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Basics of Caches:
"The caches are situated on basis of blocks, the shortest amount of data which may be copied between 2 adjacent levels at a time.
"If requested data by the processor is present in some the upper level block
Then it is known as a hit.
"If data is not found in the upper level then this request is called a miss and the data is retrieved from the lower level in the hierarchy.
"The portion of memory accesses found in the upper level is known as a hit ratio.
"The storage, which takes profit of locality of accesses, is known as cache
Compare memory mapped I/O with I/O mapped I/O. Memory Mapped I/O Scheme: In this scheme there is only one address space. Address space is stated as all possible addresses tha
Q. Drawback of indirect addressing? • Drawback of this scheme is that it needs two memory references to fetch actual operand. First memory reference is to fetch the actual addr
Why cant datareader be returned from a Web Services Method? Ans) Because datareader is not serializable.
What is a reference string? An algorithm is evaluated by running it on a exacting string of memory references and computing the number of page faults. The string of memory refe
A ring counter consisting of five Flip-Flops will have ? Ans. A ring counter have 5 states while consisting of Five Flip-Flops.
What do you understand by Hit ratio? When a processor refers a data item from a cache, if the referenced item is in the cache, then such a reference is called hit. If the refer
Define cache memory? A special very high speed memory known as a cache is sometimes used to increase the speed of processing by making current programs and data available to th
TARGET = "_parent" "_parent" is used in a situation where a frameset file is nested inside another frameset file. A link in one of the inner frameset documents that uses "_par
Data hazards - computer architecture : A main effect of pipelining is to alter the relative timing of instructions by overlapping their execution. This introduces contro
Write shorts notes on Remote Procedure Call (RPC) The facility whihc was created to help the programmers write client server software is termed as Remote Procedure Call. Within
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