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Assembly Language
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What is I/O mapping?

The assignment of addresses to various I/O devices in the memory chip is called as I/O mapping.
Posted By:Ellie Brown      Posted On: Nov 03

Assembly Language
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What is an USART?

USART stands for universal synchronous/Asynchronous Receiver/Transmitter. It is a programmable communication interface that can communicate by using either synchronous or asynchronous serial data.
Posted By:Ada Fischer      Posted On: Dec 02

Assembly Language
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What is the use of 8251 chip?

8251 chip is mainly used as the asynchronous serial interface between the processor and the external equipment.
Posted By:Jayden Evans      Posted On: Nov 22

Assembly Language
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What is 8279?

The 8279 is a programmable Keyboard/Display interface.
Posted By:Isabelle Brown      Posted On: Sep 27

Assembly Language
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List the major components of the keyboard/Display interface.

a. Keyboard section
b. Scan section
c. Display section
d. CPU interface section
Posted By:Kai Evans      Posted On: Oct 14

Assembly Language
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What is Key bouncing?

Mechanical switches are used as keys in most of the keyboards. When a key is pressed the contact bounce back and forth and settle down only after a small time delay (about 20ms). Even though a key is actuated once, it will appear to have been actuate...
Posted By:Amelia Schmidt      Posted On: May 10

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