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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
Q. Illustrate the Cache Memory Operation? It comprises a copy of a part of main memory contents. When a program is running and CPU tries to read a word of memory (instruction o
What are the steps involved in authentication? Steps in Authentication The control over the access of the resources in the repository is exercised in two steps namely Auth
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Explain the term - Strong Typing and Weak Typing Strong Typing : When any operation upon an object can be checked during compile time, when type is confirmed forcefully.
What are Multidimensional Arrays? Multidimensional array: Multidimensional arrays can be defined as "arrays of arrays". For example, a bidimensional array can be fictional as a
How to select valid lines for secondary list? To stop the user from selecting invalid lines, ABAP/4 offers various possibilities. At the end of the processing block END-OF-SEL
How are switching system classified
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Explanation Constants are "variables" that cannot be changed within a function- or script-body. The value will always be the similar during script-implementation. Syntax "AX
The Concept of Parallel Execution and Concurrent Real world systems are obviously concurrent, and computer science is about modelling the actual world. Examples of actual worl
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