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Tomtit [17]
3 years ago
12

Establishing a telephone call would be impossible without signaling. True or False

Computers and Technology
1 answer:
musickatia [10]3 years ago
6 0

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.

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Answer:

B. installApplication(‘A’, 1);

Explanation:

Given

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Required

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The function installApplication is declared as void, meaning that it is not expected to return anything.

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Option D is incorrect because both arguments are integer

Option C is incorrect because it passes no argument to the function.

Option A is incorrect because it receives an integer value from the function (and the function is not meant not to have a return value).

Option B is correct

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3 years ago
What does it mean when the lottery machine says function suppressed after scanning a ticket
WARRIOR [948]

When a machine  says function suppressed after scanning a ticket, it implies that you have won some certain amount.

<h3>What is lottery  wins?</h3>

This term connote that a person has  a winning ticket in a lottery that is often owned by a government.

Note that  if a winning ticket is scanned, the terminal often shows a message just for you and that suppress function implies  that your the ticket has won something.

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2 years ago
What is a correlation and how does it relate to inferential error?
riadik2000 [5.3K]
A correlation is a consistent relationship between two or more variables. It relates to our tendency to draw causation from mere correlation.
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4 years ago
An electric spreadsheet can perform all of the following tasks, except
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C. Plan worksheet objectives

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3 years ago
Insert XXX to output the student's ID. public class Student { private double myGPA; private int myID; public getID) { return myI
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Explanation:

The question above is missing many details and are actually various questions in one. I will answer each one seperately below...

A. The piece of code to get the ID in this code snippet that needs to replace XXX would be the following ... System.out.println("Student ID: " + s.getID());

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    Character grade = 'C';

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3 years ago
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