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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.
Q. Show the Features of Hyper-threading? The significant characteristics of hyper threading are: i) Improved response time and reaction, as well as increased number of users
In RDBMS, what is the efficient data structure used in the internal storage representation? B+ tree. Because in B+ tree, all the data is kept only in leaf nodes, that makes sea
Q. Write an interrupt routine to handle 'division by zero'? This file can be loaded just like a COM file though makes itself permanently resident until the system is running.
What is a Service in SAP terminology? A service refers to something offered by an s/w component.
Write Hit Policies: Write through o Update next level on every write o Cache is always clean o A lots of traffic to next level (mostly write) Write
How congestion is controlled in TCP? One of the most significant aspects of TCP is a mechanism for congestion control. In main modern internets, extreme long delays or packet l
An assembler is? Ans. An assembler is Machine dependant.
Q. How steps of instruction execution can be broken down? Let's explain how these steps of instruction execution can be broken down to micro-operations. To make easier this dis
What is use case and use case diagram? A use case is a coherent piece of functionality that a system can give by interacting with actors. Use case includes one or more actors a
Define the types Programmable logic devices? There are mostly three types PLDs. These are vary in the placement of fuses in the AND- OR array. 1. ROM- It has fixed AND array
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