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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. Versions of small computer systems interface? SCSI-1 calls for a cable with 8 data wires plus one for parity. SCSI-2 allows use of multiple cables to support 16- or
Drawbacks to resolution theorem: Thus the underlining here identifies some drawbacks to resolution theorem proving: It only works for true theorems that can be expresse
What are the concerns for growth of e-commerce in India? Government as Facilitator for the growth of e-commerce has taken following steps: a. Promotion of competitive dataco
There are two types of assemblies:- 1. Private Assemblies 2. Shared Assemblies
I want to know basic about it
Illustrate the elements of Information Super Highway Infrastructure. The Information Superhighway is more than the Internet. This is a series of elements, including the collect
What techniques are used to increase the clock rate R? Ans: The 2 techniques used to increase the clock rate R are: 1. We can reduce the amount of processing done in one basi
Explain about the MINI COMPUTER Minicomputers are much smaller in size than mainframe computers and they are also less expensive. The cost of these computers can differ from a
Q. Define Strategy Procedure? The strategy procedure is called when loaded into memory by DOS or whenever controlled device request service. The major purpose of the strategy i
Two computers using TDM take up turns to send 100-bytes packet over a shared channel that operates at 64000 bits per second. The hardware takes 100 microseconds after one computer
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