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Explain Busy tone in strowger telephony.
Busy tone pattern is demonstrated in figure. This is a bursty 400 Hz signal with silence era in between. The burst and silence duration contain the similar value of 0.75 s or 0.375 s. A busy tone is sent to the calling subscriber when the switching equipment or junction line is not obtainable to put through the call or the called subscriber line is engaged.
Figure: Busy Tone
COMPUTER FUNDAMENTALS 1. Elaborate the various steps in performing a Mail Merge. Perform one mail merge operation for sending invitation for a conference which is being conduc
Flynn's Classification This classification was early proposed and studied by Michael Flynn in 1972. Flynn did not believe the machine architecture for organization of parallel
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.
Find how many bits of ADC are required to get an resolution of 0.5 mV if the maximum full scale voltage is 10 V Ans. Given Resolution=.5mV Full scale output=+10v %resolut
What is called PCP? The phenomenon of un-decidability is not confined to problems concerning automata. An un-decidable problem concerning on simple manipulation of strings is k
Define the three prime processes of uml The three prime processes were OMT (Rumbaugh), OOSE (Jacobson) and Booch. OMT was strong in analysis, while Booch was strong in design a
define request edge and assignment edge
Name the switching schemes used in a digital exchange? The several switching systems used are: 1. Strowger Switching System 2. Cross bar Switching. 3. Electronic Swit
a. Activity diagram: Activity diagram is used for functional modelling. Captures the process flow. b. Sequence diagram : Sequence diagram is used for dynamic modeling.
Sort the following list using selection sort technique, displaying each step. 20,12,25,6,10,15,13
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