Answers A+ Graded (2025)
What .type .of .signal .does .this .picture .show? .(Curved) .- .CORRECT .ANSWER-
Analog
A(n) .______________ .signal .is .formed .when .an .electric .current .is .repeatedly
.switched .off .and .on. .- .CORRECT .ANSWER-Digital
What .happens .to .signals .when .using .a .cell .phone? .- .CORRECT .ANSWER-
Signals .are .repeatedly .converted .from .analog .to .digital .and .from .digital .to
.analog.
_____________ .invented .the .incandescent .light .bulb. .- .CORRECT .ANSWER-
Thomas .Edison
In ._________, .the .first .ATM .was .developed. .- .CORRECT .ANSWER-1969
Electric .devices .take .electric .current .and .change .it .to .___. .- .CORRECT .ANSWER-
A .different .form .of .energy
By .________, .smartphones .were .widely .used .by .consumers. .- .CORRECT
.ANSWER-The .2010's
The .most .common .type .of .material .used .as .a .semiconductor .is .____________. .-
.CORRECT .ANSWER-Silicon
Electric .___ .use .electric .currents .to .function. .- .CORRECT .ANSWER-Devices
_____________ .coined .the .term ."electricity." .- .CORRECT .ANSWER-William
.Gilbert
What .type .of .signal .does .this .picture .show? .(rectangular) .- .CORRECT .ANSWER-
Digital
In .______________, .the .general-purpose .computer .was .created. .- .CORRECT
.ANSWER-1953