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OPERATING SYSTEMAn I/O port typically consists of four registers-status, control, ______ and ______ registers. (i) system in, system out (ii) flow in, flow out (iii) data in, data out (iv) input, output20242mOPERATING SYSTEMAn I/O port typically consists of four registers-status, control, ______ and ______ registers. (i) system in, system out (ii) data in, data out (iii) flow in, flow out (iv) input, output20222mMICROPROCESSORSHow are the address and data buses removed in external memory type of microcontrollers? (i) Through demultiplexing by external latch & ALE signal (ii) Through demultiplexing by external latch & DLE signal (iii) Through multiplexing by external latch & DLE signal (iv) Through multiplexing by external latch & ALE signal20202mMICROPROCESSORSExplain serial ports of 8051 microcontroller. Also discuss about registers used in serial communications.20227m
PreviousWhat is the required baud rate for an efficient operation of serial port devices in 8051 microcontroller? (i) 1200 (ii) 2400 (iii) 4800 (iv) 9600NextHow are the address and data buses removed in external memory type of microcontrollers? (i) Through demultiplexing by external latch & ALE signal (ii) Through demultiplexing by external latch & DLE signal (iii) Through multiplexing by external latch & DLE signal (iv) Through multiplexing by external latch & ALE signal