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Explain Sequential sharing.
Sequential sharing: In this technique of sharing, a file can be shared through only one program at a time, it is file accesses by P1 and P2 are spaced-out over time. A lock field can be utilized to implement it. Setting and re-setting of the lock at file open and close makes sure that only one program can utilize the file at any time.
what is cascade rollback
Explain the principle of duality with examples.
Hiding data within the class and making it available only by the methods. This method is used to protect your class against accidental changes to fields, which might leave the clas
COM add-ins are software program's which are included into an application and they add already built in features to an existing application. They have general architecture across m
Which of the memories stores the most number of bits ? Ans. most number of bits stores in 32M x 8 As 2 5 x 2 20 = 2 25 Therefore 1M = 2 20 = 1K x 1K = 2 10 x 2 10
specification of paging ram size is 12 frames
Database marketing tool or application helps a user or marketing professional in determining the right tool or plan for his valuable add campaign. This tool haves data from all sou
In a two stage network there are 512 inlets and outlets, r=s=24. If the probability that a given inlet is active is 0.8, calculate: the switching elements Given: N =M =512,
Q. What do you mean by Linker? For modularity of your programs it is better to break your program in numerous sub routines. It's even better to put common routine such as read
Which is not a key piece of information, stored in single page table entry, assuming pure paging and virtual memory Ans. A reference for the disk block which stores the page is
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