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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
Convert the given S-R flipflop to a D-flip flop. Ans: The Truth Table for S-R Flip-Flop is illustrated in Fig.(a) and truth table of D Flip-Flop is illustrated in Fig.(b)
How are instructions sent between memory and the processor? Both the instruction pointer (IP) and program counter (PC) utilized to holds the memory address of the next inst
Explain in detail about Operating Systems (OS) Operating system (OS) is a program which after being initially loaded into computer by a boot program, manages all the other appl
if 2 forces are equal at an angle alpha between them - its resultant R and its direction
What is meant by a priority encoder? Ans: Priority encoder- Basically an encoder is a combinational circuit which performs the inverse operation of a decoder. The input c
Explain Direct Memory Access. A modest enhances in hardware enables an IO device to transfer a block of information to or from memory without CPU intervention. This task needs
Design a 8 to 1 multiplexer by using the fourvariable function given by F(A, B, C, D) = ∑ m(0,1,3,4,8,9,15). Ans. Design of 8 to 1 Multiplexer: It is a four-variable function a
The Peripheral interface chip system requires the construction of the interface chip circuit, which is controlled by main micro-controller via the user interface. I also need set
Advanced aspects of assembly language programming in this section. A number of these aspects give assembly an edge over high level language programming as far as efficiency is conc
History of Information Technology and Organisations The increasing sophistication in information systems and the growth in their use have been influenced by three main factors
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