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Write a short note on RS-232-C.
The RS-232 standard is a collection of connection standards among different pieces of equipment. The EIA RS-232 serial communication standard is a universal standard, initially used to join teletype terminals to modem devices. Within a modern PC the RS-232 interface is termed as a COM port. The COM port utilizes a 9-pin D-type connector as in figure (a)) to attach to the RS-232 cable. This RS-232 standard shows a 25-pin D-type connector as in refer figure (b) but IBM decreased this connector to a 9-pin device in order to reduce cost and size.
Figure (a) Female and Male "DB-9" Connector
Figure (b) Female and Male "DB-25" Connector
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a mass of 20 kg is lifted u p to the roof of a cliff 100 m high.determie Ep of the mass while it is at the top
Positive Edge Triggered D Flip Flop In this type of D flip Flop ( 7475) shown in figure the output changes with positive edge of the CLK when CLK changes from 0 to 1
detail note on non biased
Register Addressing In this mode the operand are microprocessors registers only i, e the operations is performed within various registers of the microprocessors only.
(a) contains a freewheeling diode Dm, commonly connected across an inductive load to provide a path for the current in the inductive load when the switch S is opened after time t (
Q. Working of Microprocessor Control? The microprocessor, which has rapidly become a key component in digital control systems, and its associated circuits function as the digit
Q. Explain phase-shift keying? In PSK, the phase angle of a carrier is keyed between two values. When the values are separated by π radians, it is known as phase-reversal keyin
Write explanatory notes on 8284 Clock generator. The 8284 is an ancillary element to the microprocessors. Without this clock generator, a few additional circuits are needed to
determine the efficience of a 16 KVA transformer for the full-load,unit power factor
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