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Explain routing tone in strowger telephony with waveforms and the timings.
The call-in-progress tone or routing tone is a 400 Hz or 800 Hz intermittent pattern. In electromechanical systems, this is generally 800 Hz with 50 percent duty ratio and 0.5 s on/off period. This is a 400 Hz pattern with 0.5 s on period and 2.5 s off period, in analog electronic exchanges. In digital exchanges, this has 0.1 s on/off periods at 400 Hz. While a subscriber call is routed by a number of different types of exchanges, one hears various call-in-progress tones as the call progresses by different exchanges. Figure shows a routing tone pattern.
Figure: call-in-progress tone or routing tone
Clipboard is a temporary storage location in Windows. The clipart will kept one piece of information at a time when it is manually added to the clipart or is copied there.
Unification - Artificial intelligence: We have said that the laws of inference for propositional logic detailed in the previous lecture can also be used in first-order logic.
Q. Illustrate Character Coded Data? The input output happens in the form of ASCII data. These ASCII characters are entered as a string of data. For illustration to get two numb
Information Technology or Information System Before going further we need to clarify what we mean by the term information system. It is easy to confuse terminology as many tex
Instruction buffers For taking the complete advantage of pipelining pipelines must be filled continuously. So instruction fetch rate must be matched with pipeline consumption r
A ring counter consisting of five Flip-Flops will have ? Ans. A ring counter have 5 states while consisting of Five Flip-Flops.
Advantages and Disadvantages of Structured Analysis With time, you will find out that most customers understand structured methods better than object oriented (OO) methods. As
Define race condition. When several process access and manipulate similar data concurrently, then the outcome of the implementation depends on particular order in which the ac
Explain Performance Evaluation in parallel Computing In this section, we will discuss the key attributes used to measure performance of a computer system. The performance chara
prototype model
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