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What are the basic steps needed to execute an instruction by the processor?
Ans: The basic steps needed to execute an instruction by the processor are:
A) First fetch the contents of the memory location pointed to by the PC. They are loaded into the IR register.
IR←[[PC]]
B) Supposing that the memory is byte addressable, increment the contents of the PC by
4, that is PC← [PC} + 4
c) In last Carry out the action specified by the instruction in the IR.
Give hardware organization of two-stage pipeline?
Inter suffer Buffer
Explained the role of cache memory in pipeline?
Ans: cache memory is used to solve the memory access problem. When cache is inserted in the processor the access time to the cache is typically the same time required to perform other basic operation inside the processor.
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Prove the following Boolean identities using the laws of Boolean algebra (A + B)(A + C) = A + BC Ans. (A+B)(A+C)=A+BC LHS AA+AC+AB+BC=A+AC+AB+BC OR A((C+1)+A(B+1))+BC
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The most common type of non-volatile memory is the ROM device. This device is read only and the data is masked into the chip during manufacture. Variations of the ROM are one off p
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Q. Find the complement of following functions and reduce to minimum literals 1. (A+C+D) (A+C+D') (A+C'+D)(A+D') 2. ABC(ABC' + AB'C + A'BC) 3. AB + AB' + A'C +A'C'
Problem: (a) What do you understand by the principle of locality of reference and explain how this is exploited in cache design. (b) Consider a 32-bit microprocessor that h
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Accumulator is the register in which Arithmetic and Logic calculations are completed.
calculate the number of states per unit volume in an energy interval of 0.01eV above the Fermi energy of Na metal. The Fermi energy of Na at 0 K=3eV.
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