Arrays save space because all elements of an array are stored in a single memory location while a list of variables needs a separate location for each variable.

a. True
b. False

Answer:

The reasonable power will be "0.234 μW".

Explanation:

The given values are:

P = 15 μW

d = 175 m

As we know,

Propagation follows inverse cube power law, then

∴  [tex]Power \ \alpha \ \frac{1}{d^3}[/tex]

⇒ [tex]Power=\frac{K}{d^3}[/tex]

On substituting the estimated values, we get

⇒  [tex]15\times 10^{-6}=\frac{K}{(173)^3}[/tex]

⇒  [tex]K=15\times (175)^3\times 10^{-6}[/tex]

Now,

"P" at 0.7 km or 700 m from BS will be:

⇒  [tex]P=\frac{K}{d^3}[/tex]

⇒  [tex]P=\frac{15\times (175)^3\times 10^{-6}}{(700)^3}[/tex]

⇒  [tex]P=0.234 \ \mu W[/tex]

Answer:

HDD is old-school storage device that uses mechanical platters and a moving read/write head to access data.SSD is a newer, faster type of device that stores data on instantly-accessible memory chips..SSD is little expensive than HDD and gives better performance

Answer:

Differed performance level's

Ani need free points cus i have zero sry

Explanation:

Answer:

B. Amazon's create an account process

Explanation:

The Keystroke-Level Model (KLM) is a cognitive modeling tool which can be used in predicting the performances carried out by human on interface designs. It's the most "practical" of the GOMS methodologies.

This model tends to predict how long it will take for the completion of a routine task by an expert user. There should be no errors.

So, Option B is correct because GOMS/KLM is an evaluation tool which fits in the evaluation of Amazon's create an account process.

Answer:

Here is the complete member function:

void CablePlan::SetNumDays(int numDays) {   //member function of class CablePlan which take numDays as parameter

this->numDays = numDays;   // refers to the fields numDays of CablePlan  class using this keyword

return;  }

Explanation:

The complete program is:  

#include <iostream>  //to use input output functions

using namespace std; //to identify objects like cin cout

class CablePlan{  //class

public:  //public methods of class

void SetNumDays(int numDays); //method of class CablePlan that takes numDays as parameter to set the days

int GetNumDays() const;  // method of class CablePlan to get no of days

private:  //private data member of class CablePlan

int numDays;  //private data member of class CablePlan that holds no of days

};

// FIXME: Define SetNumDays() member function, using "this" implicit parameter.

void CablePlan::SetNumDays(int numDays) { /

this->numDays = numDays;     // used to refer to numDays variable of CablePlan class using this keyword

return;}  

int CablePlan::GetNumDays() const {  //define member function GetNumDays

return numDays;}  

int main() {  //start of main function

CablePlan house1Plan;  //creates object of CablePlan class

house1Plan.SetNumDays(30);  //uses object to call member function of  CablePlan passing value 30 to it in order to set no of days

cout << house1Plan.GetNumDays() << endl;  //uses object to call member function of  CablePlan to get the no of days (numDays)

return 0;}

Here this keyword is used to refer to the field i.e. numDays of CablePlan class. This distinguishes local member numDays  from parameter numDays using this with -> symbol.  

'this' pointer retrieves the object's numDays  which is hidden by the local variable numDays . The output of this program is:

30

Answer:

this.numDays = numDays;

Explanation:

You just need one line of code.  "this." to access the class member, and the "." is the member access operator.

Answer:

False

Explanation:

Namecoin is a type of crypto currency which was originally pronged from Bitcoin software. It is coded in the fashion of Bitcoin with the same algorithm as well. Hence it is not a blockchain technology that is used to implement decentralized version of Routing Banking System. Namecoin can store data within its own blockchain transaction database.

Answer:

c. 20

Explanation:

The program works as following:

x is initialized to 10

y is initialized to 30

if (x < 0) statement checks if the value of x is less than 0. This condition evaluates to false because x=10 so 10 is greater than 0. So the statement inside the body of this if condition will not execute. Hence the program control moves to the else if part:

else if (x < 10) statement checks if the value of x is less than 10. This condition evaluates to false because x=10 so x is equal to 10 and not less than 10. So the program control moves to the else part and the statement in else part executes:

else {

y = 20;

}

This statement in else part assigns the value 20 to y

Then the program control moves to the following statement:

cout << y;

This statement prints the value of y. As the else part assigns 20 to y so the output is:

20

Answer:

Following are the answer to this question:

Explanation:

A network adapter and network switches were also recommended because only 50 computer systems are accessible users could choose a router as well as two 24-port network cables. It could connect directly to a server or one computer with your router.  

It can attach some other machines to a switch.  If it is connected with the wireless router to the router so, it implies the ethernet port if you've had a landline installed two wireless networks throughout the location which can be easily accessed because the wired network will link all computers to all of it.

Switches could be managed or unmanaged unless circuits were also taken into account. It provides more implement strategies and remotely the controlled device can already be controlled as well as configured by the manager. In the CISCO and Dell controlled port devices, it also available for sustainabilty, that is used by the 24-port switches and for household or smaller networks, that's why we can upgrade it  

Answer:

Web Conferencing

Explanation:

When you collaborate or meet with people online, it is called a virtual meeting or collaboration.

They are meetings or collaborations done without the participants having to meet physically.

Instead, the participants meet via one or a combination of platforms specifically designed for such a purpose. These platforms include Discord,  Slack,  and so on.

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they are all eukaryotic cells

Answer:

they are all unicellular

Answer:

Two bits would be not enough.

Four bits would be enough.

Explanation:

With two bits, only 4 unique binary numbers are available. They are:

00

01

10

11

And since there are 5 lowercase vowel letters and 5 uppercase vowel letters in the English language, making a total of 10 vowel letters, two bits will only cater for 4 of the 10 letters and as such will not be enough.

With three bits, only 8 unique binary numbers are available. They are:

000

001

010

011

100

101

110

111

Three bits will therefore only cater for 8 of the 10 letters and as such will not be enough.

With four bits however, there are 16 binary numbers available. They are:

0000

0001

0010

0011

0100

0101

0110

0111

1000

1001

1010

1011

1100

1101

1110

1111

Four bits are more than enough to cater for all the 10 vowel letters in the English language.

PS: The number of unique binary numbers that can be found in n bits is given by;

2ⁿ

So;

If we have 3 bits, number of unique binary numbers will be

2³ = 8

If we have 6 bits, number of unique binary numbers will be

2⁶ = 64

Using bits concepts, it is found that two bits is not enough to assign a binary number to each vowel in the English language, as two bits can represent at most 4 symbols, and there are 5 vowels.

------------------------

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Answer:

Machine to machine communications

Explanation:

Machine to machine communication is a type of communication that exists among the technical devices. The communication is linked either with the help of wire or through wireless. The information is communicated and transmitted with this form of communication. Human involvement or intervention is not required during the transfer of data.

Answer:

  Unlike old vehicle odometers that will reach 999999 and stay there(though it is very unlikely to reach that figure) new vehicle odometers have the seventh digit reading and when it passes 999999 it would clock to 1000000.

     But in reality it is less likely for vehicles to reach the 999999 mark and most vehicle owners do not get to see their vehicles reach this mark as the vehicle will either be scrapped or abandoned before it gets to that million mile

Further, the ideal behind this million miles is due to the act of bad guys who tend to spin vehicle odometers to falsify their readings making it seem as though it has not gone a long mile.

The odometer reading of a modern vehicle resets to Zero, once it's maximum odometer reading is reached.

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Options :

The domain name is registered to someone else.

Domain names must end in ".com".

You are not the legal owner of ABC Company.

Domain names must be all in lowercase.

Answer:

The domain name is registered to someone else.

Explanation: In the scenario above, ABCcompany.org represents the domain name of a particular person or establishment which provides access to the website of the owner. The domain name given to an individual or website must be distinct, that is no two different organizations or persons can use exactly the same domain name. Domain names can end with :. com, org, ng and various other and they aren't case sensitive. Therefore, the inability to register the domain name abive will likely stem from the fact that the domain name has is already registered to someone else.

The domain of a website is the name of the website. The most likely reason why the domain cannot be registered is that, it has already been registered/taken by someone else.

There are several reasons why a domain cannot be registered.

The most important reason is that:

When a domain is taken, no other person can have access to that domain until its expiry (and not renewed). So, when a domain has been taken, you will not be able to register such domain.

Another reason is that:

Insufficient funds is another reason, if the domain is not a free domain.

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Answer:

the same as

Explanation:

Classified information is confidential information that a government deems to be protected.

There are certain penalties for the person if they ignore any protection measure for classified information when using social networking services and the penalties are the same as if someone uses other media and methods of dissemination.

Hence, the correct answer for the blanks is "the same as".

The penalties for ignoring the requirements for protecting classified information when using social networking services are the same as when using other media and methods of dissemination.

Penalties is the way of punishing an offender for doing wrong.

It is of necessity to ensure that all sensitive data are kept in a confidential manner as the  punishment for someone who  ignored   all the important condition  for protecting sensitive  data or information  are all the same as  when using the following:

•Social networking services

•Media such as Radio,Television

• Methods of dissemination such as Newspaper publication, Publishing in journal

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Answer:

[tex]Height = \frac{3}{4}\ unit[/tex]

[tex]Height = 3\ units[/tex]

Explanation:

Given

Shape: Parallelogram

[tex]Area = 18 unit^2[/tex]

[tex]Side\ 1 = 24 units[/tex]

[tex]Side\ 2 = 6 units[/tex]

Required

Determine possible heights of the parallelogram

Area of parallelogram is:

[tex]Area = Base * Height[/tex]

Make Height the subject of formula

[tex]Height = \frac{Area}{Base}[/tex]

When Base = 24 units;

[tex]Height = \frac{18}{24}[/tex]

[tex]Height = \frac{3}{4}\ unit[/tex]

When Base = 6 units;

[tex]Height = \frac{18}{6}[/tex]

[tex]Height = 3\ units[/tex]

When Base = 24 units

When Base = 6 units

Height: 3

Answer: D.) Discretionary access control

Explanation: Access control modes provides networks with a security system used for moderating, risk prevention and privacy maintainance of data and computing systems. Several access control modes exists depending on the degree of control required. In the discretionary access control approach, users are afforded the freedom and flexibility of making choices regarding permissions granted to programs. Hence, in this mode, permission are user-defined and as such sets privileges based on how the user deems fit.

Answer:

I would state that performance is not the main challenge of an atm, nor is multi-threading. Robustness and provable correctness is of greater importance, and those are much easier to achieve using a single-threaded solution.

Answer:

IP Address

Explanation:

At the Network layer, the IP address is used to identify the receiving host. It identifies the senders and receivers of data in a network.

IP Address is used to assign every node in a network which is used to identify them. Its two main purposes are 1. Address location 2. Identification of network interface.

Answer:

Apologize for the inconvenience and proceed with any necessary assistance.

Explanation:

Remember, the rules of business communication entails a friendly disposition to clients. We note here that George is a user or what we may client, and has an unresolved complaint.

Consequently, apollogizing to him may open him further into the details of the issue as you now work to resolve his complaints.

Answer and Explanation:

Technicians who travel constantly and are most likely working from remote locations would require information support that is ready and available as at when needed (24/7). The following would help them access technical information easily:

Internet knowledge based system: this could be like a encyclopedia for technicians where they could easily search up information they need for their work from anywhere.

Web-based system : this can help technicians ask or search for technical information online and also communicate and give out information to other technicians.

fax and email: a ready and available email support system and fax would boost information availability to technicians

Based on the information given, the system that should be implemented should be one where the information will be stored in a database.

Also, the system will have an application that the technicians will use to login into the system. It should also be noted that the system will be divided based on the technician's roles.

In this case, the technicians will have different access that they can use to get the data from the database.

Lastly, encryption should be used to secure the data.

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Answer:

2

Explanation:

hope this helps you! :)

The answers B which is Talking to customers more than listening!

PLS MARK AS BRAINLIEST

Answer:

Here is the JAVA program:    

import java.util.Scanner;

public class Operations{      

  public static void main(String[] args) {      

    Scanner input= new Scanner(System.in);

      float first,second;

      System.out.println("Enter first number:");

       first = input.nextFloat();

       System.out.println("Enter second number:");

       second = input.nextFloat();

       System.out.println("Enter 1 for Addition, 2 for Subtraction 3 for Multiplication, 4 for Division and 5 for Average:");

       int choice;

       choice = input.nextInt();

       switch (choice){

       case 1: //calls add method to perform addition

           System.out.println("Addition result = " + add(first,second));

           break;

       case 2: //calls sub method to perform subtraction

           System.out.println("Subtraction result = " + sub(first,second));

           break;      

       case 3: //calls mul method to perform multiplication

           System.out.println("Multiplication result = " +mul(first,second));

           break;

       case 4: //calls div method to perform division

           System.out.println("Division result = " +div(first,second));

           break;

       case 5: //calls average method to compute average

           System.out.println("Average = " +average(first,second));

           break;

       default: //if user enters anything other than the provided options

               System.out.println("Invalid Option"); }}

   public static float add(float first, float second)    {

       float result = first + second;

       if(result<0)

       {System.out.println("Oops option 1 is returning a negative number that is: ");      }        

       return result;    }

   public static float sub(float first, float second)    {

       float result = first - second;

       if(result<0){System.out.println("Oops option 2 is returning negative number that is: ");}        

       return result;    }

   public static float mul(float first, float second)    {

       float result = first*second;

        if(result<0)

        {System.out.println("Oops option 3 is returning negative number that is: ");}        

       return result;    }

   public static float div(float first, float second){

       if(second==0)

       {System.out.println("Division by 0");}

       float result = first/second;

        if(result<0){System.out.println("Oops option 4 is returning negative number that is: ");}      

       return result;    }    

   public static float average (float first,float second)    {

       Scanner inp= new Scanner(System.in);

       float first2,second2;

        System.out.println("Enter two more numbers:");

        System.out.println("Enter first number:");

       first2 = inp.nextInt();

      System.out.println("Enter second number:");

       second2 = inp.nextInt();

       float result;

       float sum = first+second+first2+second2;

       result = sum/4;

        if(result<0)

        {System.out.println("Oops option 5 is returning negative number that is: ");}        

       return result;  }}

Explanation:

The above program first prompts the user to enter two numbers. Here the data type of two number is float in order to accept floating numbers. The switch statement contains cases which execute according to the choice of user. The choice available to user is: 1,2,3,4 and 5

If the user selects 1 then the case 1 executes which calls the method add. The method add takes two numbers as parameters, adds the two numbers and returns the result of the addition. This result is displayed on output screen. However if the result of addition is a negative number then the message: "Oops option 1 is returning the negative number that is:" is displayed on the screen along with the negative answer of that addition.

If the user selects 2 then the case 2 executes which calls the method sub. The method works same as add but instead of addition, sub method takes two numbers as parameters, subtracts them and returns the result of the subtraction.

If the user selects 3 then the case 3 executes which calls the method mul. The method mul takes two numbers as parameters, multiplies them and returns the result of the multiplication.

If the user selects 4 then the case 4 executes which calls the method div. The method div takes two numbers as parameters and checks if the denominator i.e. second number is 0. If its 0 then Division by 0 message is displayed along with result i.e. infinity. If second number is not 0 then method divides the numbers and returns the result of the division.

If the user selects 5 then the case 5 executes which calls the method average. The average method then  asks the user to enter two more numbers first2 and second2 and takes the sum of all four numbers i.e. first, second, first2 and second2. Then the result of sum is divided by 4 to compute average. The method returns the average of these four numbers.

Answer:

D. Remote server public key

E. OCSP

Explanation:

Options D and E are correct because the above question states that its "verifying that a key is valid". This means that it didn't specify which key. Therefore, it sensible that the application wants to verify the validity of the remote host's key. So, in order to use OCSP to verify the validity of that key, that app actually needs the public key of the remote server.

Answer:

True

Explanation:

It is possible to organize a classroom environment to promote social interaction and minimize potential points of stress

Answer:

- Peripheral devices

Explanation:

Peripheral devices are defined as computer devices which are not the element of the essential/basic computer function. These devices can be internal as well as external and are primarily connected to the computer for entering or getting information from the computer. For example, the keyboards or mouse functions to enter data into the computer for processing and receiving information while the output devices like speakers, projectors, printers, etc. are used to get the information out of the computer.

Answer:

B

Explanation:

When the first time you save a document, the ''Save As screen'' will appear. Hence, the option (b) is correct.

Given that,

To find the screen appears the first time you save a document.

Now, When you save a document for the first time, the "Save As" screen typically appears, allowing you to choose the file name, location, and file format for the document.

This gives you the option to specify where and how the document should be saved on your device.

So, the correct option is,

b. Save As screen

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