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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.
How can system improved if one arrive at the probability of availability of free lines during the busy hour? Improvement can be made when the system is act as a loss system in
Flag is known as Low order register & Accumulator is known as High order Register.
Distinguish between enhancement mode and depletion mode metal oxide semiconductor field effect transistors giving their characteristics. Ans. Enhancement mode and depleti
Q. Develop a program to implement the concept of true and radix minus one complement. Program should ask for radix and two numbers from that radix. For that two numbers program
Determine Symbolic names can be associated with Symbolic names can be associated with the data or instruction
Q. How to select a table? The easiest way to select a table in Standard view is by using tag selector, which displays HTML tags of elements in document. You will use tag sel
How can we declare a table control in the ABAP/4 program? Using the syntax controls type tableview using screen .
How does an authentication system be different from a firewall into functioning? Authentication verses firewall User Authentication and Authorization A significan
Define the Fundamentals of computer system A computer processes digital information. In order to do that it runs (executes) a machine language program. As an illustration, when
The English existential construction involves so-called there-sentences such as these: (1) There is a dog in the yard (2) There were no children at the party (3) There
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