Hardware MCQ - 4

19. What is TWI?

A. Touch Controller Interface

B. Twisted wire interface

C. 2-wire intreface 

D. Trace width input

Ans: C 

TWI stands for Two-wire interface. This interface is similar to I2C interface. I2C devices like RTC can be used with TWI

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20. What is SIMD?

A. Single Instruction/Multiple Data 

B. Serial In/out to multiple devices

C. SMD in-line Machine Device

D. Small Inline MOS Device

Ans: A 

SIMD stands for Single Instruction/Multiple Data. Graphics cards use SIMD instructions to process graphics data

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21. ARM 7 has following stage pipeline

A. 2 stage pipeline

B. 1 stage oipeline

C. 3 stage pipeline 

D. 4 stage pipeline

Ans: C 

Fetch, Decode, Execute is used.

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