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What is Difference between write back and write through cache?
A caching method wherein modifications to data into the cache aren't copied to the cache source till absolutely needed.
Write-back caching is accessible on many microprocessors, together with all Intel processors as the 80486. With such microprocessors, data modifications to data stored into the L1 cache aren't copied to main memory till absolutely essential.
In contrast, a write-through cache executes all write operations into parallel -- data is written to main memory and the L1 cache concurrently. Write-back caching yields somewhat better performance than write-through caching since this reduces the number of write operations to main memory. Along with this performance enhancement comes a slight risk which data may be lost when the system crashes. A write-back cache is also termed as a copy-back cache.
In SDK – 86 kit 128KB SRAM and 64KB EPROM is provided on system and provision for expansion of another 128KB SRAM is given. The on system SRAM address starts from 00000H and that
1+1
As a resource manager As a virtual machine
What are qualified associations? A qualified association is an association in which an attribute known as the qualifier disambiguates the object many associated end.
BCD to gray converter using 2:1 multiplexer
Question: (a) Describe the differences between a URI, a URN and a URL. (b) What are the five basic syntax rules for a well-formed XML document? (c) Provide four uses of
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give sample prepaired software?
What is the difference between Synchronous and Asynchronous updates? A program asks the system to perform a particular task, and then either waits or doesn't wait for the task
Q. Salient features of direct addressing mode? A number of salient points about this technique are: This scheme offers a limited address space since if address field has
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