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With the increasing use of more and higher level languages manufacturers had offered more powerful instructions to support them. It was claimed that a stronger instruction set will decrease the software crisis and will simplify the compilers. Another significant reason for such a movement was desire to improve performance.
Yet even though instructions which were closer to high level languages were implemented in Complex Instruction Set Computers (CISCs) still it was hard to use these instructions because compilers were required to find those conditions which exactly fit those constructs. Additionally task of optimising generated code to minimise code size, decrease instruction execution count and improving pipelining is much more difficult with these type of complex instruction set.
Another motivation for increasingly complex instruction sets was that complex HLL operation would execute more rapidly as a single machine instruction instead of as a series of more primitive instructions. Thoughdue to the bias of programmers in the direction of use of simpler instructions it may turn out otherwise. CISC makes more complex CU with larger microprogram control store to accommodate a richer instruction set. This enhances the execution time for simpler instructions.
So it is far from clear that trend to complex instruction sets is appropriate. This has led some groups to pursue opposite path.
Register-to-Register Architecture : In this organization, results and operands are accessed not directly from the main memory by the scalar or vector registers. The vectors which a
When producing a datapool, you state the kinds of data (called data types) that the script will send for example, customer names, addresses, and unique order numbers or product nam
How many 128 × 8 RAM chips are required to provide a memory capacity of 2048 bytes. Ans. Available here RAM chips = 128 x 8 Required the memory capacity = 2048 x 8 No. of chip
Extension of propositional logic: Away from proving theorems directly, and the other main use for rewrite rules is to prepare a statement just for use before we search for th
Magnify a triangle with vertices A = (0,0), B = (3,3) and C = (6,4) to twice its size in such a way that A remains in its original position.
What is control word? A control word is a word whose individual bits show the various control signals.
Prolog: Still we can take our card game from the previous lecture like a case study for the implementation of a logic-based expert system. So there the rules were: four cards
Q. Explain about parallel programming environment? The parallel programming environment comprises of a debugger, an editor, performance evaluator, programme visualizer for incr
Explanation:- A script within Rational Robot is a file that haves a sequence of SQABasic code. The extension of the file is always ".REC". Syntax [FEATURE] + "_" + [FUNCTION
Define Frequency Division - Application of Flip Flop? When the pulse waveform is applied to the clock input of a J-K flip-flop that is connected to toggle, the Q output is a s
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