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2 years ago

Describe how the process of sampling, RGB pixels, and binary sequences work together to display a digital color image

Computers and Technology

1 answer:

Rina8888 [55]2 years ago

5 0

Explanation:

Sampling and RBG (red blue green) pixels and also the binary sequences working together such that it display any digitally colored image by allowing the computer system know where the Red Blue Green pixel is going to be placed and also what the opacity would be for that pixel. The combination of these components is what gives you a digital color image.

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Which statements describe the Sort List feature of Word? Check all that apply.

natulia [17]

Answer: It arranges text in a list alphabetically from A to Z.

Explanation: It's always easier and more systematic to arrange alphabetically. With numbers there is the possibility of infinity but not with alphabet which have a defined range.

7 0

2 years ago

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This question involves the creation of user names for an online system. A user name is created based on a user’s first and last

Evgen [1.6K]

Answer:

See explaination

Explanation:

import java.util.*;

class UserName{

ArrayList<String> possibleNames;

UserName(String firstName, String lastName){

if(this.isValidName(firstName) && this.isValidName(lastName)){

possibleNames = new ArrayList<String>();

for(int i=1;i<firstName.length()+1;i++){

possibleNames.add(lastName+firstName.substring(0,i));

}

}else{

System.out.println("firstName and lastName must contain letters only.");

}

public boolean isUsed(String name, String[] arr){

for(int i=0;i<arr.length;i++){

if(name.equals(arr[i]))

return true;

}

return false;

}

public void setAvailableUserNames(String[] usedNames){

String[] names = new String[this.possibleNames.size()];

names = this.possibleNames.toArray(names);

for(int i=0;i<usedNames.length;i++){

if(isUsed(usedNames[i],names)){

int index = this.possibleNames.indexOf(usedNames[i]);

this.possibleNames.remove(index);

names = new String[this.possibleNames.size()];

names = this.possibleNames.toArray(names);

}

public boolean isValidName(String str){

if(str.length()==0) return false;

for(int i=0;i<str.length();i++){

if(str.charAt(i)<'a'||str.charAt(i)>'z' && (str.charAt(i)<'A' || str.charAt(i)>'Z'))

return false;

}

return true;

}

public static void main(String[] args) {

UserName person1 = new UserName("john","smith");

System.out.println(person1.possibleNames);

String[] used = {"harta","hartm","harty"};

UserName person2 = new UserName("mary","hart");

System.out.println("possibleNames before removing: "+person2.possibleNames);

person2.setAvailableUserNames(used);

System.out.println("possibleNames after removing: "+person2.possibleNames);

}

8 0

2 years ago

Write a static generic method PairUtil.minmax that computes the minimum and maximum elements of an array of type T and returns a

Gnesinka [82]

Answer:

Explanation:

The following code is written in Java. It is hard to fully create the code without the rest of the needed code including the T class and the Measurable interface. Regardless the following code can be implemented if you have that code available.

public static T minmax(ArrayList<T> mylist) {

T min = new T();

T max = new T();

for (int x = 0; x < mylist.size(); x++) {

if (mylist.get(x) > max) {

max = mylist.get(x);

} else if (mylist.get(x) < min) {

min = mylist.get(x);

}

return (min, max);

}

5 0

2 years ago

Cardinality ratios often dictate the detailed design of a database. The cardinality ratio depends on the real-world meaning of t

Otrada [13]

Solution :

ENTITY 1 CARDINALITY RATIO ENTITY 2

1. Student 1 to many Social security card

A student may have more than one

social security card (legally with the

same unique social security number),

and every social security number belongs

to a unique.

2. Student Many to Many Teacher

Generally students are taught by many

teachers and a teacher teaches many students.

3.ClassRoom Many to Many Wall

Do not forget that the wall is usually

shared by adjacent rooms.

4. Country 1 to 1 Current President

Assuming a normal country under normal

circumstances having one president at a

time.

5. Course Many to Many TextBook

A course may have many textbooks and

text book may be prescribed for different

courses.

6. Item Many to Many Order

Assuming the same item can appear

in different orders.

7. Student Many to Many Class

One student may take several classes.

Every class usually has several students.

8. Class Many to 1 Instructor

Assuming that every class has a unique

instructor. In case instructors were allowed

to team teach, this will be many-many.

9. Instructor 1 to 1 Office

Assuming every instructor has only one

office and it is not shared. In case of offices

shared by 2 instructors, the relationship

will be 2-1. Conversely, if any instructor has a joint

appointment and offices in both departments,

then the relationship will be 1-2. In a very general

case, it may be many-many.

10. E-bay Auction item 1-Many E-bay bid

1 item has many bids and a bid is unique

to an item.

7 0

2 years ago

Kris, an IT manager at Park Infosystems, is handling four projects simultaneously. Each project has loaned and shared resources

Natalija [7]

Answer:

many-to-many relationship

Explanation:

They are different types of relationship between projects. A many-to-many relationship occurs when a row in a table associates with many related rows in another table. For example the relationship between an employee and a project, An employee can work on many projects and a project can have many employees working on it.

8 0

2 years ago

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