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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.
Q. Find the de Broglie wavelength of electron in the fourth orbit of hydrogen atom. We know that, λ = 2πr / n λ4 = 2πr 4 / 4 = 2π (4 2 r1) / 4 = 2 X
create a stored procedure to debit a bank account user must enter account no. and amount to debited from account .the minimum balance in account should be 500. if the debited amoun
What are the four types of consumer oriented applications of E-commerce? Discuss them briefly. Four types of Consumer Oriented applications in E-Commerce are as follows: 1
Determine the benefits of developing prototype According to SOMM [96] benefits of developing prototype are as following: 1. Communication gap between clients and software
how to write this program,what are the declaration and function are needed in java program in java // aakash , suraj , prem sasi kumar kamaraj college program 1 : pack
Direct Rambus DRAM or DRDRAM (sometimes just known as Rambus DRAM or RDRAM) is a type of synchronous dynamic RAM. RDRAM was formed by Rambus inc., in the mid-1990s as a replacement
What is binary adder? Binary adder is constructed with full adder circuit linked in cascade, with the output carry from one full adder linked to the input carry of next full ad
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Define Time Sharing. Time Sharing: Sharing of a computing resource among various users by means of multiprogramming and multi-tasking is termed as timesharing. By permittin
In a word,you can't. It would certainly be helpful to be able to color-code your worksheet tabs. For some reason, Microsoft hasn't executed this feature, which has been available i
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