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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.
Intelligent Retrieval from Database: Database system are large bodies of facts about some subjects, which are used to answer users queries about that subject. The design of d
An established communication session among a server and a workstation.
Q. What is Gate? Explain Basic gates with truth table and necessary circuits. Q. Which gates are called Universal Gates? Why? Q. Give the Dual of the rule 17. Q. Realize
a. What are the differences among conventional signatures and digital signatures? Write a short note on "Attacks on digital signature". b. What is Public-Key Infrastructures
Q. Illustrate the working of Encoders? An Encoder performs reverse function of decoder. An encoder has 2n input lines and 'n' output line. Let's see 8 ×3 encoder that encodes 8
What is SAP dispatcher? SAP dispatcher is the control agent that handles the resources for the R/3 applications.
LoadRunner script code acquired from recording in the ANSI C language syntax, shown by icons in icon view until you click Script View.
JMX is native to the Java programming language. As a result, it offers natural, efficient, and lightweight management extensions to Java-based functions. It has of a set of specifi
Explain briefly the generic framework for e-commerce. Generic framework of e-commerce contains the Applications of EC (like as banking, shopping in online stores and malls,
What is the system call available to transmit a signal? System call Kill is used to send a signal to a method or a group of processes. Int kill (pad tepid, Int sig); This
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