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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.
The defining traits of an object-oriented language are: * Encapsulation * Inheritance * Polymorphism
why we should study the architecture of computer?
Explain topology method used in LAN technology in detail. LAN Topologies: Network topology is a physical schematic that shows interconnection of the various users. There are
Q. Explain Cell Spacing and Cell Padding? Couple of attributes known as CELLSPACING and CELLPADDING. Both are part of tag. CELLPADDING is the amount of space between
Functionality under load can be tested by running various Vusers concurrently. By enhancing the amount of Vusers, we can verify how much load the server can sustain.
How does bus arbitration typically work? i. A bus master waiting to use the bus asserts by the bus request. ii. A bus master cannot be the bus until it's request is grant
1) Describe challenges involved for both the sender and the receiver in the communication process. 2) Describe the purpose of a subject line in an email message and give gui
Define main memory and auxiliary memory? The memory unit that communicates directly with the cpu is known as main memory [RAM].Devices that give backup storage are known as aux
What is Page stealing? Ans. Taking page frames other working sets is called Page stealing.
#question.A universal shift register can shift in both the left-to-right and right-to-left directions, and it has parallel-load capability. Draw a circuit for such a shift register
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