IPC UNIT 10 QUIZ 3 (QUESTIONS & ANSWERS)
PASSED!!
What type of signal does this picture show? (Curved) Answer - Analog
A(n) ______________ signal is formed when an electric current is repeatedly
switched off and on. Answer - Digital
What happens to signals when using a cell phone? Answer - Signals are
repeatedly converted from analog to digital and from digital to analog.
_____________ invented the incandescent light bulb. Answer - Thomas Edison
In _________, the first ATM was developed. Answer - 1969
Electric devices take electric current and change it to ___. Answer - A different
form of energy
By ________, smartphones were widely used by consumers. Answer - The
2010's
The most common type of material used as a semiconductor is ____________.
Answer - Silicon
Electric ___ use electric currents to function. Answer - Devices
PASSED!!
What type of signal does this picture show? (Curved) Answer - Analog
A(n) ______________ signal is formed when an electric current is repeatedly
switched off and on. Answer - Digital
What happens to signals when using a cell phone? Answer - Signals are
repeatedly converted from analog to digital and from digital to analog.
_____________ invented the incandescent light bulb. Answer - Thomas Edison
In _________, the first ATM was developed. Answer - 1969
Electric devices take electric current and change it to ___. Answer - A different
form of energy
By ________, smartphones were widely used by consumers. Answer - The
2010's
The most common type of material used as a semiconductor is ____________.
Answer - Silicon
Electric ___ use electric currents to function. Answer - Devices
