Basic Electronics
Set of inputs and outputs in binary form is called
frequency table
binary table
truth table
10 table
truth table
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The number of electrons reaching the screen determines the screen’sA. size
B. brightness
C. frequency
D. amplitude
To display heartbeats, waveforms and measuring voltages we use
A. cystoscope
B. gastroscope
C. microscope
D. cathode-ray oscilloscope
The cathode rays carry
A. positive charge
B. neutral
C. negative charge
D. positrons
An alternating voltage varying between the maximum value of +5V and the minimum value of โ5V is
A. digital signal
B. analogue signal
C. Wi-Fi signal
D. current signal
For thermionic emission, the voltage applied should be of
A. 5 V
B. 7 V
C. 8 V
D. 6 V
NAND operation is simply AND operation followed by
A. OR
B. NOR
C. AND
D. NOT
NOT gate is also called
A. fusioner
B. diverter
C. convertor
D. inverter
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