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Karo-lina-s [1.5K]
3 years ago
12

When you make a cell phone call, which type of electromagnetic wave is most likely transmitting the signal?

Computers and Technology
1 answer:
Olegator [25]3 years ago
6 0
They use Radio waves 
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The answer to your question is,

C. Address Block

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Discuss the various types of keys available on a computer keyboard.<br>No spam answer needs!❌❌​
olga nikolaevna [1]

Answer:• Alphanumeric keys – all of the letters and numbers on the keyboard. A-Z and 0-9.

• Punctuation keys – All of the keys associated with punctuation such as the comma,

period, semicolon, brackets, parenthesis and so on. Also, all of the mathematical

operators such as the plus sign, minus sign, and equal sign.

• Special keys – All of the other keys on the computer keyboard such as the function

keys, control keys, arrow keys, caps lock key, delete key, etc.

Special keys on a PC Keyboard

• Alt key – Short for Alternate, this key is like a second control key.

• Arrow Keys – Most keyboards have four arrow keys that enable you to move the

cursor (or insertion point) up, down, right, or left. Used in conjunction with the Shift

or Alt keys, the arrow keys can move the cursor more than one position at a time, but

this depends on which program is running.

• Backspace key – Deletes the character just to the left of the cursor (or insertion

point) and moves the cursor to that position.

• Caps Lock Key – A toggle key that, when activated, causes all alphabetic characters

to be uppercase.

• Ctrl key – Short for Control, this key is used in conjunction with other keys to

produce control characters. The meaning of each control character depends on which

program is running.

• Delete Key – Sometimes labeled Del, deletes the character at the current cursor

position, or the selected object, but does not move the cursor. For graphics-based

applications, the Delete key deleted the character to the right of the insertion point.

• Enter Key – Used to enter commands or to move the cursor to the beginning of the

next line. Sometimes labeled Return instead of Enter.

• Esc Key – Short for Escape, this key is used to send special codes to devices and to

exit (or escape) from programs and tasks.

• Function Keys – Special keys labeled F1 to F12. These keys have different meaning

depending on which program is running.

Explanation: use quillbot or wordtune to change the words

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3 years ago
People should never use telepresence when virtually meeting with a group of co-workers. True False
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False- it is very common for someone to use telepresence to meet with coworkers.
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3 years ago
Read 2 more answers
Which of the following class definition defines a legal abstract class Group of answer choices public class Rectangle abstract {
valkas [14]
<h2>Question</h2>

Which of the following class definition defines a legal abstract class Group of answer choices

(a)

public class Rectangle abstract {

   public abstract double findArea ( );

   

}

(b)

public abstract class Rectangle {

   public abstract double findArea ( );

   

}

(c)

public class Rectangle {

   public abstract double findArea ( );

   

}

(d)

public class abstract Rectangle {

   public abstract double findArea ( );

   

}

<h2>Answer:</h2>

(b)

public abstract class Rectangle {

   public abstract double findArea ( );

}

<h2>Explanation:</h2>

When a class is declared with the abstract keyword, the class is called an abstract class. Abstract classes cannot be instantiated and may include one or more abstract methods. If a class contains an abstract method, then it (the class) must be declared abstract.

In Java, abstract classes are defined using the following format:

<em>[access_modifier]</em> abstract class <em>[name_of_class]</em>

[access_modifier] specifies the access modifier of the class which could be public, private, e.t.c

abstract is the keyword that specifies that the class is an abstract class.

class is a keyword used for defining classes

name_of_class specifies the name of the class.

The only option that fulfils this format is <em>option b</em> where;

(i) The access modifier is public

(ii) The name of the class is Rectangle

Option a is not correct because the <em>abstract</em> keyword is supposed to come before the <em>class</em> keyword.

Option c is not correct because the keyword <em>abstract</em> is missing. In other words, the class must be declared abstract since it contains abstract method findArea();

Option d is not correct because the <em>abstract</em> keyword is supposed to come before the <em>class</em> keyword.

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3 years ago
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