True/False
Indicate whether the
statement is true or false.
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1.
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hardware ? equipment that makes up a
computer system
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2.
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pixel ? a sign that represents information such as
a command dirction or a warning
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3.
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physical transmission ? a transmission of a
signal using wires, cables or optical fibers
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4.
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code ? the smallest element of a disply
image
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5.
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computer ? a set of rules used to interpret signals
that convey information
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6.
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software ? equipment that makes up a computer
system
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7.
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cathod ray tude ? a tube that uses an
elctron beam to vreat a display on a phosphorescent screen
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8.
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modulate ? a set of rules used to interpret signals
that convey information
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9.
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optical fiber ? a continous wve that can be
modulated to send a signal
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10.
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Randon Access Memory (RAM) ? computer memory that
can not be erased
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11.
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carrier ? a continous wve that can be
modulated to send a signal
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12.
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signal ? a sign that represents information
such as a command dirction or a warning
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13.
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atmospheric transmission ? a transmission of a
signal using wires, cables or optical fibers
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14.
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digital signal ? a signal that can be
represented as a sequences of discrete values
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15.
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analog signal ? a signal corresponding to a
quantity whose values can change continuously
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16.
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Internet ? a continous wve that can be modulated to
send a signal
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17.
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operating system ? a hair thing transparetn strand
of glass or plastic that transmits signals using pulses of light
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18.
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telecommunication ? a communication method
that used electromagnetic means
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