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Design and Technology
When describing integrated circuits (ICs), what do the letters DIL stand for?
Which of the following circuits will produce a constant on-off digital output?
Which of the following ICs is an operational amplifier (op-amp)?
What does a comparator do?
Identify the difference between two inputs.
Provide a pulsed output.
Invert and amplify the input signal.
Which of the following are inputs on an op-amp?
Clock, enable and reset
Inverting and non-inverting
Trigger, threshold and reset
What function is carried out by a 4017 IC?
What is the name of the period when the output from an astable circuit is off (low)?
The gain of an op-amp can be restricted by using which of the following?
Which formula is used to calculate the time constant of a monostable circuit?
1.1 x R1 x C1
0.7 x R1 x C1
0.7 x (R1 + R2) x C1
Which of the following statements is TRUE?
In a decade counter, the speed at which each output turns on is independent of any input signal.
In an op-amp, the inverting and non-inverting outputs are always different.
In the output signal from an astable circuit, the mark and space can be different.