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Q. Explain about Variable-Length of Instructions?
With the better understanding of computer instruction sets designers developed the idea of having a range of instruction formats of different length. What could be benefits of such a set? The benefits of this scheme are:
But the fundamentalshortcoming of such a scheme is to have a complex CPU.
A significant feature about these variables length instructions is: The CPU is not aware about length of next instruction that is to be fetched. This problem can be controlled if every instruction fetch is made equal to size of the longest instruction. So sometimes in a single fetch multiple instructions can be fetched.
Define buffering. A buffer is a memory area that keeps data while they are transferred among two devices or among a device and an application. Buffering is done for three reas
Building the Structure Chart - Processes in the DFD tend to show single module on the structure chart Afferent processes - give inputs to system Central processes -
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What is the use of fork and exec system calls? Fork is a system call by which a new process is formed. Exec is also a system call, which is used after a fork by one of the two
structured programming
This is a small window that is demanding your attention. You must respond before you can carry on using the program that shown the dialog box. A dialog box does not have a minimize
What do you mean by Electronic Funds Transfer? Electronic Funds Transfer: It’s an electronic payment method which transfers the money value through one bank account to o
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Three dissimilar types of convergences are: 1. The convergence of e-commerce and wireless technology 2. The Convergence of E-Commerce and IP Business-Grade Messaging 3
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