PLTW DE Unit 1 Key Terms

One style of integrated circuit package which resembles a centipede.  

Fraction of the total period that a digital waveform is in the HIGH state. 

A diagram, similar to a schematic, showing the connection of logic gates. 

The is an example of: 

The value of the resistor shown below is: 

CDS is the acronym for:  

A piece of test equipment used to view and measure a variety of different waveforms.  

A series of 1s and 0s plotted as a function of time

The instantaneous voltage of a waveform.  Often used to mean maximum amplitude or, peak to peak

Unit of frequency. One hertz equals one cycle per second. 

The amount of time required for one complete cycle of a periodic event or waveform. 

An electronic circuit having many components in a single package. 

An algebraic expression made up of Boolean variables and operators such as AND, OR and NOT

A logic gate that changes its input logic level to the opposite state. 

What is the letter C in the picture below representing?  

The number of cycles per unit time of a periodic waveform

A 555 timer is used to:

The IC that creates a digital signal from an DC battery

The '08' in the IC identification number of 74LS08N stands for: 

The part of a pulse where the logic level is in transition from a HIGH to a LOW. 

What four items must you have before sitting down to breadboard a circuit in my class?