SPI/SPI Protocol MCQs Unit 2 Sample Test,Sample questions

Question:
 If one CS/SS pin exists then multiple slaves are connected to master by ________ process?

1.Timing circuit

2.Clock Signal

3.Daisy-chaining

4.Cycling


Question:
 If slave devices are not selected then their MISO Signal becomes _______?
 High impedance
 
 

1. High impedance

2.Low impedance

3.Low impedance

4.none of these


Question:
 In SPI, master can ______ the next clock edge to slow the transfer rate.

1. Continues

2.Delay

3.Passes

4.Moves


Question:
 In ____________ state, the select line of slave is kept at high voltage level.

1. Transmitting

2.Idle

3.Continuous

4.Restart


Question:
 Slave is in operating state when master switches CS/SS pin to ____ voltage state.

1.High

2.Low

3.More

4.Fast


Question:
 Sometimes SPI uses other signals to send an _______signal inorder to host the CPU.

1.Interrupt

2.Timing

3.Clock

4.None of the above


Question:
 SPI has higher ________ than I2C or SMBus.

1.Flexibility

2.Bandwidth

3.Throughput

4.None of the above


Question:
 Using the Arduino SPI Library, the raising and falling edge is controlled by ___ function?

1.setClockDivider()

2.setBitOrder()

3.setDataMode()

4.setIn()


Question:
 Using the Arduino SPI Library, the speed is set by the ______ function?

1.sSetClockDivider()

2. setUp()

3.setDown()

4.setIn()


Question:
A Full duplex capability makes ______ protocol very simple for master/slave applications.

1.UART

2.USB

3.SPI

4.I2C


Question:
AVR Controllers are coded using a _____ Interface.

1.UART

2.USB

3.I2C

4.SPI


Question:
AVR Controllers are coded using a _____ Interface.

1.UART

2.USB

3.I2C

4.SPI


Question:
Clock phase in SPI are sampled on either the first or _____ number edge of the clock cycle.

1.First

2.Second

3.Both a and b

4.Last


Question:
Clock polarity in SPI are sampled on either rising or _____ type edge of the clock cycle.

1.Standing

2.Falling

3.Steady

4.Continuous


Question:
COPI stands for _______?

1.Clock from controller

2.Clock Out Pin in

3.Controller Out peripheral In

4.Controller In Peripheral Out


Question:
Daisy chain ype configuration requires _____ to gain a bank of I/P’s or O/P’s via SPI.

1.Actuators

2. Shift registers

3.Oscillators

4.ICs


Question:
Data transfer and receive done at same time via ____ lines.

1.MOSI

2.MISO

3.MSOI

4.Both a and b


Question:
Data transferred from master to slave is sent via _____ first.

1.LSB

2. MSB

3. USB

4. SPI


Question:
Data transferred from slave to master is sent with _____ first.

1.LSB

2.MSB

3.USB

4.SPI


Question:
Disadvantage of SPI is it allows only ____ number of master?
 
 

1.Single

2.Multiple

3.More

4. Null


Question:
Disadvantage of SPI is it requires____ number of wires?

1. Two

2.Four

3. Three

4.One


Question:
Error checking can’t be done using _____ protocol.

1.SPI

2. I2C

3.UART

4.IPC


Question:
If CPOL =1 and CPHA are 0, then the data is sampled at the main ____ edge of the clock.

1.Falling

2.Rising

3.Increase

4.High


Question:
If CPOL =1 and CPHA are 1, then the data is sampled at the drag ____ edge of the clock.

1.Falling

2.Rising

3.Decrease

4.Decrement


Question:
If CPOL and CPHA are 0, then the data is sampled at the main ____ edge of the clock.

1.Falling

2.Rising

3.Decrease

4.Decrement


Question:
In SPI which bits are absent?

1.Stop

2.Continues

3.Starts

4.Both a and c


Question:
Multiple slaves are connected to many master or single master which can be wired in ______ fashion?

1.Serial

2.Parallel

3.Hybrid

4. None of the above


Question:
QSPI stands for ___________?

1.Quality Serial Peripheral

2.Queued SPI

3.Quants SPI

4.Quantity SPI


Question:
Quad SPI, Dual SPI are variants of _____ mode of communication.

1.Full duplex Half duplex

2.Half duplex

3.Semi

4.None of the above


Question:
Signals in SPI are unidirectional which allows easy ______ isolation?

1.Galvanic

2.Thermometer

3.Thermistor

4.None of These


Question:
Signals in SPI are unidirectional which allows easy ______ isolation?

1.Galvanic

2.Thermometer

3.Thermistor

4.None of These


Question:
Slaves in SPI doesn’t require ______ type of address.

1.Complex

2.Simple

3.Unique

4.More easy


Question:
Slaves in SPI with master clock doesn’t require ______ type of oscillators.
 

1.Inaccuracy

2.Precision

3.Simple

4.Complex


Question:
SPI Communication always depends on ________, as it generates clock signals.

1.Slave

2.Clock

3.Master

4. Timer


Question:
SPI distance can be handled via transceivers like ______?

1.RS-232

2.RS-422

3. RS-109

4. RS-101


Question:
SPI has a higher data transfer rate than _____?

1.USB

2.USART

3.I2C

4. IPC


Question:
SPI has no _______ slave addressing system.

1.Complicated

2.Easy

3.Clarity

4.Moderate


Question:
SPI protocol ______ are tools which sample an SPI bus and decode the electrical signals.

1.Registers

2.Oscillators

3.Analyzers

4.Timers


Question:
SPI supports _____ peripherals.

1.Single

2.Multiple

3.Low

4.High


Question:
The clock signal in SPI is updated via properties of ______?

1.Clock Polarity

2.Timer

3.Interfacing

4.Master


Question:
There are similarities between SPI and _____ protocol.

1.FPGA

2.JTAG

3.PPI

4.I2C


Question:
Using the Arduino module, SPI is programmed using _____ commands?

1.ShiftIn()

2.SizeIn()

3.ShiftDown()

4.ShiftUp()


Question:
Using the Arduino SPI Library, the clock frequency which divides is ____ MHz.

1.11

2.12

3.16

4.14


Question:
Using the Arduino SPI Library, the data is sent by the ______ function?

1.setClockDivider()

2.setBitOrder()

3.setDown()

4.setIn()


Question:
When master sends data over MOSI line then which component _____ reads the bits as they received.

1.Master

2.Slave

3.Timer

4.Circuit


Question:
___ pins in multiple are available on the master side of SPI.

1.CS/SS

2.CC/SS

3.CS/CS

4.SS/CS


Question:
____ can be set by the master to access for bits to be the output.

1.Clock polarity

2.Timing signal

3.Synchronous

4.Asynchronous


Question:
______ are not necessary in SPI, unlike CAN bus.

1.Receivers

2.Transmitters

3.Oscillators

4.Transceivers


Question:
______ is not present on data received in SPI.

1.Acknowledgement

2.Distance

3.Correctness

4.Receipt


Question:
_______ are used in Independent slave configuration between power sources and chip selections?

1.Shift registers

2. Pull-up resistors

3.Thermistors

4.Oscillators


More MCQS

  1. SPI Protocol MCQs Unit 1
  2. SPI Protocol MCQs Unit 2
  3. SPI Protocol Question & Answers
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