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OLEGan [10]
3 years ago
5

Technology question.

Computers and Technology
1 answer:
Gnoma [55]3 years ago
5 0

You should select the text by clicking and holding the mouse at the beginning of the text and then dragging it to the end of the area you want to change. You can also use the arrow keys and hold shift, but this takes longer typically.

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A related database stores data in the form of______
avanturin [10]

Answer:

Lists.

Explanation:

A relational database stores data in the form of lists.

6 0
2 years ago
The remove() method in the Queue interface ________. Group of answer choices retrieves, but does not remove, the head of this qu
salantis [7]
<h2>Question:</h2>

The remove() method in the Queue interface ________.

A. retrieves, but does not remove, the head of this queue, returning null if this queue is empty

B. retrieves and removes the head of this queue, or null if this queue is empty

 

C. retrieves, but does not remove, the head of this queue, throwing an exception if this queue is empty

D. retrieves and removes the head of this queue and throws an exception if this queue is empty

<h2>Answer:</h2>

D. retrieves and removes the head of this queue and throws an exception if this queue is empty

<h2>Explanation:</h2>

In Java, the Queue interface is found in the java.util package and inherits from the Collection interface. It is used to store elements which are processed in the order in which they are inserted. This means that the first element will be processed first.

The Queue interface has many methods. Some of them are;

i. add(): allows elements to be added to the queue.

ii. remove(): retrieves and removes elements from the head of the queue. The head of the queue points to the first element of the queue. If the queue is empty, the remove() method throws an exception called the <em>NoSuchElementException</em>

<em />

iii. poll(): retrieves and removes the element at the head of the queue. Unlike the remove() method, if the queue is empty, a <em>null </em>is returned.

iv. peek(): retrieves but does not remove the element at the head of the queue. Just like the poll() method, a <em>null</em> is returned if the queue is empty.

7 0
2 years ago
We learned that an ideal multiple access protocol has FOUR desirable
Nataly [62]

Answer:

We learned that an ideal multiple access protocol has FOUR desirable

characteristics, describe them.

Explanation:

1.- Very experienced technology and easy to implement.

2.- Rigid resource management and unfit for variable traffic flows.

3.- Requires antenna duplexer for duplex transmission.

<u>Duplex</u> <em>is a term used in telecommunication to define a system that is capable of maintaining two-way communication, sending and receiving messages simultaneously. </em>

4.- Normally FDMA is combined with multiplexing FDD.

<u>FDMA</u> (acronym in English for Frequency Division Multiple Access) <em>is a multiplexing technique used in multiple communication protocols, both digital and analog, mainly radio frequency, and among them in mobile phones of GSM networks. </em>

<u>FDD</u> (Frequency Division Duplexing in English) <em>designates a duplex method in the environment of wireless telecommunications and over certain wired networks.</em>

4 0
3 years ago
Which of the following things would you access from the Program &amp; Courses page? Course descriptions Tutorial videos Account
Paraphin [41]

Course descriptions.

5 0
3 years ago
Carlos owns a hardware store. He currently is not using any software to track what he has in the store. In 1–2 sentences, descri
Tresset [83]

Carlos Should use a Security Camera to keep track of his physical hardware. Carlos can then use a computer to monitor the security cameras.

7 0
3 years ago
Read 2 more answers
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