PDH Quiz – Basic Digital Circuits

1.	In a popular logic family what does TTL stand for?
		Transistor-Transformer Logic
		Transistor-Transistor Logic
		Transformer-Transformer Logic
		Transformer Testing Logic
2.	Gases and liquids exert a force on the sides of whatever container they are in. This force is known as ______________ ?
		Gravitational force
		Molecular force
		Pressure
		Surface tension
3.	The process of fixing problems in a logic circuit is called ___________ ?
		Correcting
		Testing
		Debugging
		Recreating
4.	_____________ is a useful tool for finding problems in digital logic circuits.
		Logic probe
		Logic chip
		Logic wire
		Logic pen
5.	Noise is never present in electrical systems
		True
		False
6.	Propagation delay is defined as a delay between a change in an input of a logic gate and a resulting change in the output of the gate.
		True
		False
7.	The effect of propagation delay on circuits is analyzed by means of ___________ ?
		Delay diagrams
		Timing diagrams
		Propagation diagrams
		Digital diagrams
8.	What are the basic types of Delays in Physical systems ______________ ?
		Pure delay and inertial delay
		Common delay and pure delay
		Inertial delay and time delay
		Common delay and time delay
9.	What is the actual range of output voltages from the following diagram?
		0.2V to 1.2V
		1.2V to 1.6V
		0.2V to 3.5V
		0V to 3.5V
10.	The five holes shown by the arrow in the following diagram are electrically connected ?
		True
		False

Basic Digital Circuits