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Answer:
Explanation:
A computer is a device that manipulates information, or data accrding to the instructions given to it and give us an output. It has the ability to store, retrieve, and process data.
Answer:
<u>a. The scientists must be careful of how many variables they include in their simulation so they do not cause further harm to the frogs.</u>
Explanation:
It is not statistically accurate to assume that the number of variables included in the simulation would cause further harm to the frogs because we need to <em>remember </em>that a simulation is simply a computerized imitation of a real situation, which is usually not totally alike with a real process.
So in no way from a statistical standpoint, does the scientists' decision on the number of variables causes direct harm to the frogs.
Answer: True.
Explanation:
When a user wants to make a phone call, he needs to inform to the called party, that he wants to call him.
The only way to do this, is setting up a connection between the two phones, which is started by the calling party informing to the phone switch which is directly connected to, that he wants to make a call, picking up the phone, which modifies his connection state, making him available for calling.
The switch then signals him (sending him an audible call tone) so he can send the digits that identify the called party.
When the destination switch identifies the called user, signals him also (sending in this case a ringing tone).
When he picks up his phone, answering the call, the connection is set up, and both people can talk each other.
Without all this signaling process, it would be completely impossible to set up the call.
