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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