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Q. How to Access the Disk Data?
Disks operate is semi-random mode of operation and generally referenced block wise. The data access time on a disk comprises two major components:
In addition to seek and latency time the time taken to transfer a (read/write) block of words can be considered however normally it is too small in comparison to seek time and latency and in general disk access time is concerned to be sum of seek time and latency time. Because access time of disks is large so it is advisable to read a sizeable part of data in a single go and so disks are referenced block wise. As a matter of fact you will find that in most of computer system input/output involving disk is given a very high priority. Fundamental reason for such priority is latency time which is needed once the block which is to be read passes below read-write head. It may take time of order of milliseconds to do it again, in turn delaying Input /Output and lowering performance of system.
Instruction Set Architecture (ISA): The Instruction Set Architecture (ISA) is the part of the processor which is noticeable to the compiler writer or programmer. The ISA serve
List the typical functions of operating systems. Classical functions of operating system are given as: (1) Process management: A process is a program throughout execution.
Direct Rambus DRAM or DRDRAM (sometimes just known as Rambus DRAM or RDRAM) is a type of synchronous dynamic RAM. RDRAM was formed by Rambus inc., in the mid-1990s as a replacement
Explain dissimilar security protocols used for e-commerce applications. The e-commerce systems of today are composed of a number of components including: a commerce server, d
why we don''t use register at the place of ram?
Can we specify file transfer in a Web page? Explain with the help of suitable example. Yes, file transfer can be given in a web page. The first field within a URL gives a proto
Write short note on the Johnson counter. Ans: Johnson Counter: It is a synchronous counter, where all flip-flops are clocked concurrently and the clock pulses drive the
Place some text wherever. Then click "Create path from text" in the "Text tool option" window. Then use "Edit" -> "Stroke path" and choose the appropriate options in the following
Define Multiprogramming. Multiprogramming: A multiprogramming operating system is system which allows extra than one active user program or part of user program to be store
In class SlotCollection, remove the fields slot1, slot2, slot3 and slot4 and replace them by an array of slots. Modify the rest of the program to work using this array. There is
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