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Sequential Logic Circuits - Technical MCQs

Q1:

Which type of device may be used to interface a parallel data format with external equipment's serial format?

A key matrix

B UART

C memory chip

D serial-in, parallel-out

ANS:B - UART

Microprocessor with UART Facility, Device B:Component with UART facility.

If we transfer some quantity of Binary datas from device B to Device A through UART Communication.

The microprocessor has (PIPO) Register. In the microprocessor we receive the data through Serial Communication, Inside the microprocessor, we have a serial to parallel converter. The output of serial to parallel converter is given as input to register in microprocessor.