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In a memory hierarchy system, data and programs are first stored in secondary or auxiliary memory. Program and its related data are brought in main memory for execution. What if the size of Memory needed for Program is more than the size of memory? Virtual memory is a idea used in some large computer systems which allow user to construct programs as though a large memory space were available, equal to total of secondary memory. Every address produced by CPU goes through an address mapping from so-called virtual address to a physical address in main memory. Virtual memory is employed to give programmers the illusion that they have a very large memory at their disposal although computer in fact has a relatively small main memory. A Virtual memory system offers a mechanism for translating program-generated addresses in correct main memory locations. This is done dynamically whereas programs are being executed in CPU. The translation or mapping is handled automatically by hardware through a mapping table.
What are the components of I-way Infrastructure? There are three components of the I-way infrastructure: • Consumer access equipment • Local on-Ramps • Global informat
What are the four necessary conditions of deadlock prevention? Four essential conditions for deadlock prevention are: 1. Removing the mutual exclusion condition implie
Proof by Contradiction: Now for forward chaining and backward chaining both have drawbacks. But another approach is to think about proving theorems by contradiction. So we can
The C programming language is a standardized programming language forrned in the early 1970s by Ken Thompson and Dennis Ritchie for use on the UNIX operating system. It has since s
Question: (a) What are the rationales for an effective and independent regulator? (b) Across Africa, regulators have established Universal Service Funds (USFs) in order to
Question: (a) What are effect presets and how can they be helpful? (b) Explain the difference between digital zoom and optical zoom. (c) Explain exposure in the context o
Define the System Analysis of Object oriented modelling System Analysis: In this stage a statement of the queries is formulated and a model is designed by the analyst in enc
What is a microform? This is the collective term for all micro images kepted on a wide range of microfilm media, like roll film, fiche, aperture cards, strip or jackets.
Rounding off of values can be carried out using the write statement. Yes, Rounding off value can be out by using the write statement.
Advantages of random scan display Early computer displays: basically an oscilloscope. Control X, Y with vertical/horizontal plate voltage. Often used intensity as
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