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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. |
There are two types of separate mode of operation in OS, ______ mode and ________ mode |
| A. | process, kernel |
| B. | system, process |
| C. | user, kernel |
| D. | user, system |
| Answer» D. user, system | |
| 2. |
Cache manager improves the performance of |
| A. | Programmed I/O |
| B. | File base I/O |
| C. | I/O device |
| D. | I/O Modules |
| Answer» C. I/O device | |
| 3. |
Loading and executing a program is called? |
| A. | time sharing |
| B. | process |
| C. | node |
| D. | cluster |
| Answer» C. node | |
| 4. |
The last member of the Windows 9X family is |
| A. | windows XP |
| B. | windows 95 |
| C. | windows 98 |
| D. | windows ME |
| Answer» B. windows 95 | |
| 5. |
Invalid memory access to computer system is a |
| A. | trap |
| B. | program |
| C. | process |
| D. | interrupt |
| Answer» B. program | |
| 6. |
Secondary memory of the computer system is able to store |
| A. | program |
| B. | data |
| C. | instructions |
| D. | both a and b |
| Answer» E. | |
| 7. |
To run a program this Setup involves an amount of |
| A. | Money |
| B. | Resources |
| C. | Users |
| D. | Time |
| Answer» E. | |
| 8. |
Multiprocessor systems are said to be |
| A. | Expensive |
| B. | Non-efficient |
| C. | Reliable |
| D. | Operatable |
| Answer» D. Operatable | |
| 9. |
UMA related to computers, is an abbreviation of |
| A. | uniform memory access |
| B. | non uniform memory access |
| C. | under memory access |
| D. | uniform module access |
| Answer» B. non uniform memory access | |
| 10. |
Beowulf clusters are the clusters of the computer system that are |
| A. | high cost systems |
| B. | very high cost systems |
| C. | low cost systems |
| D. | affordable cost systems |
| Answer» D. affordable cost systems | |
| 11. |
Dynamic random access memory with battery backup is |
| A. | RAM |
| B. | NVRAM |
| C. | VNRAM |
| D. | NVROM |
| Answer» C. VNRAM | |
| 12. |
Example of open source operating system is |
| A. | UNIX |
| B. | Linux |
| C. | windows |
| D. | both a and b |
| Answer» E. | |
| 13. |
Interrupt table of pointers having addresses for each interrupt is located at |
| A. | high memory |
| B. | low memory |
| C. | mid memory |
| D. | both a and b |
| Answer» C. mid memory | |
| 14. |
Main memory of the computer system is also called |
| A. | non volatile |
| B. | volatile |
| C. | reserved |
| D. | large |
| Answer» C. reserved | |
| 15. |
Dual mode of operating system has |
| A. | 1 mode |
| B. | 2 modes |
| C. | 3 modes |
| D. | 4 modes |
| Answer» C. 3 modes | |
| 16. |
Multi-processor system gives a |
| A. | small system |
| B. | tightly coupled system |
| C. | loosely coupled system |
| D. | both a and b |
| Answer» C. loosely coupled system | |
| 17. |
Logical extension of multiprogramming operating system is |
| A. | time sharing |
| B. | multi-tasking |
| C. | single programing |
| D. | both a and b |
| Answer» E. | |
| 18. |
Scheduling of threads are done by |
| A. | input |
| B. | output |
| C. | operating system |
| D. | memory |
| Answer» D. memory | |
| 19. |
Multiprocessor system have advantage of |
| A. | Increased Throughput |
| B. | Expensive hardware |
| C. | operating system |
| D. | both a and b |
| Answer» B. Expensive hardware | |
| 20. |
Another type of multiple-CPU system is the |
| A. | mini Computer |
| B. | Super Computer |
| C. | Clustered System |
| D. | both a and b |
| Answer» D. both a and b | |
| 21. |
Multiprogramming of the computer system increases |
| A. | memory |
| B. | storage |
| C. | CPU utilization |
| D. | cost |
| Answer» D. cost | |
| 22. |
Which memory management technique involves dividing the memory into fixed sized blocks ? |
| A. | Paging |
| B. | Scaling |
| C. | Whiping |
| D. | Tracking |
| Answer» B. Scaling | |
| 23. |
Which among the following is not aprocess state in unix? |
| A. | Running |
| B. | Runnable |
| C. | Zombie |
| D. | Stopped |
| Answer» C. Zombie | |
| 24. |
Which among the following are the components of windows registry? |
| A. | Keys |
| B. | SubKeys |
| C. | Values |
| D. | All the above |
| Answer» E. | |
| 25. |
Which command displays the present workig directory in UNIX? |
| A. | $who |
| B. | $pwd |
| C. | $who are you |
| D. | None |
| Answer» C. $who are you | |
| 26. |
Which among the following is a system call used for process management |
| A. | fork() |
| B. | exec() |
| C. | getppid() |
| D. | All the above |
| Answer» E. | |
| 27. |
Which among the following are not the children of Swapper or Scheduler? |
| A. | Process Dispatcher |
| B. | Vhand |
| C. | Dbflush |
| D. | All the above |
| Answer» E. | |
| 28. |
What type of operating system uses the NTFS file system ? |
| A. | Windows |
| B. | Mac OS X |
| C. | Unix |
| D. | All of these |
| Answer» B. Mac OS X | |
| 29. |
The PS command prints the process status for only some of the running processes. |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» C. | |
| 30. |
The program that is responsible for loading the operating system into RAM is the _______. |
| A. | BIOS |
| B. | Bootstrap Program |
| C. | Drive- Driver |
| D. | Supervisor Program |
| Answer» C. Drive- Driver | |
| 31. |
The main interface in Windows and OS X is __________ interface. |
| A. | Command-line |
| B. | Embedded |
| C. | Neural |
| D. | Graphical |
| Answer» E. | |
| 32. |
main()_x005F_x000D_ {_x005F_x000D_ fork();_x005F_x000D_  _x005F_x000D_ printf(“Hello World!â€);_x005F_x000D_ }_x005F_x000D_ Output for the above unix program is |
| A. | Hello World! |
| B. | Hello World!Hello World! |
| C. | Hello World |
| D. | None |
| Answer» C. Hello World | |
| 33. |
High level language is also called as ? |
| A. | Business oriented language |
| B. | Mathematically oriented language |
| C. | Problem oriented language |
| D. | All of above |
| Answer» E. | |
| 34. |
getppid() system call is used to bias the existing priority of a process |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» C. | |
| 35. |
Default read write and execute permissions given to a file for owner, group and others are |
| A. | 38083 |
| B. | 37352 |
| C. | 38813 |
| D. | 38874 |
| Answer» B. 37352 | |
| 36. |
A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java -classpath /test:/home/bob/downloads/*.jar games.Chess Bob's CLASSPATH is set (at login time) to: /usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?_x005F_x000D_ |
| A. | /test/Chess.class |
| B. | /home/bob/Chess.class |
| C. | /test/games/Chess.class |
| D. | /user/lib/games/Chess.class |
| Answer» E. | |
| 37. |
A Map is an Array,which contains the addresses of the free space in swap device that are allocatable resources,and the number of the resource unit available there. |
| A. | 1 |
| B. | |
| C. | |
| D. | |
| Answer» B. | |