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Q. Explain Error Detection and Correction Codes?
Before we wind up data representation in reference of today's computers one should determine about code that helps in correction and recognition of errors. Computer is an electronic media hence there is a probability of errors at the time of data transmission. These kinds of errors can result from disturbances in transmission media or external environment. But what is an error in binary bit? An error bit alters from 0 to 1 or 1 to 0. One of simplest error detection codes is known as parity bit.
Can you explain what inheritance is and an example of when you might use it? The process of deriving a new class from an existing class is known as Inheritance. The old class i
Explain the types of hardware used in supermarkets These use many types of specialist I/O hardware. For instance: - Bar code readers/scanners (to read product details and e
Discuss about OS as system software? OS is a large program or actually a collection of routines that is used to control the sharing of and interaction between various computer
Reprography: Reprography, as a term, has gained international recognition in 1963. It includes "photocopying , microcopying, duplicating and in-plant printing and is character
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Suppose you work in a network security company, and you need to prepare a survey report of a particular security issue of wireless networking. To start with, select an area of wire
A sorted file having 16 items. Using binary search, the maximum number of comparisons to find for an item in this file is The maximum number of comparison is 4
Data packets: A data packet consists of the PID which is followed a 16-bit CRC and by 0-1023 bytes of data payload (up to 1024 in high speed and at most 8 at low speed) The
Dynamic modelling: state diagrams A state diagrams allow you to further explore operations and attributes which need to be defined for an object. They comprises of sets of sta
What is a Map? A Map is an Array, which having the addresses of the free space in the swap device that are allocatable resources, and the number of the resource units available
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