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The following code was used to acknowledge a receive data register full (RDRF) interrupt. The flag RDRF is bit 5 in the SCISR1 register. Which explanation best describes this code? SCISR1 |= 0x20;

a) This software only makes the RDRF bit high. It is friendly.

b) This software only makes the RDRF bit low. It is friendly.

c) This software will make all flag bits high in the SCISR1 register. It is not friendly.

d) This software will make all flag bits low in the SCISR1 register. It is not friendly.

e) This will cause a compile error because the software can not set flag bits in the SCISR1 register.

f) This will cause a run-time crash because the software does not clear RDRF

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