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In electronic circuit and system design, the word noise is used to refer to any undesired excitation on the system. In other contexts, noise is also used to refer to signals or excitations which exhibit chaotic or random behavior. The source of noise can be either internal or external to the system. For instance, the thermal and shot noise generated within integrated circuit devices are in- ternal noise sources, and the noise picked up from the environment through electromagnetic interference is an external one. Electromagnetic interference can also occur between different components of the...

In electronic circuit and system design, the word noise is used to refer to any undesired excitation on the system. In other contexts, noise is also used to refer to signals or excitations which exhibit chaotic or random behavior. The source of noise can be either internal or external to the system. For instance, the thermal and shot noise generated within integrated circuit devices are in- ternal noise sources, and the noise picked up from the environment through electromagnetic interference is an external one. Electromagnetic interference can also occur between different components of the...

Fundamental analysis is one of the leading methods used in the selection of firms for investment decisions in stock markets. Fundamental analysis is used to obtain information about a firm by taking into account its financial information such as sales, profitability, cash flows and growth rates. In other words, fundamental analysis tries to show the "big picture" of the financial position of firms in the future. Technical analysis is used to determine the time to invest in the stocks of the firm for which an investment decision is made. Technical analysis is used to determine the time to...