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The Input Output System
The input output system provides the physical connection between the equipment and the PLC there are many different kinds of I/O cards which serve to condition the type of input or output so the CPU can use if for its logic. This simply a matter of determining what inputs and outputs are needed, filing the rack with the appropriate cards then addressing them correctly in the CPU program.
What is the function of the signal in 8086? BHE signal means Bus High Enable signal. The BHE signal is made low when there is some read or write operation is carried out. i.e.
Q. For the circuit shown in Figure, obtain: (a) z-and y-parameters; (b) Transfer function I 2 /I 1 when V 2 = 0.
Assume that an abrupt Si p-n junction with area 10-4 cm2 has NA=10 17 /cm 3 and ND=10 17 /cm 3 is working at room temperature. It is given that μ n = 700 cm 2 /v-s, μ P =250 cm
Compare with Register The contents of the register are compared with the contents of the accumulator here register may be any one of the A, B, C, D E, H, or L reg
industrial approach of speed control of dc series motor
Q. Illustrate working of Application Layer? As the highest layer in OSI reference model, application layer provides services to users of OSI environment. Layer
Note transducers convert a physical quantity from one form to another. The case below illustrates a typical moving coil meter that converts a current into a mechanical a
For carry Flag JC ( jump on Carry ) and JNC (Jump on No carry ) Instructions : JC transfer the execution of the program to the specified memory address if carry
h parameters
Explain in detail the operation of 8255 in mode1 taking suitable example. In mode1, Ports A and B are programmed as input or output ports and Port C is used for handshaking.
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