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Q. Define Wait protocol?
The wait protocol is used for resolving conflicts that arise due to some multiprocessors requiring same resource. There are 2 kinds of wait protocols: sleep-wait and busy-wait. In busy-wait protocol process stays in process context register that continually attempts for processor availability. In sleep-wait protocol wait protocol process is removed from processor and is kept in wait queue. The hardware complexity of this protocol is greater than busy-wait in multiprocessor system. If locks are used for synchronization subsequently busy-wait is used more than sleep-wait.
Q. Illustrate working of Asynchronous Counters? This is more frequently referred as ripple counter as the change that takes place in order to increment counter ripples through
There are tools to automate the process of SQL Injection into login and other fields. One hacker process, using a one tool, will be to search out a number of weak targets using Goo
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