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viktelen [127]
3 years ago
11

How is a digital representation of analog data a form of abstraction? Why is the quality of the photo, music, etc better when mo

re samples are taken? Music is an example of analog data. What other examples of analog data can you think of?
Computers and Technology
1 answer:
Alex3 years ago
7 0

Answer:

1. This is because non-essential parts of the analog data is cut of so as to represent the analog data digitally.

2. This is because it mirrors closely to the original analog material.

3. i. Temperature ii. Speed ii. Distance iv. Electric current

Explanation:

1. How is a digital representation of analog data a form of abstraction?

Digital representation of analog data is a form of abstraction because, since abstraction, which is the removal of non-essential parts of a material so as to reduce complexity, also non-essential parts of the analog data is cut of so as to represent the analog data digitally.

2.Why is the quality of the photo, music, etc better when more samples are taken?

The quality of these items is better because, as more samples are taken, it reduces the error in the sampling and the item(photo, music etc) mirrors closely to the original analog material.

3. What other examples of analog data can you think of?

i. Temperature ii. Speed ii. Distance iv. Electric current

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2Discuss the difference between overriding and overloading. (This is a very common interview question in programming)
nordsb [41]

Explanation:

Following are the difference between overriding and overloading

(1) Method overloading means method having same name but different parameter or method signature Whereas  Method overriding means method having same name and same parameter or signature.

(2) Method overloading is achieved the compile time Polymorphism whereas Method overriding is achieved the Run time Polymorphism .

(3 ) In method overriding child class have facility to provide a specific implementation of a method which is already defined by parent class method whereas there is no such facility is available in method overloading

(4 )Programming structure of method overloading

class test

{

 void fun()

{

// statement

}

void fun(int b)

{

// statement

}

}

In this fun() method name is same but different signature I.e void fun() and void fun(int a);  

Programming structure of method overriding  

class parent

{

  void fun()

{

// statement in parent class

}

}

class child extends test

{

void fun()

{

// override the statement in child class

}

}

In this fun() method have same name and same signature in both class  

7 0
3 years ago
What is the final value of the string output given the following code fragment? int counter = 0; int num = 0; string output = ""
swat32

int counter = 0;

int num = 0;

string output = "";

while (counter < 3) {

num = num * 1;

counter = counter + 1; }

output = Convert.ToString(num);

Output:

Counter = 0

num = 0 * 1 - - > num = 0

Counter = 1

num = 0 * 1 - - > num = 0

Counter = 2

num = 0 * 1 - - > num = 0

Counter = 3 (break)

num = 0

output = "0"

3 0
4 years ago
BUURTAIS
Alisiya [41]

Answer:

what I'm confused ???????

Explanation:

?

4 0
3 years ago
Finish the sentence. If the IP address and MAC address are parameters of layer 3 and layer 2, respectively, a port number is a p
stepan [7]

Answer:

Layer 4

Explanation:

MAC address works at the data link layer (layer 2) of the OSI model. Mac address allows computers to uniquely identify themselves in the network

IP Address is a logical address that works at the network layer of OSI model (layer 3) (actually the IP layer of TCP/IP model).

The port number works at the transport layer of the OSI model (layer 4).The port number uses sequence number to send segments to the correct application thereby ensuring they arrive in the correct order.

7 0
3 years ago
List 5 items you should keep in mind when developing an app:
Mrac [35]

Answer:

  1. Agree on aims concerning the application.
  2. Read your end users.
  3. Take your IT partners toward the conversations in the beginning.
  4. Program for various announcements.
  5. Choose the technology which you know and will be able to continue.

Explanation:

You should always keep the above five points while developing an app. You should keep your goals in mind that what kind of app you are going to develop and you are taking surveys from end users that what they want after some time in different cycles. Your team should discuss your project time by time about the progress of an app. Your project should be a long term and should almost cover all kind of users.



6 0
3 years ago
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