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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
Name the fundamental kinds of memory used in microprocessor systems There are three fundamental kinds of memory used in microprocessor systems - generallyknown asRAM, ROM, and
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What are the features of ABAP/4 Dictionary? The most significant features are: Integrated to aABAP/4 Development Workbench. Active in the runtime environment.
Q. Program for encoding ASCII Alpha numeric? ; A program for encoding ASCII Alpha numeric. ; ALGORITHM: ; create the code table ; read an input
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Dialog-task updates are Synchronous updates.
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What is Electronic Data Interchange? Electronic Data Interchange (EDI): It is used by organizations for transactions which arise on regular basis to a pre-found format.
Static RAM: No refreshing, 6 to 8 MOS transistors are needed to form one memory cell, Information stored as voltage level in a flip flop. Dynamic RAM: Refreshed periodically, 3
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