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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.
What are the different database integrities? Semantic Integrity. Relational Integrity. Primary Key Integrity. Value Set Integrity. Foreign Key integrity and
Communication by devices, such as the HC11 processor, is a key and vital part of most systems that are used in military, commercial, and academic settings. In fact, most of these
What is a accepting computation history? An accepting computation history is explained as , Let M be a Turing machine and w be a input string, for M on w is a sequence of con
Determine about the Pick Device Light Pens The light pen used to select screen positions by detecting the light coming from points on the CRT screen. These are sensitive to
DATA DICTIONARY ON ONLINE QUIZ SYSTEM
What is 1 00 line exchange with one two-motion selector per subscriber. Design: In, Strowger switching system is designed by using one two-motion selector for all subscrib
Colour The use of colour is considered by many to be one of the most important areas in composition. Colours can be used in isolation or specific combinations to create partic
Why must a modem be used to transmit binary data through a PSTN? (1) Use sketches and additional text to describe the following modulation methods. (a) Amplitude shift keying (b) F
Illustrate the basic structure of the von Neumann machine The following figure shows basic structure of the von Neumann machine. A von Neumann machine has only a single path be
What is the disadvantage of strobe method. The drawbacks of strobe method are that the source unit that show the transfer has no way of knowing whether the destination unit h
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