UART/UART Mcq unit 1 Sample Test,Sample questions

Question:
 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


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

1. Even

2.Odd

3.Both A & B

4.none of the above


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

1.1,000

2. 5,098

3. 8,192

4.6,789


Question:
 The data rate of a UART is __________
 

1.10Kbps

2.20Kbps

3.40Kbps

4.50Kbps


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

1.Bit

2.Byte

3.Baud

4.none of the above


Question:
 The universal asynchronous receiver transmitter can be _____________
 
 

1.Simplex

2.Full-duplex

3.Half-duplex

4. All of the above


Question:
 What is the standard form of DTE?
 

1.Data Transfer Equipment

2.Data Terminal Equipment

3.Data Transmit Equipment

4.none of the above


Question:
 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


Question:
 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


Question:
 Which one is a type of UART flag?
 

1.TDRE

2. RSR

3. RDR

4.None of the above


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

1.SPDR

2.SPCR

3.SPSR

4.All of the above


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

1.UART

2.USART

3.Both a and b

4.None


Question:
How many wires does UART use?

1.One

2.two

3.Three

4.four


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

1.2

2.4

3.8

4.16


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

1.Two

2.Four

3.Eight

4.Sixteen


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

1.even

2.odd

3.Both A & B

4.none


Question:
The baud rate of 16 bit UART is ___________

1.1200bps

2.1500bps

3.9600bps

4.None of the above


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

 
 
 

1.1500bps

2.1500bps

3.9600bps

4. None of the above


Question:
The bits transferred per second is ______ in 16 bit UART
 
 
 

1.12,898

2.15,089

3.96,230

4.16,384


Question:
The data in a UART is detected by __________

1.Counter

2.Clock

3.Both A & B

4.None of these


Question:
The MSP430 family operates in _________ mode

1.Synchronous

2.Asynchronous

3.Both a and b

4.none of the above


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

1. Bit

2.Byte

3.Baud

4.None of the above


Question:
The speed of the UART is ________ compare to USART

1. Less

2.High

3.Very high

4.none of the above


Question:
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


Question:
The transmitter type of LIN is ____________
 
 
  

1.Synchronous

2.Asynchronous

3.Both a and b

4.None of the above


Question:
The UART frame consists of ___________ bits

1.Data

2.Start/stop

3.Parity

4.All the above


Question:
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


Question:
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


Question:
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


Question:
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


Question:
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


Question:
What is the standard form of RDR?
 
 
 

1.Receiver Data Register

2.Register Data Receiver

3.Register Data Receiver

4.Receiver Shift Register


Question:
What is the standard form of RSR?
 
 
  

1.Receiver Data Register

2.Register Shift Receiver

3.Receive Shift Register

4.None of the above


Question:
What is the standard form of RSR?
 
 
 

1.Receiver Data Register

2.Register Shift Receiver

3.Receive Shift Register

4.none of the above


Question:
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


Question:
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


Question:
What is the standard form of TDR?
    

1.Transport Data Register

2.Transmit Data Register

3.Transmit Data Receiver

4.None of the above


Question:
What is the standard form of TSR?
 
 
 

1.Transmit Shift Register

2.Transport Status Register

3.Transmit Status Receiver

4. None of the above


Question:
What is the standard form of UDR?

1. UART Data Register

2.USART Data Register

3. USART Control Register

4.none of the above


Question:
Which bit is used for error detection?

1.Data

2. Start/stop

3.Parity

4. All of the above


Question:
Which one is a type of UART register?
 
 
 

1.TDRE

2.RSR

3.SCSR

4.none of the above


Question:
Which one of the following is a divisor latch?

1. DLH

2.DLL

3.Both A & B

4.None of the above


Question:
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


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

1.Control

2.Receive

3.Transmit

4.Status


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

1.Control

2.Receive

3.Transmit

4.All of the above


Question:
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


Question:
Which register does UART contain?
 

1.Clock

2. Shift

3.Both A & B

4.none of the above


Question:
_______ are the handshaking signals

1.RI, DCD, CTS

2.DSR, RTS

3. DTR

4. All of the above


Question:
___________ are the UART registers

1. Control and status

2.Receive

3.Transmit

4. All of the above


Question:
___________ is an example for data communication equipment
 

1.Modem

2.Computer

3.Terminal

4.none of the above


Question:
____________ is an example for data terminal equipment
 

1.Terminal

2.Computer

3.Both A & B

4.none of the above


More MCQS

  1. UART Mcq unit 1
  2. UART Mcq unit 2
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