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Explain Rehashing to Handle Collision
Rehashing: Re-hashing schemes make use of a second hashing operation while there is a collision. If there is an additional collision, we re-hash till an empty "slot" in the table is found. The re-hashing function can either be a new function or a re-application of the original one. So long as the functions are applied to a key in similar order, then a sought key can all time be located.
Define the difference between preemptive and nonpreemptive scheduling. State why strict nonpreemptive scheduling is unlikely to be used in a computer center. Preemptive schedul
function of lazy swapper
Synchronization In communication among processes messages passed may be blocking or nonblocking - also called as synchronous and asynchronous. Blocking send : The sending pr
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Compare 2 different operating systems.
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
why we say " OS is a resource allocator" and “OS is a control program"?
Q. Presume that you have a page-reference string for a process with m frames (initially all empty). The page-reference string has length p along with n distinct page numbers
how it is work.
Use and overview? Pure and impure interpreter?
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