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A material that only conducts electric current under certain conditions is a(n) a. conductor. b. insulator. c. semiconductor. d. vacuum tube.
Question|Asked by julie777
Asked 3/22/2016 12:14:42 PM
Updated 3/22/2016 1:19:30 PM
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Edited by jeifunk [3/22/2016 1:18:46 PM]
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User: A material that only conducts electric current under certain conditions is a(n) a. conductor. b. insulator. c. semiconductor. d. vacuum tube.

Weegy: A material that only conducts electric current under certain conditions is a SEMICONDUCTOR.



User: What is the process in which trace amounts of other elements are added to a material to make it a semiconductor? a. Doping c. Ionization b. Salting d. Conduction

Weegy: Doping is the process in which trace amounts of other elements are added to a material to make it a semiconductor.

selymi|Points 22143|

User: A computer mouse is an example of a(n) a. central processing unit. b. input device. c. output device. d. software.

Question|Asked by julie777
Asked 3/22/2016 12:14:42 PM
Updated 3/22/2016 1:19:30 PM
1 Answer/Comment
This answer has been confirmed as correct and helpful.
Edited by jeifunk [3/22/2016 1:18:46 PM]
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A computer mouse is an example of a input device.
Added 3/22/2016 1:19:30 PM
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Questions asked by julie777
What is the function of the modem?
Weegy: A modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. User: Computer programs, called software, are a. permanent components of the computer. b. part of a central processing unit. c. memory storage devices. d. detailed sets of instructions directing the computer to perform operations on stored information. Weegy: Computer programs, called software, are: detailed sets of instructions directing the computer to perform operations on stored information. (More)
Question|Asked by julie777
Expert Answered
Asked 3/22/2016 11:33:25 AM
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How does a digital signal differ from an analog signal?
Weegy: Ananalog or analogue signal is any continuous flow of signal for which the time varying feature (variable) of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal. [ For example, in an analog audio signal, the instantaneous voltageof the signal varies continuously with the pressureof the sound waves. It differs from a digital signal, in which a continuous quantity is represented by a discrete functionwhich can only take on one of a finite number of values. The term analog signal usually refers to electrical signals; however, mechanical, pneumatic, hydraulic, and other systems may also convey analog signals.Adigital signalis a physical signalthat is a representation of a sequence of discrete values (a quantified discrete-time signal), for example of an arbitrary bit stream, or of a digitized( sampledand analog-to-digital converted) analog signal. ] User: A CD, or compact disc, stores sound information as ____________________ signals. (More)
Question|Asked by julie777
Updated 5/27/2021 6:31:04 PM
1 Answer/Comment
A compact disk (CD) stores audio information as an analog signal.
Added 5/27/2021 6:31:04 PM
This answer has been confirmed as correct and helpful.
Supergiant stars a. form from red giants. c. form planetary nebulae. b. fuse hydrogen into carbon. d. form supernovas.
Weegy: Supergiant stars form supernovas. User: Not including the sun, the closest stars to Earth are a. 4.3 light-years away. c. 430 light-years away. b. 43 light-years away. d. 4300 light-years away. Weegy: Not including the sun, the closest stars to Earth are 4.3 light-years away. User: All stars a. reflect light from the sun. c. produce their own light. b. appear to wander off their star paths. d. All of the above. Weegy: All stars produce their own light. User: Most stars are at what point in their life cycles? a. supergiant c. main sequence b. giant d. white dwarf Weegy: Most of the stars in the Universe are in the MAIN SEQUENCE stage of their life cycle. User: A light-year is a unit of a. time. c. mass. b. distance. d. density. Weegy: A light-year is a unit of: DISTANCE. (More)
Question|Asked by julie777
Updated 3/22/2016 12:43:25 PM
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