Electronic systems: process devices

A 555 monostable is a _________ circuit.

• comparator

• counter

• logic gate

• timer

______ is the output pin of a 555 timer IC

• Pin 1

• Pin 2

• Pin 3

• Pin 4

A 4017 IC is a __________ process device.

• comparator

• counter

• logic gate

• timer

__________ circuit checks two input signals and produces an output signal showing which is larger

• 555 timer

• Comparator

• Decade counter

• OR gate

A logic gate produces a ______ signal

• analogue

• mains

• rectified

• digital

The time delay in a monostable is controlled by the resistor and capacitor values

• True

• False

Pins 7 and 6 are the trigger pins of a 555 timer IC

• True

• False

An operational amplifier usually has an inverting and a non-inverting input.

• True

• False

Decade counter circuits can sometimes be negatively affected by switch bounce.

• True

• False

Electronic timing and counting can only be achieved using non-programmable process devices.

• True

• False