NEED HELP WILL MARK BRAINLIEST AND 25 POINTS FOR ANSWER Which statement best describes a characteristic of a relational database?
It contains tables that are completely independent of one another.
It contains tables with fields that are associated with one another.
It is a feature that is primarily used to navigate databases.
It is a feature that is primarily used to add queries to tables.
The relational database has the characteristic feature of the adjoining of data with one another.
What is a relational database?The relational database is given as the interconnection of the data with the digital database management system.
The relational database is given with the characteristics of the adjoining of data tables and fields associated with one another. Thus, option B is correct.
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How to format each dictionary item as a text string in the input file. How to covert each input string into a dictionary item. How to format each item of your inverted dictionary as a text string in the output file.
Answer:
- To get the items of a dictionary and print them as a string, use the items() method to unpack the keys and values in a for and print or write them into a file.
for key, value in mydict.items():
print(f"{key}, {value}")
- To convert string from user input into dictionary;
mystring = input().split(" ") #assuming the words are separated by a space.
from word in mystring:
mydict[word] = mydict.get(word, 0) + 1
This would use the words in the string as the keys of the dictionary and the count of each word as the respective values.
Explanation:
A dictionary is a data structure in python used to store data in key-value pairs. The items are enclosed in curly braces and can be accessed with the key in dot or bracket notation.
Dictionaries in Python are used to represent data items in pairs; i.e. key and values
(a) Format items as strings in an input file
To do this we make use of the file manipulation.
Assume the dictionary name is given as: myDict
See attachment for the complete solution
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What will the output of the statements below? System.out.println(9%2); System.out.println(12%6); The output of the first statement is * The output of the second statement is
Answer:
You get Exact 30 print of that sentence on a comadore 64
Explanation:
Just simple basic science. hope this helps
Which of these devices collects the most information on network activity?
a. Intrusion detection systems.
b. System Event Management systems.
c. Firewalls.
d. Packet sniffers.
Answer:
The devices collects the most information on network activity are:
d. Packet sniffers.
Explanation:
Generally, a packet sniffer is a monitoring device which examines streams of data packets that flow between computers on a network and the larger Internet. One of the best packet sniffers is the Wireshark. As a packet sniffer, the Wireshark is also an analysis tool. It captures network traffic on local networks, storing the obtained data for offline analysis.
Brian has created the following selection sort class in Java. In which line is the index of the smallest value returned? In which line is the input array given as an argument?
public class SelectionSort{
private static int positionMin (int] vals, int startPosition) {
int minPosition startPosition;
for (int i startPosition; i
if (vals[i] vals[min Position]) {
minPosition = i;
return min
Position; private static void swap(int] vals, int firstPosition, int secondPosition) {
int temp; temp vals[firstPosition];
vals[firstPosition] vals[second Position];
vals[secondPosition] temp return public static void selSort(int| vals) {
int minPos for (int startPos 0; startPos< vals.length; startPos++){
minPos positionMin(vals,startPos); swap(vals,startPos, min Pos) ;
for (int i 0; i< vals.length; i++) { if(i
}else Jelse { System.out.println(vals[i]); } }; }
return; } }
Answer:
Explanation:
Since there are no line numbers in this question I will start counting from public class SelectionSort{ as line 1 and so on, as well as provide the code on that line.
The index of the smallest value is returned on line 8 where it says return min which shouldn't have any spaces and should be return minPosition;
The input array is given as an argument at the beginning of the function on line 2 where it says private static int positionMin (int] vals, int startPosition) {, as the variable vals.
This input array is also used as an argument on line 10 where it says Position; private static void swap(int] vals, int firstPosition, int secondPosition) and line 15 where it says vals[secondPosition] temp return public static void selSort(int| vals) {
what type of device is a projector ?
a. input
b. memory
c. output
d. storage
Answer:
output
Explanation:
if I'm wrong sorryyy
Answer:
Output
Explanation:
:D
The motherboard
allows the different parts of a computer to communicate
helps to keep things cool inside the tower
is the memory of the computer
is where the computer is plugged into an outlet in the wall
Answer:
a:(allows the different parts of a computer to communicate)
Explanation:
The motherboard is the main command center for the whole pc which recieves your inputs and responds by sending outputs...
The illegal copying of program
Answer:Software piracy
Explanation:
which of the following is not a type of operating system software?
a) windows b) linux
c)Macintosh d) Communications and organization
Answer:
the answer is communication abd organization
The option that is not a type of operating system software is called; D: Communications and organization
What are the types of Computer operating system?An operating system is defined as a type of software that manages the hardware and software of a computer as well as provision of common services.
The most popular Operating Systems for computers are Windows, Linux, Macintosh. Whereas, the popular types of operating systems for phones are iOS, Android, and Windows.
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Select all the correct answers. Which statement will print the output 10 + 20=30
a. System.out.println("10 + 20 =30" );
b. System.out.println(10 + 20 =30);
c. System.out.println(10 + 20 =""+ (10+20));
d. System.out.println("10 + 20" =10+20);
e. System.out.println(10 + 20 ="" +10 +20);
Answer:
a
Explanation:
b will print out a boolean, true, i think
c gives an error?? i think
d seems weird
e is weird too
anyway, b,c,d,e all have bad syntax
Answer:
a
Explanation:
What is the correct term for a piece of malware that hides inside a legitimate software program or file from trusted sources
Answer: Trojan horse
Explanation:
Based on the Greek legend of how Greek soldiers hid in a Trojan horse to infiltrate and destroy Troy from within, Trojan horse malware mirrors this attack when attacking software.
It hides inside and disguises itself as a legitimate software program or a file from a trusted source and then when clicked on, it works to infect the software.
. Else-if is good selection statement that help us to solve problems in C++,mostly times same problem of same nature can also be solved via switch statement. Which one you prefer to use and why?
Answer:
Else-If statements
Explanation:
Personally, I prefer using Else-If statements for conditional statements since you can start with and If statement and add to it if necessary. Aside from this, Else-If statements also allow you to add more than one condition to be met by using tags such as and or and not. Switch statements are better in scenarios where you have a set of possible inputs or results and need a specific event to happen for each input/result, but this is not as common of a scenario so Else-If is usually my go-to conditional statement.
Is a free verse a poetry that has no images
Which of the following variable names follows the rules for naming variables?
A. snack $
B. favorite_snack
C. lunch time
D. 15 minute snack
Write a program that asks the user how many names they have. (If they have a first name, two middle names, and a last name, for example, they would type 4.) Then, using a for loop, ask the user for each of their names. Finally, print their full name.
Answer:
The solution is implemented in python:
numnames = int(input("Number of Names: "))
nametitle = ["Surname: ","Firstname: ","Middlename: ","Middlename 2: "]
names = []
for i in range(numnames):
name = input(nametitle[i])
names.append(name)
print("Your fullname is: ",end=" ")
for i in names:
print(i,end=" ")
Explanation:
This prompts user for number of names
numnames = int(input("Number of Names: "))
This lists the name titles in a list
nametitle = ["Surname: ","Firstname: ","Middlename: ","Middlename 2: "]
This initializes an empty list
names = []
The following for loop get names from the user
for i in range(numnames):
name = input(nametitle[i])
names.append(name)
The following instructions print the user fullnames
print("Your fullname is: ",end=" ")
for i in names:
print(i,end=" ")
An example program in Python that asks the user for the number of names they have and then prompts them to enter each name.
It will then print their full name based on the names provided:
python
Copy code
num_names = int(input("How many names do you have? "))
names = []
for i in range(num_names):
name = input("Enter name {}: ".format(i + 1))
names.append(name)
full_name = " ".join(names)
print("Your full name is:", full_name)
In this program, we first ask the user to enter the number of names they have. The input is converted to an integer using int() since input() returns a string.
Then, we initialize an empty list names to store the names provided by the user.
Next, we use a for loop that iterates num_names times to ask the user for each name. The loop variable i starts from 0, so we add 1 to it when displaying the prompt using i + 1.
Inside the loop, we prompt the user to enter the name and append it to the names list. After the loop completes, we join all the names in the names list using the join() method with a space as the separator. This creates a single string representing the full name.
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A Task can be created in Outlook 2016 by clicking on the Tasks navigation item, or by
O clicking on the View tab.
O saving a contact.
O creating an appointment.
O flagging an email.
A Task can be created in Outlook 2016 by clicking on the Tasks navigation item, or by clicking on the View tab. Thus, option A is correct.
What is a Variable Expense?Business expenses can be classified as either fixed (invariable) or variable. A fixed expense does not change based on a business’s other activities. Costs like rent and administrative salaries are fixed costs, which remain the same no matter how much a business is producing. Imagine a factory that produces pencils — the cost of renting the factory building will remain the same, month after month, no matter how many pencils the company actually produces.
Variable expense ratio expresses variable expenses as a proportion of a company's sales. To calculate the variable expense ratio, simply divide the company's total variable expenses by the company's total net sales. To express the result as a percentage, simply multiply it by 100.
Therefore, A Task can be created in Outlook 2016 by clicking on the Tasks navigation item, or by clicking on the View tab. Thus, option A is correct.
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What are the three general methods for delivering content from a server to a client across a network
Answer:
Answered below.
Explanation:
The three general methods consist of unicasting, broadcasting and multicasting.
Casting implies the transfer of data from one computer (sender) to another (recipient).
Unicasting is the transfer of data from a single sender to a single recipient.
Broadcasting deals with the transfer of data from one sender to many recipients.
Multicasting defines the transfer of data from more than one sender to more than one recipients.
Choose the type of collection created with each assignment statement
____ collection A = {5:2}
Options: tuple, dictionary, list
____ collection B = (5,2)
Options: tuple, dictionary, list
____ collection C = [5,2]
Options: tuple, dictionary, list
Answer:
dictionary
tuple
list
Explanation:
Can you sort by reading the string in reverse in python?
Explanation:
# Let our string is brainlycom
Main = "brainlycom"
# First we will print the original string.
print("The original string : " + str(Main))
#Now Reverse Sort a String
Reverse_Sort= ''.join(sorted(Main, reverse=True))
print("String after reverse sorting : " + str(Reverse_Sort))
After running the above code you will get the result:
The original string : brainlycom
String after reverse sorting : yronmlicba
Write a list comprehension statement to generate a list of all pairs of odd posi
Answer:
Print([(a,b) for a in range(10) for b in range(10) if (a < b and a%2 == 1 and b%2 == 1)])
Explanation:
Here, we declared a range of value for a and b using a for loop and the range function. The values are the first 10 numeric digits. The we used the if statement to establish our constraints;
In other to ensure that ;
Lower digit is written first ; (a < b) ;
Only odd numbers are considered,
a%2 == 1 ; b%2 == 1 (remainder when a and b are divided by 2 is 1.
Both a and b are declared as a tuple in other to obtain a pair of odd values.
The _____ Tag surrounds all content that will be visible on your web page for all to users to see on that website.
Answer:
The body tag
Explanation:
HTML has several tags; however, the tag that handles the description in the question is the body tag.
It starts with the opening tag <body> and ends with closing tag </body>
i.e.
<body>
[Website content goes in here]
</body>
Any text, image, object etc. placed within this tag will be displayed in the website
Problem decomposition means
O Fixing the problem
O Solving the problem
O Breaking down tasks into smaller, manageable parts
0 None of the above
PLEASE HELPPPPPP
Answer: Breaking down tasks into smaller, manageable parts
Explanation:
The word decomposition means to break down so Problem decomposition means to break down the problem being faces into smaller parts with the reason being to be able to manage it better.
Some problems are simply too large to handle singularly because of the amount of resources that would have to be devoted. It would be better to break them down into smaller tasks that can then be be confronted one at a time with enough resources to solve them each.
draw internal architecture of computer
Answer:
If this is good, let me know in the comments and I'll draw it
Explanation:
Define a class named person that contains two instance variables of type string that stores the first name and last name of a person and appropriate accessor and mutator methods. Also create a method named displayDetails that outputs the details of a person
Answer:
Answered below
Explanation:
//Program is written using Java programming language.
Class Person {
private string firstName;
private string lastName;
void set firstName(string a){
firstName = a;
}
string getFirstName(){
return firstName;
}
void setLastname( string b){
lastName = b;
}
string getLastName( ){
return lastName;
}
void displayDetails( ) {
System.out.print(firstName);
System.out.print (lastName);
}
}
//Test program
Class Main{
public static void main(String args [] ){
Person person = new Person( )
person.setFirstName("Karen")
System.out.print(person.getFirstName)
person.displayDetails()
}
}
The ________ contains links to folders and files that Windows determines you access frequently or links that you have added.
Answer:
Quick access list
Explanation:
Normally in computers, quick access list is usually the first node in the navigation pane and it contains links to folders and files that you access frequently plus the ones that you add by yourself. Windows detects them.
please help
Write a method that takes 5 ints as parameters and returns the average value of the 5 ints as a double.
This method must be named average() and it must have 5 int parameters. This method must return a double.
Calling average(1, 5, 7, 4, 10) would return 5.4.
Answer:
Answered below
Explanation:
This solution is written in Kotlin programming language.
fun average (a: Int, b: Int, c: Int, d: Int, e: Int) : Double {
#variable to hold the addition of all parameters
var sum = a + b + c + d + e
#variable to hold the average of sum
var avg = sum / 5
return avg
}
#call the function to see how it works.
# this operation is done in the fun main()
var test: Double = average ( 5, 4, 7 , 3, 9)
print (test)
what security issues could result if a computer virus or malware modifies your host file in order to map a hostname to another IP address
Answer:
Man-in-the-middle attack
Explanation:
In this type of attack, the hacker uses the virus or malware to get and change his IP address and hostname to match the address and hostname of the target host computer. The allows the hacker to gain access to information sent to the target IP address first.
What is the volume of a rectangular prism with a length of 812 centimeters, width of 913 centimeters, and a height of 1225 centimeters?
Answer:
guys all you have to do is divide and multiply 812x913=741356
and this answer they give you going divide 741356. 1225
so easy guys let me in the comment
Explanation:
What are the two basic literary forms?
please help me
Match the technology with the appropriate task.
1. graphics software
2. word processor
3. CAD
4. laptop
5. GPS
Complete Question:
Match the technology with the appropriate task.
Column A
1. Graphics software
2. Word processor
3. CAD
4. Laptop
5. GPS
Column B
A. Create a company logo.
B. Get directions to a customer’s office.
C. Type a report.
D. Complete many types of tasks on a computer away from the office.
E. Design a building.
Answer:
1. A
2. C
3. E
4. D
5. B
Explanation:
1. Graphics software: it can be used to create a company logo. Some examples of software applications or programs are Adobe photoshop, Core-draw, illustrator etc.
2. Word processor: it is typically used for typing a text-based document. For instance, type a report. Some examples are notepad, Microsoft Word, etc.
3. CAD: design a building. CAD is an acronym for computer aided design used for designing the graphical representation of a building plan. An example is Auto-CAD.
4. Laptop: complete many types of tasks on a computer away from the office. A laptop is compact and movable, so it can be easily used in any location.
5. GPS: directions to a customer’s office. GPS is an acronym for global positioning system and it is typically used for locating points and directions of a place.
Answer:
1. A
2. C
3. E
4. D
5. B