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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.
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that
Q Explain Instruction cycle and Execution cycle. and also explain Instruction Counter, Memory Address Register and Memory Buffer Register.
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a) Input names of students from the user, terminated by "ZZZ", 0, 0, 0 and create a data file grades with records of the following form: Student (string), test1 (integer), test2 (i
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Q. Explain arithmetic shift Micro-operations? In arithmetic shift a signed binary number is shifted to right or to the left. So an arithmetic shift-left causes a number to be m
Q. Develop a menu driven program to implement AND, OR, NOT gates using and without using Bit wise operator. The menu should be as follows: I. Using Bit Wise operator I
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