🧪 SPI MCQ Quiz Hub

1. SPI stands for _____?
Serial Peripheral Interface
Side Peripheral Interface
Serial Parallel Interface
None of the above

2. A SPI pose ____ type of serial communication interface?
Synchronous
Asynchronous
Duplex
None of the above

3. A SPI is used for ____ length distance communication?
Short
Long
Medium
Zero

4. Who developed SPI interface?
Motorola
Samsung
LG
Intel

5. Which of the following is the typical application of SPI?
LCD
Secure digital cards
Embedded systems
All the above

6. LCD stands for ____?
Liquid Crystal Display
Liquid Crystal Diode
Light Crystal Display
None of the above

7. An SPI is ____ communication type BUS?
Serial
Full-duplex
Half-duplex
Both (a) and (b)

8. Which of the following are the components of SPI in full duplex mode?
Master
Slave
Both a and b
None of the above

9. How many master components does an SPI bus architecture has?
1
2
3
4

10. A SPI has ____ number of slave components?
1
2
3
Multiple

11. A master component in SPI architecture is also called ___?
Controller
Selector
Rotor
None of the above

12. __ is the terms used for picking up a particular slave in a SPI master and slave architecture?
Chip select
Slave select
Master select
Both a and b

13. SPI is alternatively called _____?
4-wire serial bus
3-wire serial bus
2-wire serial bus
All the above

14. SPI bus is different from ____ protocol?
SSI
SIP
TCP
IP

15. Which of the following are the properties of SSI protocol?
Variant signaling
Simplex communication
Zero delay
Both a and b

16. Which of the following is the quantity of a SSI protocols simplex communication?
1
2
3
4

17. How many logic signals does an SPI bus has?
1
2
3
4

18. SCLK in SPI bus architecture stands for ____?
Serial clock
Side clock
Silent clock
None of the above

19. SCLK is the data _____ in SPI bus architecture?
Output
Input
Both a and b
None of the above

20. From which of the following component SCLK receives input?
Master
Slave
Both a and b
None of the above

21. MOSI in SPI architecture stands for?
Master Out Slave In
Must Out Slave In
Master Out Side In
None of the above

22. MOSI has data ____ from master?
In
Out
Both a and b
None of the above

23. MISO stands for?
Master In Slave Out
Mute In Slave Out
Master In Side Out
None of the above

24. CS in SPI architecture stands for _____?
Chip select
Cut select
Chord select
All of the above

25. Which of the following are the control signals of MOSI?
SIMO, MTSR
SOMI, MRST
SDI, DI, DIN
both a and b

26. Which of the following are the control signals of MISO?
SOMI,MTSR
SDI, DI, DIN, SI
SDO, DO, DOUT, SO
All of the above

27. Which of the following are slave select pins in SPI?
SS,SS(bar)
CS, CS (bar)
CE
All of the above

28. Which of the following are chip select pins in SPI?
SS,SS(bar)
CS, CS (bar)
CE
All the above

29. When one device is used in SPI architecture which pin is set low?
SS
CE
CS (bar)
None of the above

30. SPI protocol is used in ___ field of engineering?
Embedded system
Digital system
Mechanical system
All of the above

31. Which of the following is the limitation in absence of protocol bus?
More complex
More power consumption
Difficult in design
All the above

32. Which of the following is the type of communication used in embedded system?
Serial
Parallel
Concurrent
Both a and b

33. Which of the following are serial communication type protocols?
UART
CAN
SPI
All of the above

34. Which of the following are the characteristic of serial communication protocol?
Greater speed
Less data loss
Less complex design
All of the above

35. ____ is also represents serial data?
Electrically coded
Mechanical arranged
Both a and b
None of the above

36. In which form electrically coded data is transferred in SPI?
Bit by Bit
Bulk
Parallel
Both a and b

37. Which of the following are the communication components of embedded systems?
Controllers
Sensors
Actuators
All of the above

38. In which of the following form digital data is converted before transmitting to microcontroller?
1 byte
8 bits
Binary word
All of the above

39. The serial type data in an embedded system is transmitted to its peripheral devices depending on ____?
Clock
Devices
BUS
Protocols

40. The serial type data in an embedded system is transmitted to its peripheral devices depending on ____?
Clock
Devices
BUS
Protocols

41. The rate of transmission is also called ____?
Baud rate
Speed rate
Accelerate rate
None of the above

42. What is the total size of transmitted data in bits/sec, when 12 bytes of data is transmitted?
90
96
99
100

43. SPI is a bit ______ than other protocols like USB, Ethernet.
High
Low
Slower
Faster

44. SPI bridges between MC’s and sensors where high amounts of high____ parameter data will not be transferred.
istance
speed
Time
Quantity

45. Bits communicated between devices is due to changes in ______ parameter?
Current
Voltage
Inductance
Resistance

46. ____ bit is communicated as a short type pulse of 0 volts.
2
1
0
None of the above

47. _____ Module uses SPI to communicate data with MC’s.
RFID card reader
Master card reader
Slave card reader
Parallel card reader

48. The number of slaves is limited by loads _______ property of the system.
Inductance
Capacitance
Resistance
Voltage

49. Speed of ______ which parameter is identified by frequency of clock signal.
Data receive
Data transfer
Receiving information
None of the above