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Q. What is Block size of cache memory?
Block Size: Block size means unit of data (few memory words) exchanged between main and cache memory. As block size increases from very small to larger size then hit ratio (fraction of times which referenced data/instruction is found in cache) will at first increase due to the principle of locality since more and more useful words are brought into cache. But hit ratio will begin to reduce as block size further increases since probability of using newly fetched words becomes less than probability of reusing words which should be moved out of cache to make room for new block. Relying on this fact block size is rightfully chosen to maximise hit ratio.
Differentiate between Batch Operating System and Time Sharing Operating System? Batch operating systems : A batch is a sequence of jobs. Such batch is submitted to batch proce
What are threads? A thread, sometimes termed as a lightweight process (LWP), is a fundamental unit of CPU utilization; this comprises a thread ID a register set and a stack and
Explain Public Switched Telephone Network. PSTN (Public Switched Telephone Network): This is Public Switched Telephone Network (PSTN), which accommodates two types of subscri
Write a program to input an address i.e. 20 Hex and read the byte (char) contents of that address Answer include void main() { char prompt; Date: 26th August 2012
What are the applications of Electronic Data Interchange in business? The applications of Electronic Data Interchange are as given below: 1. Organisations that use EDI 2
what is mutual induction in theory of computation
new requirement elicitation process
With LDB one can change the pre-generated selection screen to their needs Yes with LDB one can alter the pre-generated selection screen.
Artificial Intelligence Robotics covers all the material required to understand the principles behind the AI approach to robotics and to program an artificially intelligent robot f
How to select valid lines for secondary list? To stop the user from selecting invalid lines, ABAP/4 offers various possibilities. At the end of the processing block END-OF-SEL
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