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Which of the following IC is used to interface keyboard and display with the 8085 microprocessor:

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Various ICs and their functions are as below:

8279: Interface keyboard and display

8257: DMA Controller

8255: PPI (Programmable Peripheral Interface)

8251: USART (Universal Synchronous and Asynchronous Receiver Transmitter)

8259: PIC (Programmable Interrupt Controller)

8253, 8254: Programmable Timers