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Q. What do you mean by instruction cycle?
We have considered the instruction execution in previous section. Now let's consider more about different types of instruction execution.
What are the different types of operations which can be required by computer for execution of instruction? Following are probable steps:
So in general execution cycle for a individual instruction can involve more than one phase and memory references and an instruction might ask for an I/O operation. Determining the steps above let's work out a more comprehensive view of instruction cycle. Figure below gives an illustration of an instruction cycle.
Determine a program that is in execution is known as Program in execution is known as Process
Q. What do you understand by Scan Codes? A scan code is a code produced by a microprocessor in keyboard when a key is pressed and is unique to key struck. When this code is rec
Explain the operation of 8:1 multiplexer. Ans: In this multiplexer 8 Input and 1 Output and three select lines i.e. S 2 , S 1 , S 0 are given. Any one of the inputs will be
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Define the Emphasis on Object Structure Emphasis on Object Structure, not on Operation Implementation In object orientation the importance is on specifying the qualities
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Q. Explain Memory Write operation? Memory write operation transfers content of a data register to a memory word M selected by the address. Presume that data of register R1 is t
Suppose we have an array-based list A[0..N - 1] and we want to delete all duplicates. LastPosition is initially N - 1, but gets smaller as elements are deleted. Consider the pseudo
Explain the term recursion A recursive function is one which calls itself. Recursive functions are useful in evaluating certain types of mathematical function. Here is a recursiv
What is a Priority Interrupt? Ans: A priority interrupt is a type of interrupt that establishes a priority over the many sources to determine which condition is to be serviced
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