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Q. What is the need of MODEM in data communication?
Need of Modem: Modems are used to interface computers, computer networks in addition to other terminal equipment to telecommunication lines and radio channels. The word "Modem" is a contraction derived from words modulator anddemodulator. Modems at the transmitting station changes digital output from the computer or other data terminal equipment to a form that can be easily sent via a communication circuit whereas the receiving modem reverse the process. Modems differ in rate of data transmission, modulation methods and bandwidth and standards have been developed to provide compatibility between different manufacturers' equipment and systems.
a. Explain State Transition Diagram and define the various SDL symbols used in state transition diagram. b. Draw the signal exchange diagram for a local call used to show the se
What are the different types of write operations used in 8253? There are two types of write operations in 8253 (1) Writing a control word register (2) Writing a count val
After I complete my diploma how I get a job in goverment
Components of PLC There are followings three main components of PLC : a.The power supply and rack. b.The central processing unit ( CPU) c.The input / output (I/O
Q. Explain the fixed bias circuit? The Fig refers to the common emitter collector characteristics and the ac and dc load lines.The Fig shows the points Q 1 and Q 2
I have a project due tomorrow, i have exhuasted all my resources, and cannot understand how to do the project, it is VHDL coding in Quartus program, i can send the assignment if yo
GIS technology: GIS could be used to derive diverse information for efficient technical and commercial management of a power distribution utility, e.g., capacity analysis, inv
An audiomessage is band-limited to 15 kHz, sampled at twice the Nyquist rate, and encoded by a 12-bit natural binary code that corresponds to Lb = 212 = 4096 levels, all of which s
Q. Series generator having a combined armature and field resistance of 0.4? is running at 1000 r.p.m. and delivering 5.5kw at terminal voltage of 110 V. If the speed is raised to 1
Design a 4-bit synchronous counter that has the following sequence: 0 ?4? 9?12 ? 14 ?15 and repeat using: i) JK FF ii)D FF
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