The reciprocal of the time from the falling edge of one pulse to the falling edge of the next pulse is the
A) waveform. B) period. C) rise time. D) frequency.
Question 2
Supply voltage regulation of Vcc for commercial ICs must be ________.
A) 5 V plus or minus 5 B) 5 V plus or minus 10
C) 7 V plus or minus 10 D) 7 V plus or minus 5