Let Pi and Pj be two processes, R be the set of variables read from memory, ot and W be the set variables written to memory. For the concurrent execution of two processes Pi and Pj, which of the following conditions is not true?
| A. | R(Pi) ∩ W (Pj) = Φ |
| B. | W(Pi) ∩ R (Pj) = Φ |
| C. | R(Pi) ∩ R (Pj) = Φ |
| D. | W(Pi) ∩ W (Pj) = Φ |
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Option: C Explanation : Click on Discuss to view users comments. |
A LRU page replacement is used with four page frames.and eight pages. How many page faults will occur with the reference string 0172327103 if the four frames are initially empty?
| A. | 6 |
| B. | 7 |
| C. | 5 |
| D. | 8 |
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Option: B Explanation : Click on Discuss to view users comments. D.Krishnakumar said: (10:30pm on Monday 29th June 2015)
Option(A) 6->is corret. faultempty 0 1 7 2 40 1 7 2 (3) 3 1 7 2 13 1 7 2 (2) 3 1 7 2 -3 1 7 2 (7) 3 1 7 2 -3 1 7 2 (1) 3 1 7 2 -3 1 7 2 (0) 3 0 7 2 13 0 7 2 (3) 3 0 7 2 -- --------- Total 6 ---------
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| A. | It will print all of the lines in the file x that match the search string "abc" |
| B. | It will print all of the lines in file x that do not match the search string "abc" |
| C. | It will print total no of the lines in file x that match the search string "abc". |
| D. | It will print the specific line numbers of file x in which there is a match for the string "abc". |
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Option: A Explanation : Click on Discuss to view users comments. |
The Unix Kernel maintains two key data strucfures related to processes, the progress table and the user structure. Which of following information is not the part of user
| A. | File descriptor table |
| B. | System call state |
| C. | Scheduling parameters |
| D. | Kernel stack |
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Option: C Explanation : Click on Discuss to view users comments. |
Match the following
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List - I |
List - II |
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(a) Size-oriented metric |
(i) uses number of external interfaces as one of the measurement parameters |
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(b) Function-oriented metrics |
(ii) originally designed to be applied to business information system |
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(c) Extended Function Point Metrics |
(iii) derived by normalizing quality and/ or productivity measures by considering the size of the software. |
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(d) Function Point |
(iv) uses algorithm characteristics as of the measurement parameter |
| A. | (a) (b) (c) (d) (iii) (iv) (i) (ii) |
| B. | (a) (b) (c) (d) (ii) (i) (iv) (iii) |
| C. | (a) (b) (c) (d) (iv) (ii) (iii) (i) |
| D. | (a) (b) (c) (d) (iii) (i) (iv) (ii) |
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Option: D Explanation : Click on Discuss to view users comments. |
