MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Operating System knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which are the two complementary deadlock-prevention schemes using time stamps ? |
| A. | The wait-die & wound-wait scheme |
| B. | The wait-n-watch scheme |
| C. | The wound-wait scheme |
| D. | The wait-wound & wound-wait scheme |
| Answer» B. The wait-n-watch scheme | |
| 2. |
What are the parts of global unique identifier ? |
| A. | Local unique time stamp |
| B. | Remote time stamp |
| C. | Clock number |
| D. | All of the mentioned |
| Answer» B. Remote time stamp | |
| 3. |
What are the characteristics of tightly coupled system ?i) Different clockii) Use communication linksiii) Same clockiv) Distributed systems |
| A. | i |
| B. | i and iv |
| C. | i, ii and iii |
| D. | ii, iii and iv |
| Answer» E. | |
| 4. |
What are the characteristics of fully distributed approach ?i) When responses are received from all processes, then process can enter its Critical Sectionii) When process exits its critical section, the process sends reply messages to all its deferred requests.iii) It requires request,reply and release per critical section entryiv) One processor as coordinator which handles all requests |
| A. | i |
| B. | i and ii |
| C. | ii and iii |
| D. | iii and iv |
| Answer» C. ii and iii | |
| 5. |
What are the advantages of token(with rings) passing approach ?i) One processor as coordinator which handles all requestsii) No starvation if the ring is unidirectionaliii) There are many messages passed per section entered if few users want to get in sectioniv) One processor as coordinator which handles all requestsv) Only one message/entry if everyone wants to get in |
| A. | i |
| B. | ii and iii |
| C. | i, ii and iii |
| D. | i, ii and iv |
| Answer» E. | |
| 6. |
Single coordinator approach has the following disadvantages : |
| A. | Bottleneck |
| B. | Slow response |
| C. | Deadlock |
| D. | One request per second |
| Answer» B. Slow response | |
| 7. |
In distributed file system, when a file’s physical storage location changes |
| A. | file name need to be changed |
| B. | file name need not to be changed |
| C. | file’s host name need to be changed |
| D. | file’s local name need to be changed |
| Answer» C. file’s host name need to be changed | |
| 8. |
Distributed systems have ? |
| A. | high security |
| B. | better resource sharing |
| C. | better system utilization |
| D. | low system overhead |
| Answer» C. better system utilization | |
| 9. |
1) Consider the two statements.(A) A network operating system, the users access remote resources in the same manner as local resource.(B) In a distributed operating system, the user can access remote resources either by logging into the appropriate remote machine or transferring data from the remote machine to their own machine. Which of the statement is true? |
| A. | A true, B false |
| B. | B true, A false |
| C. | Both A and B false |
| D. | Both A and B true |
| Answer» D. Both A and B true | |
| 10. |
Number of CPU registers in a system depends on ____________. |
| A. | Operating system |
| B. | Computer Architecture |
| C. | Computer Organization |
| D. | None of the above |
| Answer» C. Computer Organization | |
| 11. |
Super computers typically employ _______. |
| A. | Real time Operating system |
| B. | Multiprocessors OS |
| C. | desktop OS |
| D. | None of the above |
| Answer» C. desktop OS | |
| 12. |
Distributed OS works on the ________ principle. |
| A. | File Foundation |
| B. | Single system image |
| C. | Multi system image |
| D. | Networking image |
| Answer» C. Multi system image | |
| 13. |
Which amongst the following is not an advantage of Distributed systems? |
| A. | Reliability |
| B. | Incremental growth |
| C. | Resource sharing |
| D. | None of the above |
| Answer» B. Incremental growth | |