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How many wires does UART use?

1. One
2. two
3. Three
4. four

✅ Correct Answer: 2

The UART frame consists of ___________ bits

1. Data
2. Start/stop
3. Parity
4. All the above

✅ Correct Answer: 4

Which bit is used for error detection?

1. Data
2. Start/stop
3. Parity
4. All of the above

✅ Correct Answer: 3

In which parity the number of 1’s must be even?

1. Even
2. Odd
3. Both A & B
4. none of the above

✅ Correct Answer: 1

___________ are the UART registers

1. Control and status
2. Receive
3. Transmit
4. All of the above

✅ Correct Answer: 4

Which one of the following registers contains settings for the UART?

1. Control
2. Receive
3. Transmit
4. All of the above

✅ Correct Answer: 1

Which one of the following registers contains information about the UART state or condition?

1. Control
2. Receive
3. Transmit
4. Status

✅ Correct Answer: 4

The universal asynchronous receiver transmitter can be _____________

1. Simplex
2. Full-duplex
3. Half-duplex
4. All of the above

✅ Correct Answer: 4

In which parity the number of 1’s must be odd?

1. even
2. odd
3. Both A & B
4. none

✅ Correct Answer: 2

The number of bits sent every second is known as ________ rate

1. Bit
2. Byte
3. Baud
4. none of the above

✅ Correct Answer: 1

The number of symbols sent every second is known as ________ rate

1. Bit
2. Byte
3. Baud
4. None of the above

✅ Correct Answer: 3

Which one is a type of UART flag?

1. TDRE
2. RSR
3. RDR
4. None of the above

✅ Correct Answer: 1

Which one is a type of UART register?

1. TDRE
2. RSR
3. SCSR
4. none of the above

✅ Correct Answer: 3

What is the standard form of TDRE?

1. Transmit Data Register Empty
2. Transmit Data Rate Empty
3. Transmit Data Register Enable
4. None of the above

✅ Correct Answer: 1

___________ is an example for data communication equipment

1. Modem
2. Computer
3. Terminal
4. none of the above

✅ Correct Answer: 1

What is the standard form of DTE?

1. Data Transfer Equipment
2. Data Terminal Equipment
3. Data Transmit Equipment
4. none of the above

✅ Correct Answer: 2

What is the standard form of RDRF?

1. Receiver Data Register Full
2. Receiver Data Rate Full
3. Register Data Receiver Full
4. none of the above

✅ Correct Answer: 1

____________ is an example for data terminal equipment

1. Terminal
2. Computer
3. Both A & B
4. none of the above

✅ Correct Answer: 3

What is the standard form of DCE?

1. Data Communication Equipment
2. Data Common Equipment
3. Data Control Unit Equipment
4. none of the above

✅ Correct Answer: 1

What are the advantages of UART?

1. Uses only two wires
2. Widely used method
3. Clock signal is not necessary
4. All of the above

✅ Correct Answer: 4

What is the standard form of RDR?

1. Receiver Data Register
2. Register Data Receiver
3. Register Data Receiver
4. Receiver Shift Register

✅ Correct Answer: 1

What are the disadvantages of UART?

1. Doesn’t support multiple slave
2. Data frame size is limited to a 9 bits max
3. Both a and b
4. None of the above

✅ Correct Answer: 3

What is the function of the UARTn_TXD signal?

1. Serial data transmit-receive
2. Clear to send handshaking signal
3. Both a and b
4. None of the above

✅ Correct Answer: 1

The transmitter section of an UART consists of __________

1. Transmitter shift register
2. Transmitter hold register
3. Both a and b
4. None of the above

✅ Correct Answer: 1

What is the standard form of RSR?

1. Receiver Data Register
2. Register Shift Receiver
3. Receive Shift Register
4. None of the above

✅ Correct Answer: 3

What is the standard form of RSR?

1. Receiver Data Register
2. Register Shift Receiver
3. Receive Shift Register
4. none of the above

✅ Correct Answer: 3

What is the function of UARTn_RTX?

1. Serial data receive
2. Clear to send handshaking signal
3. Both a and b
4. none of the above

✅ Correct Answer: 1

Which one of the following was used to enable or disable the interrupt request?

1. IER
2. IIR
3. Both A & B
4. All of the above

✅ Correct Answer: 1

Which one of the following is a write-only register?

1. FIFO control register
2. Interrupt identification register
3. Both a and b
4. None of the above

✅ Correct Answer: 1

What is the standard form of TDR?

1. Transport Data Register
2. Transmit Data Register
3. Transmit Data Receiver
4. None of the above

✅ Correct Answer: 2

Which one of the following is a divisor latch?

1. DLH
2. DLL
3. Both A & B
4. None of the above

✅ Correct Answer: 3

The baud rate of 8-bit UART is ___________ 1200bps

1. 1500bps
2. 1500bps
3. 9600bps
4. None of the above

✅ Correct Answer: 3

In 8-bit UART 1 byte is equal to ____________ bits

1. Two
2. Four
3. Eight
4. Sixteen

✅ Correct Answer: 3

The bits transferred per second is _______ in 8-bit UART

1. 1,000
2. 5,098
3. 8,192
4. 6,789

✅ Correct Answer: 3

The data in a UART is detected by __________

1. Counter
2. Clock
3. Both A & B
4. None of these

✅ Correct Answer: 2

What is the standard form of TSR?

1. Transmit Shift Register
2. Transport Status Register
3. Transmit Status Receiver
4. None of the above

✅ Correct Answer: 1

The baud rate of 16 bit UART is ___________

1. 1200bps
2. 1500bps
3. 9600bps
4. None of the above

✅ Correct Answer: 3

In 16-bit UART 1 byte is equal to ____________ bits

1. 2
2. 4
3. 8
4. 16

✅ Correct Answer: 4

The bits transferred per second is ______ in 16 bit UART

1. 12,898
2. 15,089
3. 96,230
4. 16,384

✅ Correct Answer: 4

Which register does UART contain?

1. Clock
2. Shift
3. Both A & B
4. none of the above

✅ Correct Answer: 2

What is the standard form of SCCR?

1. Serial Communication Control Register
2. Serial Communication Common Register
3. Serial Communication Register
4. none of the above

✅ Correct Answer: 1

_______ are the handshaking signals

1. RI, DCD, CTS
2. DSR, RTS
3. DTR
4. All of the above

✅ Correct Answer: 4

The MSP430 family operates in _________ mode

1. Synchronous
2. Asynchronous
3. Both a and b
4. none of the above

✅ Correct Answer: 3

What is the standard form of SCSR?

1. Serial Communication Serial Register
2. Serial Communication Status Register
3. Serial Communication Register
4. None of the above

✅ Correct Answer: 2

The speed of the UART is ________ compare to USART

1. Less
2. High
3. Very high
4. none of the above

✅ Correct Answer: 1

Which one of the following uses data signal for its functioning?

1. UART
2. USART
3. Both a and b
4. None

✅ Correct Answer: 1

In which one of the following the data is transmitted in the form of bytes?

1. UART
2. USART
3. Both A & B
4. None of the above

✅ Correct Answer: 1

What is the standard form of UDR?

1. UART Data Register
2. USART Data Register
3. USART Control Register
4. none of the above

✅ Correct Answer: 1

Which one of the following is an SPI register? All of the above

1. SPDR
2. SPCR
3. SPSR
4. All of the above

✅ Correct Answer: 4

The transmitter type of LIN is ____________

1. Synchronous
2. Asynchronous
3. Both a and b
4. None of the above

✅ Correct Answer: 2

The data rate of a UART is __________

1. 10Kbps
2. 20Kbps
3. 40Kbps
4. 50Kbps

✅ Correct Answer: 2

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