An astable 555 timer is designed using the following external components: RA = 3.3 k?, RB= 10 k?, C = 400 pF. Calculate time LOW (tLO)

A) 1.75 ?sec B) 1.3 msec C) 7.6 ?sec D) 2.8 ?sec


D

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Two technicians are discussing the DC coupling setting on a DSO. Technician A says that the position allows both the DC and AC signals of the waveform to be displayed. Technician B says that this setting allows just the DC part of the waveform to be displayed. Which technician is correct?

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Convert 110011012 to its decimal equivalent using the sum-of-weights position method

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