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22: Test Your Knowledge
_____ engineers and computer engineers are primarily responsible for developing computer hardware.
The theoretical study and practical application of computation is the focus of _____ science.
Electrical energy involves the _____ of electric charge along a conducting pathway.
True or False?
Wires used in electrical circuits are typically made of silicon.
A. True
B. False
What are the three main parts of a battery?
Ohm’s law defines the relationship among voltage, current, and _____ in an electrical circuit.
Electrical components that allow electrical current to pass through them in only one direction are called _____.
A. diodes
B. transistors
C. wires
D. capacitors
In photoelectric cells, the electric current produced depends on the amount of _____ to which the cells are exposed.
True or False?
In a series circuit, components are connected across common ends or nodes, providing multiple pathways for electrons to flow.
A. True
B. False
True or False?
Kirchhoff’s voltage law states that the sum of all voltage drops in a circuit is equal to the total applied voltage.
A. True
B. False
Which of the following statements about direct current is
false
?
A. The electrical charge flows in only one direction.
B. It powers most handheld electronic devices.
C. Batteries provide direct current.
D. It is used to transmit high-voltage electricity over long distances.
True or False?
Digital signals are easier to use in electronics than analog signals.
A. True
B. False
Digital circuits operate using discrete _____ values to convey information.
How does combinational logic differ from sequential logic?
A(n) _____ gate produces an output signal of 1 if only one input signal is 1.
A. OR
B. NAND
C. XOR
D. NOR
What are the four main hardware units in a computer system?
The 1s and 0s in binary code are used to represent _____, letters, and all other digital information, as well as computer commands.
What is the name of the binary coding system that assigns numerical values to characters so the computer can handle text?
What is an
algorithm
?
C++ is an example of a programming _____.
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