MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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.
| 101. |
Two general approaches are used to handle critical sections in operating systems which are preemptive and nonpreemptive ________ |
| A. | user |
| B. | kernels |
| C. | pipes |
| D. | memory |
| Answer» C. pipes | |
| 102. |
Selection of a particular file organization depends upon |
| A. | Storage capacity |
| B. | System performance |
| C. | Type of application |
| D. | Storage addresses |
| Answer» D. Storage addresses | |
| 103. |
System calls are sometimes called as? |
| A. | kernel calls |
| B. | systematic call |
| C. | process call |
| D. | maintenance call |
| Answer» B. systematic call | |
| 104. |
To store data and instruction, the smallest memory unit computer system has, is called |
| A. | cache |
| B. | ROM |
| C. | RAM |
| D. | register |
| Answer» E. | |
| 105. |
Friendly user interface provided by the operating system is |
| A. | command line interface |
| B. | graphical user interface |
| C. | batch interface |
| D. | device interface |
| Answer» C. batch interface | |
| 106. |
Clustered computer systems of the computer system provide |
| A. | low availability |
| B. | high availability |
| C. | no availability |
| D. | less availability |
| Answer» C. no availability | |
| 107. |
Mode violation errors are handled by |
| A. | input |
| B. | output |
| C. | operating system |
| D. | memory |
| Answer» D. memory | |
| 108. |
The access control in operating system is just another name for |
| A. | Data manipulation |
| B. | Files Access |
| C. | Compartmentalization of resources |
| D. | Data and Resources Access |
| Answer» D. Data and Resources Access | |
| 109. |
What does ‘b’ represent in a processor wait ratio? |
| A. | input ratio |
| B. | output ratio |
| C. | average time |
| D. | average I/O time |
| Answer» E. | |
| 110. |
More efficient mode of clustering of the computer system is |
| A. | symmetric |
| B. | asymmetric |
| C. | serially |
| D. | both a and b |
| Answer» B. asymmetric | |
| 111. |
Graphical user interface of the operating system programs was introduced by |
| A. | Aqua |
| B. | Xerox parc |
| C. | UNIX |
| D. | Linux |
| Answer» C. UNIX | |
| 112. |
Uniform memory access for accessing memory from any unit takes |
| A. | same time |
| B. | different time |
| C. | less time |
| D. | more time |
| Answer» B. different time | |
| 113. |
Users are assisted with system maintenance tasks by means of |
| A. | Formatting programs |
| B. | Compressed programs |
| C. | Library programs |
| D. | Utility programs |
| Answer» E. | |
| 114. |
The concept of process for the structure of operating system is |
| A. | Fundamental |
| B. | Effective |
| C. | Old |
| D. | Modern |
| Answer» B. Effective | |
| 115. |
A program that runs in parts on several computers is said to be |
| A. | delegated |
| B. | spread |
| C. | distributed |
| D. | recursive |
| Answer» B. spread | |
| 116. |
LAN network of the computer system is an abbreviation of |
| A. | local area network |
| B. | loose area networking |
| C. | local area networking |
| D. | loose area network |
| Answer» B. loose area networking | |
| 117. |
In system boot the computer hardware starts in |
| A. | user mode |
| B. | kernel mode |
| C. | supervisor mode |
| D. | both b and c |
| Answer» E. | |
| 118. |
Operating system is a program that manages the |
| A. | Computer Hardware |
| B. | word processors |
| C. | memory |
| D. | both a and b |
| Answer» B. word processors | |
| 119. |
Multitasking is known as modern |
| A. | New Theme |
| B. | Old Theme |
| C. | Effective Theme |
| D. | Central Theme |
| Answer» D. Central Theme | |
| 120. |
A file can be stored at location to which address generating function maps record's key field value is known to be |
| A. | Baseline |
| B. | Indexing |
| C. | Hashing |
| D. | Pointing |
| Answer» D. Pointing | |
| 121. |
Concurrent execution of multiple jobs in a multi-user system is known to be |
| A. | Multischeduling |
| B. | Multiprogramming |
| C. | Multiprocessing |
| D. | Multitasking |
| Answer» C. Multiprocessing | |
| 122. |
Program execution services use to |
| A. | Control Program |
| B. | Delete Program |
| C. | Execute Program |
| D. | Update Programs |
| Answer» D. Update Programs | |
| 123. |
Random access files are often used with media devices such as |
| A. | Magnetic tape |
| B. | Paper tape |
| C. | Hard disk |
| D. | Optical disk |
| Answer» E. | |
| 124. |
A process that is the mother of all processes on the system is the first program that is executed when the Linux system boots up the process is called as? |
| A. | Init Process |
| B. | I/O Process |
| C. | Module process |
| D. | Memory process |
| Answer» B. I/O Process | |
| 125. |
Environment subsystems provide different operating system |
| A. | Applications |
| B. | Services |
| C. | Functions |
| D. | Responsibilities |
| Answer» E. | |
| 126. |
Against loss of data, a file is created as a safety precaution named to be |
| A. | Backup file |
| B. | Restore file |
| C. | Functional file |
| D. | Object file |
| Answer» B. Restore file | |
| 127. |
System resources are provided by |
| A. | memory |
| B. | operating system |
| C. | users |
| D. | vendors |
| Answer» C. users | |
| 128. |
Sequential access files are often used with media devices such as |
| A. | Hard disk |
| B. | WORM disk |
| C. | Magnetic tape |
| D. | Zip tape |
| Answer» D. Zip tape | |
| 129. |
Commercial data processing applications usually falls in category of |
| A. | Program bound |
| B. | Processor bound |
| C. | Memory bound |
| D. | Device bound |
| Answer» E. | |
| 130. |
To convert a record key value to storage address on disk, direct file organization uses |
| A. | Data formatting function |
| B. | Data backup function |
| C. | Data storing function |
| D. | Data generating function |
| Answer» E. | |
| 131. |
Monitor device of computer system is an |
| A. | input |
| B. | output |
| C. | I/O |
| D. | memory |
| Answer» C. I/O | |
| 132. |
Storage and organization of files in a system is key responsibility of module named to be |
| A. | File management |
| B. | Process management |
| C. | Integration management |
| D. | Memory management |
| Answer» B. Process management | |
| 133. |
Module of an operating system that is responsible for creation and deletion of processes is named as |
| A. | File management |
| B. | Program management |
| C. | Memory management |
| D. | Process management |
| Answer» E. | |
| 134. |
You should save your computer from |
| A. | viruses |
| B. | time bombs |
| C. | worms |
| D. | all of these |
| Answer» E. | |
| 135. |
API interface of the operating system is an abbreviation of |
| A. | application programming interface |
| B. | application program interface |
| C. | application programming interfacing |
| D. | application program interfacing |
| Answer» B. application program interface | |
| 136. |
Process is a collection of |
| A. | Threads |
| B. | Files |
| C. | Registers |
| D. | Buffers |
| Answer» B. Files | |
| 137. |
Each processor in a multiprocessor architecture has its own local memory in |
| A. | Tightly coupled systems |
| B. | Loosely coupled systems |
| C. | Compound couple systems |
| D. | Linear couple systems |
| Answer» C. Compound couple systems | |
| 138. |
Multi-processor system of the computer system increases the |
| A. | through put |
| B. | cost |
| C. | uncertainty |
| D. | doubt |
| Answer» B. cost | |
| 139. |
Authenticity concerned with the proper verification of |
| A. | Location |
| B. | Users |
| C. | Devices |
| D. | Memory |
| Answer» C. Devices | |
| 140. |
Chain of the program of the computer system is as strong as its |
| A. | weakest link |
| B. | strongest link |
| C. | mid link |
| D. | all links |
| Answer» B. strongest link | |
| 141. |
After every interrupt ISR is |
| A. | executed |
| B. | stopped |
| C. | interpreted |
| D. | compiled |
| Answer» B. stopped | |
| 142. |
System resources are directed to handle requests by module known to be |
| A. | File management |
| B. | Command interpretation |
| C. | Command management |
| D. | Process management |
| Answer» C. Command management | |
| 143. |
CPU scheduling depends on |
| A. | speed |
| B. | cost |
| C. | register |
| D. | both a and b |
| Answer» B. cost | |
| 144. |
I/O of the computer system is an abbreviation of |
| A. | input |
| B. | output |
| C. | interaction |
| D. | both a and b |
| Answer» E. | |
| 145. |
GUI interface of the operating system is an abbreviation of |
| A. | graphics user interface |
| B. | graphical user interface |
| C. | graphical user interfacing |
| D. | graphics user interfacing |
| Answer» C. graphical user interfacing | |
| 146. |
Multiple users can simultaneously work on time sharing systems by using |
| A. | Integrators |
| B. | Terminals |
| C. | Ports |
| D. | Net-cords |
| Answer» C. Ports | |
| 147. |
MAC operating system is an abbreviation of |
| A. | Macintosh operating system |
| B. | memory operating system |
| C. | main operating system |
| D. | mainframe operating system |
| Answer» B. memory operating system | |
| 148. |
Computing facility to small users and small CPU idle time is provided by |
| A. | Multiprocessor systems |
| B. | Multithread systems |
| C. | Schedule systems |
| D. | Time sharing systems |
| Answer» E. | |
| 149. |
This cycle, of going through __________ states of running and input/output, may be repeated over and over, until the job is completed. |
| A. | evaluation |
| B. | process |
| C. | program |
| D. | data |
| Answer» C. program | |
| 150. |
Multiprocessing systems can be classified into |
| A. | Two types |
| B. | Three types |
| C. | Four types |
| D. | Five types |
| Answer» B. Three types | |