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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
What is a half-adder? Explain a half-adder with the help of truth-table and logic diagram. Ans. Half Adder: It is a logic circuit for the addition of two 1-bit numbers is term
How many select lines will a 32:1 multiplexer will have ? Ans. 5 select lines will be required for 32 inputs, as 2 5 = 32.
The Boolean expression A‾.B + A.B‾ + A.B is equivalent to ? Ans. The Boolean expression A‾ .B + A. B‾+ A.B is equivalent to A + B (A‾ .B + A. B‾+ A.B = B( A‾ + A) + A. B‾ =
Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and implements the instructions. Most Micro Processor is single- chip devices.
Determine the simulation factor- Weather Illustration of simulation is predicting weather (i.e. a weather forecaster). In this case we will consider what/how data is collected,
Sort the following list using selection sort technique, displaying each step. 20,12,25,6,10,15,13
What does the term convergence mean with respect to E-commerce? Convergence with respect to e-commerce The ability to leverage and integrate the several data sources and
Define Operation code. The Operation code of an instruction is a group of bits that explain such operations as add, sub, ,shift, mul and complement.
Chains of Inference: Now we have to look at how to get an agent to prove a given theorem using various search strategies? Thus we have noted in previous lectures that, there i
Q. Illustarte Basic Flip-flops? Let's first see a ordinary latch. A latch or flip-flop can be created employing two NOR or NAND gates. Figure (a) presents logic diagram for S-R
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