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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.
a. Explain Standard Streams and file streams. Differentiate among two types of stream. b. Write a program in C++ that inputs characters from the keyboard and prints them in reve
Draw the logic diagram of 16-bit ROM Array and explain its principle of operation. Ans: 16-bit ROM Array: A ROM that is read-only memory is an array of selectively closed
Loop Level This is one more level of parallelism where iterative loop instructions can be parallelized. Fine Granularity size is used at this level also. Simple loops in a
Q. Describe about Modem Language? Modems understand a set of instructions known as Hayes Command Set or AT Command Set. These commands are used to communicate with Modem. At ti
how to calculate delay for hazard?
Q. Basic Tradeoff of concerns for instruction set design? Basic Tradeoff: Smaller instruction (less space) vs. desire for more powerful instruction repertoire. Generally p
Level of any node of a tree is :- Its distance from the root
Ask queCreate a telephone directory. The heading should be 16-point Arial Font in bold The rest of the document should use 10-point font size Otherheadingsshould use 10-point Cour
What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has sure "structure" b
Why the temporary registers W and Z are named so I mean we start from A,B,C,D,E then H and L coz H stands for higher bit nd L for lower bit of the address pointed by memory pointer
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