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Explain the Discrete Time Systems?
A system operates on an input signal, x[n] and output the results, y[n]. For example, a digital filter (a system) can be represented by the following block diagram. The input, x[n] and output, y[n] are the excitation and response of the filter respectively.
Characteristics of systems are
1. Linear
2. Time invariant
3. Shift invariant
4. Causal
5. Stability
Explain isolated I/O scheme. In I/O mapped I/O scheme the addresses allocated to memory locations can also be assigned to I/O devices. Because the same address may be assigned
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residual voltage in potential transformer
FIGURE shows a pneumatic circuit diagram used for air supply and exhaust in an automatic control system. (a) Name all symbols (including pipelines) used in the system. (b) N
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Kirchoff's Current Law The total current entering a node in a circuit is equal to the total current leaving that node. A Node is a junction between two or more components.
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