Which is NOT part of a basic circuit?, Battery, Resistor, Wires, _________________ causes electricity to flow through a circuit., Voltage, Transmission, Resistance, Voltage relates to a difference in _____________________________., potential energy, kinetic energy, nuclear energy, What way does current flow from a battery?, From the positive side, From the negative side, From the middle, What way do electrons flow from a battery?, From the positive side, From the negative side, From the middle, Which is Ohm's Law?, Current = Resistance / Voltage, Voltage = Resistance / Current, Current = Voltage / Resistance, A current will flow better through, a cold object., a hot object., a neutral object., A current will flow better through, a wide wire., a narrow wire., a twisted wire., A current will flow better through, a long wire., a short wire., an opposite wire., How are potential energy and resistance related to each other?, They are directly related., They are randomly related., They are inversely related., What is the unit of measurement for resistance?, Ohms, Volts, Amps, What is the unit of measurement for voltage?, Ohms, Volts, Amps, What is the unit of measurement for current?, Ohms, Volts, Amps, In which circuit could one light be powered and one light not be powered?, A circuit with an open switch and closed switch., A series circuit with a closed switch., A parallel circuit with a closed switch., What is true of an analog signal?, It is a continuous recording of an event., It is a series of 1s and 0s., It can be more easily stored than digital., What is true of digital signals?, They record a continuous event., They use a series of 1s and 0s., They were used in early televisions., Around what year were computers invented?, 1920, 1960, 1940, Circuit boards, memory chips, and wires are examples of ____________________________., software, hardware, malware, Which is more affected by noise?, A satellite signal. , A digital signal., An analog signal., Information that is sent as a pattern in a controlled flow of current through a wired circuit is a/an __________________ signal. , electronic, electromagnetic, cellular, Which would be an example of a digital signal?, A temperature recording every 5 minutes., a videotape of a theater performance., A seismograph of an earthquake., Which is an example of an electromagnetic signal?, Morse code sent through wires., Microwave signals., A land-line rotary telephone., Which can be stored more easily?, Analog signals, Digital signals, A battery converts ____________________ energy into electrical energy., mechanical, thermal, chemical, What are small uniform shapes that are combined to make a larger image?, bytes, pixels, plates.

Chapter 8.7: Information Technology

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