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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
Design issues: To complete the maximum processor utilization in a multithreaded architecture, the following design issues have to be addressed: Context Switching time: S
The 68HC11 series is based on the Motorola 6800/1 programming instruction set and hence is a fairly simple 8 bit microprocessor. The internal structure of the 6800/1 is shown below
How does multiplexer know which line to select? This is managed by select lines. The select lines provide communication among different components of a computer. Now let's see
Buses: Execution of 1 instruction need the following 3 steps to be performed by the CPU: I. Fetch the contents of the memory location pointed at by the computer syst
Senior management has requested a status update on the workstation installation project. As a part of this update, managers have requested that you present an Earned Value analysi
CODE SEGMENT ; Set DS register MOV AX, DATA ; boiler plate code to set the DS register so that the MOV DS, AX ; program can access the data segment.
Creating Files for Writing Only Creating Files for Writing Only : To create a text file for writing only, pass "w" into fopen as the second argument. This example follows along
Can we call reports and transactions from interactive reporting lists? Yes. It also permits you to call transactions or other reports from lists. These programs then use val
The main benefits of CD-ROMs are: These are removable disks, thus they are suitable for archival storage mass replication is cheap and fast large storage capacity
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