Avr Microcontroller Test Online Exam Quiz
Avr Microcontroller Test GK Quiz. Question and Answers related to Avr Microcontroller Test. MCQ (Multiple Choice Questions with answers about Avr Microcontroller Test
The STOP condition is generated by a
Options
A : high to low change in the SDA line when the SCL is low
B : high to low change in the SDA line when the SCL is high
C : low to high change in the SDA line when the SCL is low
D : low to high change in the SDA line when the SCL is high
Which of the following is correct?
Options
A : I2C is a technique by which data is transmitted with the help of only eight pins
B : SDA is used to synchronize data transfer between two chips
C : TWI is another name for I2C
D : All of the mentioned
For receiving the acknowledgment
Options
A : SDA from the transmitter should be high
B : SDA from the transmitter should be low
C : SDA from receiver should be high
D : SDA from receiver should be low
What steps are followed to complete the data transfer?
Options
A : START condition, STOP condition
B : Address packet
C : One or more data packet
D : All of the mentioned
Which of the following is true about the I2C protocols?
Options
A : the data line cannot change when the clock line is high
B : the data line can change when the clock line is high
C : the clock line cannot change when the data line is high
D : the clock line can change when the data line is high
I2C is a connection oriented communication protocol.
Options
A : true
B : false
C : cant be said
D : depends on the conditions
I2C is ideal for short distances?
Options
A : true
B : false
C : cant be said
D : depends on the conditions
Which of the following is a register used for programming AVR’s I2C module?
Options
A : TWBR
B : TWCR
C : TWSR
D : All of the mentioned
Which bit is polled to know that whether the TWI is ready or not?
Options
A : TWWC
B : TWINT
C : TWEA
D : All of the mentioned
Is status flag important in multi master systems?
Options
A : yes
B : no
C : depends on the conditions
D : cant be said
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