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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.
Conversioin of the decimal number 82.67 into Octal number ? Ans. The binary equivalent is (1010010.10101011) 2 of decimal number 82.67. After that convert each 3-bit binary in
Q. Define COM Programs? A COM (Command) program is binary image of a machine language program. It is loaded in memory at the lowest available segment address. Program code star
Question: (a) Explain clearly the difference between a Proposal and a Treatment for a video production project. (b) Explain clearly the difference between Narrative form an
Q. Benefits of traditional hard disks and CD-ROM? CD-ROM is suitable for distribution of large amounts of data to a large number of users. CD-ROMs are a general medium these da
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Efficiency of Vector Processing over Scalar Processing As we know a serial computer processes single scalar operands at a time. So if we have to process a vector of length 'n'
The fields specified by select-options and parameters statement cannot be grouped together in the selection screen. No, It can be grouped together in the selection screen
Define the Operating Characteristics for master-slave S-R flip-flop? 1. Propagation Delay Time - is the interval of time required subsequent to an input signal has been applied
Q. Show the Bus and Memory Transfers? A digital computer has many registers and rather than connecting wires amid all registers to transfer information between them a common bu
How do you achieve workflow automation in e-business environment? In order to run easily, organizations often standardize processes across the organization and encourage user
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