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Why do we need Registers?
If tcpu is cycle time of CPU which is the time taken by CPU to execute a well-defined micro-operation employing registers and tmem is memory cycle time which is the speed at which memory can be accessed by CPU then (tcpu/tmem) is in the range of 2 to 10 i.e. CPU is 2 - 10 times faster than memory. So CPU registersare the fastest temporary storage areas. So the instructions whose operands are stored in fast CPU registers can be executed fast in comparison to instructions whose operands are in main memory of a computer. Every instruction should designate the registers it will address. So a machine needs a large number of registers.
Figure: CPU with general register organisation
Associative Array Processing Consider that a list of record or a table is stored in the memory and you want to search some information in that list. For example, the list havin
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a ship is loaded with a stock of 3 items each unit of item n has a wt wn and vn the max cargo wt the ship can take is the details of 3items are item(n):1 2 3 wt(wn):2 3 1 value(vn)
Q. State the difference between following. i. RAM and ROM ii. SRAM and DRAM iii. Dynamic and static MOS memories
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The Need Of Parallel Computation With the advancement of computer science (CS), computational speed of the processors has also improved many a time. Moreover, there is certain
Program about railway reservation system using structure . Get 10 names,their gender ,address , seats availability according to trains and some extra datas
Q. Characteristics of input- output channels? The I/O channel represents an extension of DMA concept. An I/O channel has ability to execute I/O instructions that gives complete
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