Microcontroller set 34

Que: 342. Each slave has its unique address.
a. TRUE
b. FALSE
c. can’t be said
d. depends on the conditions
Que: 343. Pull-up resistors Rp keep the lines at VCC when
a. all the drivers are active
b. none of the drivers are active
c. some the drivers are at sleep
d. none of the driver is at sleep
Que: 344. Rising edge on SDA while SCL is high denotes
a. start condition (S)
b. stop condition (P)
c. transfer in progress
d. none of the mentioned
Que: 345. Which of the following is an issue while programming I2C using software?
a. open-collector output
b. open-drain output
c. totem pole output
d. all of the mentioned
Que: 346. Which of the following is the slave to be addressed when a device acts as a master
a. UCB0I2COA
b. UCB0I2CSA
c. UCB0I2CIE
d. All of the mentioned
Que: 347. Is baud rate selected in I2C?
a. yes
b. no
c. can’t be said
d. depends on the conditions
Que: 348. How is I2C with USI different from I2C with USI_B?
a. there is only one common pin between the two devices
b. here in this case no synchronization is important
c. the outputs of SDA and SCL are open drain
d. none of the mentioned
Que: 349. UCB0RXIFG is set when
a. complete byte is acknowledged
b. complete byte is transmitted
c. complete byte is received
d. none of the mentioned
Que: 350. Asynchronous serial communication usually requires two wires for each direction plus a common ground.
a. TRUE
b. FALSE
c. can’t be said
d. depends on the conditions
Que: 351. In asynchronous mode of transmission, usually the data is sent along with the
a. the start bit
b. the stop bit
c. both of the mentioned
d. none of the mentioned
Que: 352. The _____ rate gives the frequency at which the bits are transmitted on the line.
a. bit rate
b. packet rate
c. baud rate
d. data rate
Que: 353. Baud rate is the reverse of the
a. baud time
b. baud period
c. bit time
d. bit period
Que: 354. Clock is transmitted in the asynchronous communication?
a. yes
b. no
c. can’t be said
d. depends on the conditions
Que: 355. A framing error occurs is the bit is
a. high
b. low
c. same
d. changed
Que: 356. What is the non return to zero format?
a. the bits are either high or low and have no gaps between them
b. the bits are either high or low and have gaps between them
c. the bits are high and have gaps between them
d. the bits are low and have no gaps between them
Que: 357. LSB is sent first in case of the non return to zero format.
a. TRUE
b. FALSE
c. can’t be said
d. depends on the conditions
Que: 358. Their are _______ clocks in the USCI_A.
a. 1
b. 2
c. 3
d. 4
Que: 359. BITCLK16 is the
a. sampling clock in the undersampling mode
b. sampling clock in the oversampling mode
c. quantising clock in the undersampling mode
d. quantising clock in the oversampling mode