| B. | Resource programming |
| C. | Process programming |
| D. | Multi-programming |
| Answer» B. Resource programming | |
| 4. |
Microsoft Windows NT was designed to have |
| A. | UNIX like features |
| B. | Linux like features |
| C. | DOS like features |
| D. | iOS like features |
| Answer» B. Linux like features | |
| 5. |
One that is not a part of a computer system is |
| A. | hardware |
| B. | operating system |
| C. | users |
| D. | vendors |
| Answer» E. | |
| 6. |
Several programs run at same time and storage is shared especially in |
| A. | microcomputers |
| B. | mainframe computers |
| C. | inquiry computers |
| D. | dump computers |
| Answer» C. inquiry computers | |
| 7. |
Interrupt mechanism for every computer system is |
| A. | same |
| B. | different |
| C. | pre-defined |
| D. | both a and b |
| Answer» E. | |
| 8. |
Jobs of the computer system for execution are loaded into |
| A. | device |
| B. | registers |
| C. | memory |
| D. | both a and b |
| Answer» D. both a and b | |
| 9. |
For Orderly access to the shared memory a computer system uses |
| A. | memory controllers |
| B. | microcontrollers |
| C. | device controllers |
| D. | macro controllers |
| Answer» B. microcontrollers | |
| 10. |
Response time in time sharing of operating system is usually |
| A. | 1sec |
| B. | 1sec |
| C. | less than 1sec |
| D. | more than 1sec |
| Answer» D. more than 1sec | |
| 11. |
A single threaded process of operating system programs has |
| A. | One program counter |
| B. | Two program counters |
| C. | Three program counters |
| D. | Four program counters |
| Answer» B. Two program counters | |
| 12. |
Division by zero error are caused by |
| A. | user defined code |
| B. | OS code |
| C. | process |
| D. | interrupt |
| Answer» B. OS code | |
| 13. |
RPG is considered easy to use and adapt as compared to |
| A. | JAVA |
| B. | COBOL |
| C. | C language |
| D. | C++ Language |
| Answer» C. C language | |
| 14. |
Before execution an entire process doesn't need to be in memory, in technique of |
| A. | Offline storage |
| B. | Online storage |
| C. | Virtual memory |
| D. | Procedural memory |
| Answer» D. Procedural memory | |
| 15. |
Basic multiprogramming can be classified into |
| A. | Two types |
| B. | Three types |
| C. | Four types |
| D. | Five types |
| Answer» B. Three types | |
| 16. |
Set of jobs submitted together to computer and output was generated automatically by an operating system in mechanism of |
| A. | Process control mechanism |
| B. | Job control mechanism |
| C. | Manual loading mechanism |
| D. | Batch processing mechanism |
| Answer» E. | |
| 17. |
Jobs are allocated CPU space for its execution by algorithm of |
| A. | CPU bound algorithm |
| B. | CPU assistance algorithm |
| C. | CPU tasker algorithm |
| D. | CPU scheduler algorithm |
| Answer» E. | |
| 18. |
Translating programs are said to be |
| A. | Absolute programs |
| B. | System programs |
| C. | Procedured programs |
| D. | Structured programs |
| Answer» C. Procedured programs | |
| 19. |
Main memory of the computer system is a memory that is |
| A. | non volatile |
| B. | permanent |
| C. | temporary |
| D. | large |
| Answer» D. large | |
| 20. |
Commonly used secondary memory is |
| A. | CD |
| B. | DVD |
| C. | floppy |
| D. | magnetic disk |
| Answer» E. | |
| 21. |
The situation when two or more programs hung up is referred as |
| A. | Multiprogramming |
| B. | Failed Mutual Exclusion |
| C. | Deadlocks |
| D. | Improper Synchronization |
| Answer» D. Improper Synchronization | |
| 22. |
All of the following are application softwares, except |
| A. | Windows NT |
| B. | Page Maker |
| C. | WinWord XP |
| D. | Photoshop |
| Answer» B. Page Maker | |
| 23. |
For multiprogramming, large main memory is required to accommodate |
| A. | User programs |
| B. | Operating system |
| C. | Resource sharing |
| D. | Both a and b |
| Answer» E. | |
| 24. |
Continuing operation with failure of one component of the computer system is called |
| A. | graceful upgradation |
| B. | fault tolerant |
| C. | upgradation |
| D. | graceful degradation |
| Answer» C. upgradation | |
| 25. |
Instructions that are requested by the system after decoding are |
| A. | stored |
| B. | fetched |
| C. | executed |
| D. | deleted |
| Answer» D. deleted | |
| 26. |
___________ acts as an intermediary between the computer user and the computer hardware |
| A. | Software |
| B. | Mainframe |
| C. | ROM |
| D. | Operating System |
| Answer» E. | |
| 27. |
Term multitasking is often related to |
| A. | Functional user systems |
| B. | Single-user system |
| C. | Operational user systems |
| D. | Multi-user systems |
| Answer» C. Operational user systems | |
| 28. |
There are two types of interproccess communication, _________ and __________ |
| A. | message receiving, dedicated memory |
| B. | message passing,shared memory |
| C. | information sharing, primary memory |
| D. | message passing, dedicated memory |
| Answer» C. information sharing, primary memory | |
| 29. |
For I/O bound jobs, in a uniprogramming process CPU can be in idle state for |
| A. | 10-20% of time |
| B. | 30-40% of time |
| C. | 60-70% of time |
| D. | 80-90% of time |
| Answer» E. | |
| 30. |
Linux is an |
| A. | Closed Source |
| B. | freeware |
| C. | Open source software |
| D. | both a and b |
| Answer» E. | |
| 31. |
Timer is used to prevent a single |
| A. | Job |
| B. | Time |
| C. | Computer |
| D. | Information |
| Answer» B. Time | |
| 32. |
System containing only one processor is called |
| A. | multiprocessor |
| B. | single processor |
| C. | dual processor |
| D. | specific processor |
| Answer» C. dual processor | |
| 33. |
Example of bug in one program of the operating system effects others in |
| A. | zero error |
| B. | infinite loop |
| C. | invalid memory access |
| D. | both a and b |
| Answer» C. invalid memory access | |
| 34. |
Berkeley Software Distribution (BSD) is series of |
| A. | Microsoft Windows OS |
| B. | Linux OS |
| C. | UNIX OS |
| D. | Window Vista OS |
| Answer» D. Window Vista OS | |
| 35. |
In non-multiprogrammed system the Central Processing Unit will |
| A. | sit idle |
| B. | perform well |
| C. | cost high |
| D. | cost low |
| Answer» C. cost high | |
| 36. |
Interposes Communication (IPC) related system calls used by Linux for |
| A. | Termination |
| B. | Development |
| C. | Execution |
| D. | Communication |
| Answer» E. | |
| 37. |
Clustering system can be |
| A. | symmetric |
| B. | asymmetric |
| C. | serially |
| D. | both a and b |
| Answer» E. | |
| 38. |
Multiprocessor systems have better performance by providing |
| A. | Short response time and short throughput |
| B. | Short throughput and high turnaround |
| C. | High access time |
| D. | Short response time and high throughput |
| Answer» E. | |
| 39. |
Keeping track of resources, granting resource requests and mediating conflicts requests from different programs is handled by |
| A. | Process manager |
| B. | System manager |
| C. | Operating system |
| D. | Processing system |
| Answer» D. Processing system | |
| 40. |
Process creation is handled by |
| A. | input |
| B. | output |
| C. | operating system |
| D. | memory |
| Answer» D. memory | |
| 41. |
The central processing unit of the computer system is never idle as long as it executes |
| A. | 1 job |
| B. | 2 jobs |
| C. | 3 jobs |
| D. | 4 jobs |
| Answer» B. 2 jobs | |
| 42. |
When many users accesses mainframes, this approach is called as |
| A. | resource allocation |
| B. | word processors |
| C. | dedicated resources |
| D. | interface |
| Answer» B. word processors | |
| 43. |
One word memory storage is the collection of |
| A. | 2 bytes |
| B. | 4 bytes |
| C. | 7 bytes |
| D. | 8 bytes |
| Answer» C. 7 bytes | |
| 44. |
To start an I/O operation the device driver loads the appropriate register into? |
| A. | memory |
| B. | Secondary storage |
| C. | Device Controller |
| D. | Arrays |
| Answer» D. Arrays | |
| 45. |
Accessing same data from storage of the computer system is provided by |
| A. | serial clusters |
| B. | parallel clusters |
| C. | Beowulf clusters |
| D. | both a and b |
| Answer» C. Beowulf clusters | |
| 46. |
Symmetric multiprocessing architecture of the computer system uses shared |
| A. | bus |
| B. | memory |
| C. | processors |
| D. | both a and b |
| Answer» E. | |
| 47. |
Environment in which programs of the computer system are executed is: |
| A. | operating system |
| B. | nodes |
| C. | clustered system |
| D. | both a and b |
| Answer» B. nodes | |
| 48. |
Controller of the computer system transfers data from device to |
| A. | buffers |
| B. | cache |
| C. | registers |
| D. | indexes |
| Answer» B. cache | |
| 49. |
In processing state of data till its completion, data is stored in a file known to be |
| A. | Execution file |
| B. | Run time file |
| C. | Compilation file |
| D. | Transaction file |
| Answer» E. | |
| 50. |
Operating systems' module that allocates memory space to programs in need of that resource, is known as |
| A. | Command management |
| B. | Resource management |
| C. | Memory management |
| D. | Integration management |
| Answer» D. Integration management | |