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What are the disadvantages of linked allocation? The drawbacks are a. Used only for sequential access of files. b. Direct access is not supported c. Memory space neede
File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
What is parsing Parsing is the procedure of analyzing a text, made of a sequence of tokens, to define its grammatical structure regarding to a given formal grammar. Parsing is
with the aid of diagrams describe the following OS structure monolithic,layered and client server.
Consider a computer system with a 32-bit logical address and 4KB page size. The system supports up to 512MB of physical memory. How many entries are there in a conventional single-
Enhanced Second chance algorithm In this a modify bit is as well used. Now if the ordered pair of reference and modify is (0,0) neither recently used nor modified - the best
Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders. Answer: The middle of the disk is the location having the smalles
When a program issues a memory load or store operation, the virtual addresses (VAs) used in those operations have to be translated into "real" physical memory addresses (PAs). This
An analysis, which defines the syntactic structure of the source statement, is known as Syntax analysis defines the syntactic structure of the source statement
What is a file? A named collection of related data explained by the creator, recorded on secondary storage.
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