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How optimization is achieved in DNS?
Two primary optimizations used in DNS and they are: replication and caching. All root servers is replicated; various copies of the server exist around the world. While a new site joins the internet, the site configures its local DNS server along with a list of root server. The site server uses any root server is most responsive at a provided point of time. Into DNS caching each server maintains a cache of names. When this looks up a new name, the server puts a copy of the binding in its cache. Before contacting other server to request a binding, the server checks its cache; when the cache have the answer the server uses the cached answer to produce a reply.
What is the use of buffer register? The buffer register is used to avoid speed mismatch among the I/O device and the processor.
It happens when two or more processes are reading or writing some joint data and the final result depends on who runs exactly when.
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With the help of a neat diagram, explain the working of a successive approximation A/D converter Ans: Successive Approximation ADC: It is the most broadly used A/D con
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Von Neumann architecture was first majoranticipated structure for general-purpose computer. However before consideringmain components of von Neumann architecture let us first elabo
Q. Develop a menu driven program to implement AND, OR, NOT gates using and without using Bit wise operator. The menu should be as follows: I. Using Bit Wise operator I
Compact Disc; Compact Disc ( CD) is an optical disc which is used to store digital data. It was initially developed to store sound recordings completely, but later it als
Dynamic partitioning: To rise above from difficulties with fixed partitioning, partitioning can be done dynamically, which called dynamic partitioning. Having it, the primary
Write short notes on Event Model.
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