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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.
Give detail explanation about Arithmetic Micro-operations These micro-operations perform some essential arithmetic operations on numeric data stored in the registers. These bas
Q. A. Which gates are called Universal Gates? Why? B. State and prove any one of the DeMorgen's Laws. Show that these theorems can be extended up to any number of variables.
Explain about the network level in detail. Network Level Firewall/Packet Filters: At the Network level firewalls operate upon the mechanism of filtering individual IP pa
What is clause form and resolution?
What are program invisible registers? Global and local descriptor tables are found in memory system. In order to specify and access the address of these tables, program invisi
What are compilers and interpreters? Compiler and Interpreter: These are two types of language translators. A compiler changes the source program (user-written program) int
Q. Observations of High Level Language Program? Observations Integer constants appeared nearly as frequently as structures or arrays. Most of the scalars were foun
Define Cloud services with example. Any web-based application or service offered by cloud computing is known as a cloud service. Cloud services can contain anything from calend
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Volatility of memory: Non-volatile memory will received the stored information even if it is not continually supplied with electric power. It is appropriate for long-term
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