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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
In the case of Static call, the called program is a stand-alone program, it is an executable program. During run time we can call it in our called program. As about Dynamic call, t
Q. How can we use Metropolitan Area Network? A MAN, essentially a bigger versions of a LAN is designed to extend over an entire city. It may be single network like a cable tele
How many ways can an argument be passed to a subroutine in programming? Ans) An argument can be passed in two way in a programming language. They are Pass by Value and Passi
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RDBMS relational database system - Relational databases are composed of relations and managed through relational operations, and governed through data integrity constraints.
What are the features of ABAP/4 Dictionary? The most significant features are: Integrated to aABAP/4 Development Workbench. Active in the runtime environment.
Implicative normal form: Thus the sentence is now in CNF. In Fact for simplification can take place by removing duplicate literals and dropping any clause that contains both A
A certain memory has a capacity of 4K × 8 (i) How many data input and data output lines does it have? (ii) How many address lines does it have? (iii) What is its capacity in bytes
Access to External Identifiers: An external identifier is one which is referred in one module though defined in another. You can declare an identifier to be external by including i
Q. How codes represent data for scientific calculations? How codes are in fact used to represent data for scientific calculations? The computer is a discrete digital device
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