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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
Draw and illustrate the block diagram of DMA controller. Also discuss the various modes in which DMAC works. Direct memory access (DMA) is a process in that an external device
State the features of Pentium series of microprocessors: Pentium is a 32-bit superscalar, CISC microprocessor. The term superscalar is used for processor that contains more th
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how it is calculated?
Standard Query Operators are executed as extension methods in .NET Framework. These Standard Query Operators can be used to work with any collection of objects that executes the IE
Clocked SR flip flop A clock pulse is a sequence of logic 0, logic 1, and logic 0 occuring on the CLK input. Time t n occurs before the clock pulse and time t n+1
Virtual memory can be implemented with ? With Segmentation and Paging Virtual memory can be implemented.
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