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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.
This step of systems examination is one of the most difficult. In this stage systems specifications are identified by asking what, who, when, where and how. A few questions address
what is bitmap and pixmap
Convert the given S-R flipflop to a D-flip flop. Ans: The Truth Table for S-R Flip-Flop is illustrated in Fig.(a) and truth table of D Flip-Flop is illustrated in Fig.(b)
Q. What basic concepts of evolution are used by the genetic algorithm? ANSWER: The three concepts are selection, crossover and mutation. Selection is the feature of a genetic a
Elaborate the memory devices - Semiconductor memory All of the memory used as main store in a modern computer is applied as semiconductors fabricated on wafers of silicon. Sem
Define ROM? It is a non-volatile memory. It includes only reading of stored data.
Assignment of Analog to digital Ssignal Processing
What is the kernel? A more common definition is that the OS is the one program running at all times on the computer ,usually known as the kernel, with all else being
Q. Show Arithmetic Subtraction? The subtraction can be done easily using 2's complement by taking 2's complement of value which is to be subtracted (inclusive of sign bit) and
Q. Define about EXE Programs? An EXE program is stored on disk with extension .exe. EXE programs are longer than COM programs as every EXE program is related with an EXE header
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