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Why is the data bus in most microprocessors bidirectional while the address bus is unidirectional?
Data Bus: These lines are used to send data to memory by output ports and to receive data from memory by input ports. Thus, data bus lines are bi-directional.
Address Bus: On these lines the CPU send out the address of the memory location or I/O port that is to be written to or read from. Here, the communiation is one-way, the address is send from CPU to memory and I/O port and as these lines are unidirectional.
Fetching a word from memory: CPU transfers the address of the needed information word to the memory address register (MAR). Address of the needed word is transferred to the pr
What are interacting processes? Interacting processes: The concurrent processes executing into the operating system are cooperating or interacting processes if they can be af
find a c program to find the area under the curve y=f(x) between x=a and x=b,intregrate y=f(x)between the limits of a and b.the area under a curve between two points can be found b
Write an algorithm for deadlock detection. An algorithm for deadlock detection: 1. Assume that Work and Finish be vectors of length m and n, correspondingly. Initialize:
What are the characteristics of DRAM? Low cost High density Refresh circuitry is needed
Which loader is executed when a system is first turned on or restarted? Ans. Bootstrap loader executed while a system is first turned on or restarted.
What are the features of Client/Server Computing? Although there are several different configurations, different hardware and software platforms and even dissimilar network pro
What is class, class diagram? An object is an instance of a class. Class explains a group of objects with similar properties (attributes), behaviour (operations), kinds of rela
Explain POP (Post Office Protocol). The Post Office Protocol gives remote access to an electronic mail box. The protocol permits a user's mailbox to reside on a computer which
You are given a collection of words, say as in a dictionary. You can represent it in the following compressed form: the first word will be followed by a sequence of a pair of numbe
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