In an asynchronous data transfer

In an asynchronous data transfer _____.

 

the transmitter and receiver clock must be exactly the same all the time

 

the receiver clock must be exactly the same or multiple times the transmitter clock

 

it is not necessary to have a clock in the receiver

 

None of the above

 

2. Question : (TCO #5) Synchronization between data transmitter and receiver _____ data transfer.

 

is necessary in asynchronous

 

is necessary in synchronous

 

is necessary in both asynchronous and synchronous data transfer

 

is not necessary in both an asynchronous and synchronous

 

3. Question : (TCO #5) Which register is utilized in setting the baud rate in a SCI interface?

 

SCIBDH

 

SCI0CR2

 

SCI0BDL

 

Both A and C

 

4. Question : (TCO #5) To sample data at the falling edge of the clock when using SPI, _____.

 

CPA in SPICR1 must be 0

 

MSTR in SPICR1 must be 0

 

CPA in SPICR1 must be 1

 

MSTR in SPICR1 must be 1

 

5. Question : (TCO #5) A SPI master IC connects to slave IC with _____.

 

five wires

 

one wire

 

four wires

 

wireless

 

6. Question : (TCO #5) Communication between two modems through telephone lines is _____.

 

serial

 

parallel

 

digitalall the time

 

Both A and C

 

7. Question : (TCO #5) SPI implements a/an _____ protocol.

 

asynchronous

 

synchronous

 

parallel

 

TCP

 

8. Question : (TCO #5) In full-duplex data transfer, _____.

 

data transfer from the transmitter only

 

data bits transfer simultaneously in both directions

 

data bits transfer in both directions but not simultaneously

 

data bits transfer in a parallel bus

 

9. Question : (TCO #5) High voltage level in a TTL chip is _____.

 

12 volts

 

5 volts

 

-5 volts

 

-12 volts

 

10. Question : (TCO #5) USB utilizes _____.

 

a serial data transfer

 

a parallel data transfer

 

a mixed parallel/serial data transfer

 

a daisy chain to connect maximum of 10 devices

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