UART Interview Questions

1)What is the Full Form of UART?

  Universal Asynchronous Receiver Transmitter

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2)How many wires are used in UART Communication?

UART is two wired protocol.

1)TxD(Transmit Data)

2)RxD(Receive Data)

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3)Is UART Half Duplex (or) Full Duplex ?

    Full Duplex

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4)What is UART?

 UART is an on-chip peripheral of Microcontroller which can be used for Synchronous
 and Asynchronous serial communication in which data format and transmission speeds
  are configurable.

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5)What is the byte order in UART?

  LSB to MSB
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6)Name some UART devices ?

1)GSM

2)GPS

3)RFID

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7)What is the Standard Speed of UART ?

 The standard Speed of UART is up to 1 Mbps.

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8)What are the Advantages of UART ?

1)Hardware Complexity is low.

2)Requires only two wires for full duplex data transmission.

3)Parity bit for error checking.

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9)What are the Dis Advantages of UART ?

1)Size of data in the frame is Limited.

2)It is suitable for communication between two devices.

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10)What is a Serial Terminal?

In Computing, a serial port is a serial communication interface through which 
information Transfers in (or) out sequentially one bit a time.

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11)What is Hyper Terminal?

Hyper Terminal is a communications software (or) Hyper Terminal is a program that 
you can use to connect to other computers. With Hyper Terminal, the user can connect 
and transfer files between the two computers.

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