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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.
shell script to find the factorial of a given number using the for loop
Which scheduling policy is most suitable for a time-shared operating system? Ans. Round-Robin scheduling policy is most appropriate for a time-shared operating system.
What is EDO RAM A minor modification to the structure of the DRAM changes the device into an EDO (extended data output) DRAM device. In EDO memory, any memory access, including
Explain software process model in brief.
MIPS - computer architecture: The MIPS ISA, so far 3 instruction formats Fixed 32-bit instruction 3-operand, load-store architecture 32 general-purpose register
Q. What is Random Access Memory? We will discuss RAM as an example of sequential circuit. A memory unit is a collection of storage cells or flip flops along with associated cir
(a) Consider a sinusoidal signal m(t) = A cos(2πfmt) applied to a delta modulator with step size Δ. Determine the range of the step size so that slope overload will be avoided. Ass
Mr. X seems to view himself in positive terms (MMPI-2: Ho=38) as a well-functioning person who is capable of dealing with his life and personal challenges (MMPI-2: LSE=41, TRT=39),
Explain Top down parsing. Top down parsing: Specified an input string, top down parsing tries to derive a string identical to this by successive application of grammar rule
What are different control function categories. Explain. In several switching systems, the control subsystem may be an integral part of the switching network itself. This syst
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