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Q. Why are high-speed memories required? Is the main memory not a high-speed memory?
The answer to second question is absolutely 'No' though why so? Then if memories are slower then how slow are they? On an average it has been found that operating speed of main memories lack by a factor of 5 to 10 than the speed of processors (like CPU or Input / Output Processors).
Additionally every instruction needs numerous memory accesses (it may range from 2 to 7 or even more sometimes). If an instruction needs even 2 memory accesses even then nearly 80% of time of executing an expression, processors waits for memory access.
The main question is what can we do to increase this processor-memory interface bandwidth? There are four potential answers to the question which are:
a) Reduce memory access time; use a faster though costly technology for main memory.
b) Access more words in a single memory access cycle which is in place of accessing one word from memory in a memory access cycle access more words.
c) Insert a high-speed memory called as Cache between processor and main memory.
d) Use associative addressing in place of random access.
Step 1: Choose File -> Import XML into Template Step 2: Select the XML file & click Open When an XML file is imported, Dreamweaver merges XML content in Template, which is be
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Perform the 23 - 48 operations using the 2's complement method. Ans. Given 23 - 48 firstly add them 23 0 1 0 1 1 1 - (- 48) +
There are innumerable caveats to this answer, but basically any Webpage containing a form will need a CGI script or program to process the form inputs.
How many lines of address bus must be used to access 2048 bytes of memory when available RAM chips 128 × 8. How many lines of these will be common to each chip? Ans. AS chips
Q. Make a generalize program that performs r-ary subtraction on two numbers using (r-1)'s and r's complement? Use input and output files.
What is Page stealing? Ans. Taking page frames other working sets is called Page stealing.
How is it possible to make a module 2 n counter using N-flipflops? Name the two types of such counters. Ans: Module 2 n counter counts total 2 n distinguishable states w
(a) How does a data cache take advantage of spatial locality? Give an suitable example. (b) What are the basic differences between a write-allocate and no-write-allocate po
Convert binary number in two's compliment form 0100 1000. Converting the binary number into 2's compliment from 0100 1000 is given below: 01001000 => 10111000
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