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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
How many ways can an argument be passed to a subroutine in programming? Ans) An argument can be passed in two way in a programming language. They are Pass by Value and Passi
Arc Consistency: There have been many advances in how constraint solvers search for solutions (remember this means an assignment of a value to each variable in such a way that
the 68000 has rich of addressing mode . it concerned with the way data is accessed . identify the destion addressing mode for EXG D0, A2
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Write a short note on pointer operators in c Pointers (that is, pointer values) are generated with the ''address-of'' operator &, which we can also think of as the ''pointer-to
The goal of computer architects is to design computers that are cheaper and more powerful than their predecessors. A cheaper computer has: Low hardware manufacturing cost.
Explain 100 line exchange with two-motion line finders. Design: In such design, here are 24 line finders. When any of the 100 subscribers has to find access to any of the 24
Common used functions are placed within libraries in the SQABasic directory. Files ending with ".SBH" have the public interface they give to other libraries and scripts. Files endi
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Write short note of SGML
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