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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
Why is Multiplexer Tree needed? Draw the block diagram of a 32:1 Multiplexer Tree and explain how input is directed to the output in this system. Ans. One of the possible
Define Flowchart. A process of expressing an algorithm by a collection of linked geometric shapes containing explanations of the algorithm's steps.
The most common type of non-volatile memory is the ROM device. This device is read only and the data is masked into the chip during manufacture. Variations of the ROM are one off p
Processing elements (PEs) : Every processing element consists of ALU, local memory and its registers for storage of distributed data. This PEs has been interconnected via an inte
The process which is underlined throughout the check of base data is called as candidate check. When performing candidate check performance varies either towards the positive side
What is the need of a hybrid in telephone networks? Digital exchanges need receive and transmit signals upon separate two-wire circuits. It calls for two-wire to four-wire con
Logical functions We have discussed the If, 'While and For' Statements, and have used expressions within our syntax i.e. If ( expression) Statement 1;
1. Write the function makegrid. This function accepts a width and height and creates a grid/matrix of cells. The width gives the number of columns and the height the number of rows
Q. Explain Indirect Cycle in control unit? Once an instruction is fetched the subsequent step is to fetch the operands. The instruction may have indirect and direct addressing
We can also use the logical operators to numbers directly and perform simple bit manipulation . The operators are & Bitwise AND | Bitwise OR ^ Bitwise exclusiv
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