Answer:
war driving.
Explanation:
Data theft can be defined as a cyber attack which typically involves an unauthorized access to a user's data with the sole intention to use for fraudulent purposes or illegal operations. There are several methods used by cyber criminals or hackers to obtain user data and these includes DDOS attack, SQL injection, man in the middle, phishing, etc.
Generally, the two (2) essential privacy concerns in the field of cybersecurity are knowing how personal data are collected and essentially how they're used by the beneficiaries or end users.
War driving can be defined as a form of cyber attack which typically involves having eavesdroppers in a moving vehicle drive by buildings or park outside so as to avail them the opportunity of intercepting a wireless network traffic using a smartphone or laptop computer and illegitimately obtain sensitive user informations for further unauthorized use or to perform other fraudulent activities.
For each compound below, identify any polar covalent bonds and indicate the direction of the dipole moment using the symbols δ +and δ-.
(a) HBr
(b) HCI
(c) H2O
(d) CH40
Answer:
H-Br bond is polar, hydrogen is partly positive and bromine is partly negative
H-Cl bond is polar, hydrogen is partly positive and bromine is partly negative
O-H bond in water is polar, hydrogen is partly positive and oxygen is partly negative
C-O bond in CH40 is polar, carbon is partly positive and oxygen is partly negative
Explanation:
A molecule possess a dipole moment when there is a large difference in electro negativity between two bonding atoms in the molecule.
The presence of dipole moments introduces polarity to the molecule. In all the molecules listed in the answer, the shared electron pair of the bond is closer to the more electronegative atom causing it to be partially negative while the less electronegative atom in the bond is partially positive.
the derivative of
[tex]ln \: |x| [/tex]
is an odd function
True or False
Answer:
true
Explanation:
the derivative of lnx is 1/x and 1/x is and odd function because x^-1 is raise to a negative odd number
Answer:
jidjdjdjdkdjdjkdjdhdjurjrhrjdjdjdjdjddjjd
Explanation:
kkfjfjfjfjfjfjfjfjfjjfjfjffjjfjfjfjfjf sorry po
Please help me with this question
Answer:
2
Explanation:
evaluate the formula for n=2, then it says:
a₂ = 2a₁ - 3·2
So
a₂ = 2·4 - 3·2 = 8-6
a₂ = 2
in order to switch from paper to digital medical records the hospital bought in several individuals to introduce and implement the tools needed to organize the files . These individuals would best be described as
Available options are:
A. Technical champions
B. Engaged filmmakers
C. Business partners
D. Compliance champions
Answer:
Technical champions
Explanation:
Given that a "Technical Champion" is someone whose responsibility is to introduce and perform the role of enabling the use of technology, development of skills across the organization, and strengthen communication between Information Technology and the staff or employees.
Hence, in this case, considering the job descriptions described in the question above, these individuals would best be described as TECHNICAL CHAMPIONS
What is XOR and XNOR logic gates?
Answer:
There are two remaining gates of the primary electronics logic gates: XOR, which stands for Exclusive OR, and XNOR, which stands for Exclusive NOR. In an XOR gate, the output is HIGH if one, and only one, of the inputs is HIGH. ... An XNOR gate is an XOR gate whose output is inverted.
Explanation:
There are two remaining gates of the primary electronics logic gates: XOR, which stands for Exclusive OR, and XNOR, which stands for Exclusive NOR. In an XOR gate, the output is HIGH if one, and only one, of the inputs is HIGH. ... An XNOR gate is an XOR gate whose output is inverted..
Accessing disk is much slower than accessing memory. As a result, many file systems have been designed with various optimizations to improve performance. What is an example of file system performance optimization
Answer:
An example of file system performance optimization is Caching - i.e. keep in memory a collection of blocks that logically belong on the disk, for performance reasons.
Explanation:
Caching - i.e. keep in memory a collection of blocks that logically belong on the disk, for performance reasons.
The ultimate frequent method employed to decrease the duration of disk elucidated as a collection of books i.e similar kind that is preserved in invisible area.
Write a Java method that prints a list of characters using the following header:public static void printChars (char ch1, char ch2, int numPerLine)This method prints chars between ch1 and ch2 (inclusive); the number of chars per-line is specified by int variable numPerLine. Then write and test Java programs that printa) characters from 1 to Z (uppercase), ten chars per line; b) all lowercase letters followed by all uppercase letters, 13 per line (Hint: you may want to call the method printChars twice in this second part)Consecutive characters on the same line should be separated by exactly one space.
Answer:
The method and the test cases is as follows:
import java.util.*;
public class Main{
public static void printChars (char [tex]ch1[/tex], char [tex]ch2[/tex], int [tex]numPerLine[/tex]){
int count = 0;
for(char ch = ch1; ch<=ch2; ch++){
System.out.print(ch+" ");
count++;
if(count == numPerLine){
System.out.println();
count = 0; } }
System.out.println(); }
public static void main(String[] args) {
printChars('1','Z',10);
printChars('a','z',13);
printChars('A','Z',13);
}}
Explanation:
See attachment for complete source file where comments are used as explanation
Create a method called nicknames that passes an array as a parameter. Inside the method initialize it to hold 5 names of your choice. Use the for each enhanced loop to print the elements of the array.
//======METHOD DECLARATION=========//
//method name: nicknames
//method return type: void
//method parameter: an array reference
public static void nicknames(String [] names){
//initialize the array with 5 random names
names = new String[] {"John", "Doe", "Brian", "Loveth", "Chris"};
//using an enhanced for loop, print out the elements in the array
for(String n: names){
System.out.print(n + " ");
}
}
Explanation:
The program is written in Java. It contains comments explaining important parts of the code. Kindly go through these comments.
A few things to note.
i. Since the method does not return any value, its return type is void
ii. The method is made public so that it can be accessible anywhere in and out of the class the uses it.
iii. The method is made static since it will most probably be called in the static main method (at least for testing in this case)
iv. The method receives an array of type String as parameter since the names to be stored are of type String.
v. The format of initializing an array manually should follow as shown on line 7. The new keyword followed by the array type (String), followed by the square brackets ([]) are all important.
vi. An enhanced for loop (lines 9 - 11) is a shorthand way of writing a for loop. The format is as follows;
=> The keyword for
=> followed by an opening parenthesis
=> followed by the type of each of the elements in the array. Type String in this case.
=> followed by a variable name. This holds an element per cycle of the loop.
=> followed by a column
=> followed by the array
=> followed by the closing parenthesis.
=> followed by a pair of curly parentheses serving as a block containing the code to be executed in every cycle of the loop. In this case, the array elements, each held in turn by variable n, will be printed followed by a space.
A complete code and sample output for testing purposes are shown as follows:
==================================================
public class Tester{
//The main method
public static void main(String []args){
String [] names = new String[5];
nicknames(names);
}
//The nicknames method
public static void nicknames(String [] names){
names = new String[] {"John", "Doe", "Brian", "Loveth", "Chris"};
for(String n: names){
System.out.print(n + " ");
}
}
}
==================================================
Output:John Doe Brian Loveth Chris
NB: To run this program, copy the complete code, paste in an IDE or editor and save as Tester.java
spherevolume = (4.0 / 3.0) * pival * sphereradius * sphereradius * sphereradius ;
Answer:
The program in Python is as follows:
pival = 3.142
sphereradius = float(input("Radius: "))
spherevolume = [tex](4.0 / 3.0)[/tex] * [tex]pival[/tex] * sphereradius * [tex]sphereradius[/tex] * sphereradius
print(spherevolume)
Explanation:
The missing part of the program is to calculate the volume of a sphere.
The program in Python (in the answer section) is implemented using the already used variables.
Initialize pi
pival = 3.142
Get input for radius
sphereradius = float(input("Radius: "))
Calculate the volume
spherevolume = [tex](4.0 / 3.0)[/tex] * [tex]pival[/tex] * sphereradius * [tex]sphereradius[/tex] * sphereradius
Print the calculated volume
print(spherevolume)
Explain briefly the FIREWALLS
Answer:
Think of a firewall as your own personal security guard. The firewall will block unapproved websites from talking to your computer and will stop your computer from talking to unapproved/unnecessary websites. Hope this helps!
Explanation:
Exam Lesson Name: Introduction to Design Technology
Exam number. 700796RR
> Exam Guidelines
Exam Instructions
Question 8 of 20 :
Select the best answer for the question
8. Cycling through the design process to create several models that incrementally improve a solution is called what?
O A. Six Sigma
B. Success criteria
C. Just-in-time production
D. Iterative design
Mark for review (Will be highlighted on the review page)
Type here to search
O
Bi
S
Answer:
D. Iterative design
Explanation:
An iterative design can be defined as a cyclic process which typically involves prototyping, testing, evaluating or analyzing and refining of a product, so as to continually improve the product.
In an iterative design process, the following steps are adopted;
1. A prototype of the product is first created and tested by the manufacturer.
2. The product is then evaluated to check for any defect or flaw.
3. The defect or flaw is fixed through a refining process.
4. The previous steps are repeated incrementally until an improved version of the product is created.
Hence, cycling through the design process to create several models that incrementally improve a solution is called iterative design.
Answer:
Iterative Design
Explanation:
A. It seeks to figure what it defective
B. It reaffirms if all requirements are met to solve a problem
C. It's main goal was to avoid excess products that might not end up making sales in the near future
D. Making several revision on problems to take out an efficient solution
D makes the most sense here.
Which of the following statements about the relationship between hardware and software is true? a) Hardware can be present in intangible form. b) A flash drive is an example of software. c) Software and hardware can act independently of each other. d) Software consists of instructions that tell the hardware what to do.
Answer:
C
Explanation:
The statements about the relationship between hardware and software that is true is: D. Software consists of instructions that tell the hardware what to do.
A hardware can be defined as the physical components of an information technology (IT) system that can be seen and touched such as:
RouterSwitchKeyboardMonitorMouseConversely, a software refer to a set of executable codes (instructions) that is primarily used to instruct a computer hardware on how it should process data, perform a specific task or solve a particular problem.
In conclusion, a software consist of a set of executable codes (instructions) that tell a computer hardware what to do.
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Which of the following ribbon tools would be most efficient for applying multiple
changes to text formatting?
a. Font Dialog Box
b. Paragraph Styles
c. Styles Dialog Box
d. Find and Replace
Answer:
Option A, Font Dialog Box
Explanation:
In order to make changes in the text formatting, the font setting in the dialog box can be used on the Ribbon's Home tab.
From the font settings in Word 2016, one can change the following change font color, size, style etc.
Hence, option A is correct
what are the different steps while solving a problem using computer? explain
Explanation:
The following six steps must be followed to solve a problem using computer.
Problem Analysis.
Program Design - Algorithm, Flowchart and Pseudocode.
Coding.
Compilation and Execution.
Debugging and Testing.
Program Documentation.
If the code for JAVA is LCXC, what is the code for BASIC?
Answer:
DCUKE
Explanation:
Given that,
Code for JAVA = LCXC
To find,
Code for BASIC = ?
As we observe the pattern,
In "JAVA", every letter moved two-letter forward in their alphabetical order or we can say that every third alphabet of the given letter is used to make the code:
J + 2 = L
A + 2 = C
V + 2 = X
A + 2 = C
Similarly,
B + 2 = D
A + 2 = C
S + 2 = U
I + 2 = K
C + 2 = E
Thus, DCUKE is the code for BASIC.
The code for BASIC given the code for JAVA is; DCUKE
We are given the code for JAVA as LCXC
From that code for "JAVA", we see that every letter is moved forward two letters in their alphabetical order. This means
J = L because L comes after J and KA = C because C comes after A and BV = X because X comes after V and UA = C because C comes after A and BSimilarly for BASIC;
B = D because D comes after B and CA = C because C comes after A and BS = U because U comes after S and TI = K because K comes after I and JC = E because E comes after C and DThus, finally the code for BASIC is DCUKE
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what is a task that is not associated with loading existing data into a new ERP system.
A. Data mapping
B. Data cleanup
C. Data loading
D. Data reporting
Answer:
I believe the answer would be D. Data Reporting!
hope this helps! <3
Answer:
Correct Answer D:- DATA Reporting.
Explanation:
Data reporting is the collection and submission of data that leads to accurate ground-based analysis incorrect data reporting can lead to extremely informed decision-making using wrong evidence. Data reporting is not only about information but also about data collection.
The reporting of data may be an unbelievably difficult task. In order to achieve the job of counting every resident of a country, census bureaus can hire even hundreds of thousands of workers.
Data reporting is a step that translates raw information into information. It is not the data analysis that transforms data and information into insights. If data is not reported, the problem is known as underreporting the opposite is wrong.
Ryan would like to copy a list of contacts from a colleague into his personal address book. The list of contacts is
contained in a simple text file. What should he do first?
O Export from text to .pst.
Import directly from the text file.
O Format the text file with comma-separated values and save as CSV file type.
O Copy and paste the list into the address book.
Answer:
He should: Format the text file with comma-separated values and save as CSV file type. ]
Explanation:
hope this helps!
Answer:
c
Explanation:
Write a C++ program that reads a number and determines whether the number is positive, negative or zero using Switch operator method
Answer:
#include <iostream>
using namespace std;
template <typename T> int sgn(T val) {
return (T(0) < val) - (val < T(0));
}
int main()
{
cout << "Enter a number: ";
int number;
cin >> number;
switch (sgn(number)) {
case -1: cout << "The number is negative";
break;
case 0: cout << "The number is zero";
break;
case 1: cout << "The number is positive";
break;
}
}
Explanation:
You need the special sgn() function because a switch() statement can only choose from a list of discrete values (cases).
If your goal is for users to read information, create a web __________.
Answer:
Learn, I think hope this works?
Explanation:
Two hundred workstations and four servers on a single LAN are connected by a number of switches. You’re seeing an excessive number of broadcast packets throughout the LAN and want to decrease the effect this broadcast traffic has on your network. What steps must you take to achieve this goal?
Answer:
Add more servers or decrease the amount of workstations
To stop broadcast storms one can enable the use of Storm Detect feature that can help to disable a port if it is getting a lot of number of Broadcast or Multicast packets.
What is excess of broadcast storms?A broadcast storm is known to be a kind of bad or high number of broadcast packets that occurs in a little or short time frame.
Note that To stop broadcast storms one can enable the use of Storm Detect feature that can help to disable a port if it is getting a lot of number of Broadcast or Multicast packets.
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Please Help Me!!!!!!!!!!!!!
A commercial photographer would most likely be employed by which of the following?
A business
A magazine
A travel agency
All the above
Explanation:
a magazine cause it helps put out commercial
A primary key ensures that —- are unique ?
Answer:
To qualify as a primary key, it is the data within each column that must be unique, not simply the column names themselves. At the same time, no value in the columns can be blank or NULL. A primary key, therefore, is used to ensure the data in a specific column is unique.
Explanation:
hope it's help
Write a python program that will accept monthly salary amounts greater than zero but less
than or equal to 400,000.00 until the user enters the character ‘e’. After the user
enters the character ‘e’, calculate the net pay of all salaries by deducting income tax at
a rate of 25%, pension of 5% and housing contribution of 2% from each salary
entered. Additionally, print the number of salaries that were entered in the program
along with the number of salaries that exceed 300,000.00
Answer:
b=0
c=0
lol=list()
while True:
salary=input("Enter your salary: ")
if salary=="e" or salary=="E":
print("Thankyou!!")
break
else:
a=int(salary)
if a>=300000 and a<=400000:
c=c+1
if a<0 or a>400000:
print("Your salary is either too small or too big ")
if a>0 and a<=400000:
a=a-(25/100*a)-(5/100*a)-(2/100*a)
lol.append(a)
b=b+1
if a>=300000:
c=c+1
print(lol)
print("The number of salaries entered is: "+ str(b))
print("The number of salaries that exceeded 300000 is: "+str(c))
Which of the following is NOT one of the five things that work in all applications?
Select one:
Cut, Copy, and Paste
Sort
Undo and Redo
File Menu
Answer:
its either sort or file menu
Output each floating-point value with two digits after the decimal point, which can be achieved as follows:
print('{:.2f}'.format(your_value))
(1) Prompt the user to input a wall's height and width. Calculate and output the wall's area (integer). (Submit for 2 points).
Enter wall height (feet):
12
Enter wall width (feet):
15
Wall area: 180 square feet
(2) Extend to also calculate and output the amount of paint in gallons needed to paint the wall (floating point). Assume a gallon of paint covers 350 square feet. Store this value in a variable. Output the amount of paint needed using the %f conversion specifier. (Submit for 2 points, so 4 points total).
Enter wall height (feet):
12
Enter wall width (feet):
15
Wall area: 180 square feet
Paint needed: 0.51 gallons
(3) Extend to also calculate and output the number of 1 gallon cans needed to paint the wall. Hint: Use a math function to round up to the nearest gallon. (Submit for 2 points, so 6 points total).
Enter wall height (feet):
12
Enter wall width (feet):
15
Wall area: 180 square feet
Paint needed: 0.51 gallons
Cans needed: 1 can(s)
(4) Extend by prompting the user for a color they want to paint the walls. Calculate and output the total cost of the paint cans depending on which color is chosen. Hint: Use a dictionary to associate each paint color with its respective cost. Red paint costs $35 per gallon can, blue paint costs $25 per gallon can, and green paint costs $23 per gallon can. (Submit for 2 points, so 8 points total).
Enter wall height (feet):
12
Enter wall width (feet):
15
Wall area: 180 square feet
Paint needed: 0.51 gallons
Cans needed: 1 can(s)
Choose a color to paint the wall:
red
Cost of purchasing red paint: $35
1 import math
2
3 # Dictionary of paint colors and cost per gallon
4 paint_colors = {
5 'red': 35,
6 'blue': 25,
7 'green': 23
8 }
9
10 # FIXME (1): Prompt user to input wall's width
11 # Calculate and output wall area
12 wall_height = int(input('Enter wall height (feet):\n'))
13 print('Wall area:')
14
15 # FIXME (2): Calculate and output the amount of paint in gallons needed to paint the wall
16
17 # FIXME (3): Calculate and output the number of 1 gallon cans needed to paint the wall, rounded up to nearest integer
18
19 # FIXME (4): Calculate and output the total cost of paint can needed depending on color
20
Answer:
The modified program in Python is as follows:
import math
paint_colors = {'red': 35,'blue': 25,'green': 23}
wall_height = int(input('Enter wall height (feet):\n'))
wall_width = int(input('Enter wall width (feet):\n'))
area = wall_height*wall_width
print('Wall area:',area,'square feet')
paint_needed = area/350.0
print('Paint needed: {:.2f} gallons'.format(paint_needed))
print('Cans needed:',round(paint_needed),'can(s)')
color = input("Choose a color to paint the wall: ")
print("Cost of purchasing", color, "paint: $",paint_colors[color])
Explanation:
The italicized are given from the question [unchanged]
import math
paint_colors = {'red': 35,'blue': 25,'green': 23}
wall_height = int(input('Enter wall height (feet):\n'))
This gets input for width
wall_width = int(input('Enter wall width (feet):\n'))
Calculate the wall area
area = wall_height*wall_width
Print the calculated wall area
print('Wall area:',area,'square feet')
Calculate the amount of paint needed
paint_needed = area/350.0
Print the amount of paint needed to 2 decimal places
print('Paint needed: {:.2f} gallons'.format(paint_needed))
Print the amount of can needed to nearest integer
print('Cans needed:',round(paint_needed),'can(s)')
Prompt user for color of paint [here, we assume the user input is correct]
color = input("Choose a color to paint the wall: ")
Prints the corresponding amount for the color
print("Cost of purchasing", color, "paint: $",paint_colors[color])
Why are mobile apps often easier to develop than desktop apps?
mobile apps use a lower screen resolution
mobile apps can be created in C#
mobile apps use less memory than desktop apps
mobile app creation platforms are available that reduce the need to code
Answer:
Mobile app creation platforms are available that reduce the need to code.
Explanation:
Simple app creation softwares and tools are all over the place for mobile app creation. To create a mobile app, no coding knowledge or experience is needed unlike desktops apps that requires the knowledge of some coding languages like python, JavaScript etc.
The availability of these softwares and platforms have made mobile apps creation easy.
You trained a binary classifier model which gives very high accuracy on thetraining data, but much lower accuracy on validation data. The following maybe true:
a. This is an instance of overfitting.
b. This is an instance of underfitting.
c. The training was not well regularized.
d. The training and testing examples are sampled from different distributions.
Answer:
a. This is an instance of overfitting.
Explanation:
In data modeling and machine learning practice, data modeling begins with model training whereby the training data is used to train and fit a prediction model. When a trained model performs well on training data and has low accuracy on the test data, then we say say the model is overfitting. This means that the model is memorizing rather Than learning and hence, model fits the data too well, hence, making the model unable to perform well on the test or validation set. A model which underfits will fail to perform well on both the training and validation set.
Select the correct answer.
Which part connects the CPU to the other
internal parts of a computer?
O A.
ALU
OB.
bus
O c. control unit
OD.
memory unit
O E. register
Answer:
I believe the correct answer is B. bus
Explanation:
The bus is the internal part that connects CPU and other parts to the rest of the computer.
The part that connects the CPU to the other internal parts of a computer is the bus. The correct option is B.
What are the different parts of a computer?A motherboard, a central processor unit, a graphics processing unit, random access memory, and a hard disc or solid-state drive are the five fundamental components of every computer.
Every computer has 5 components, whether it is a high-end gaming system or a simple desktop system for kids. The CPU is the brain of your computer; it is responsible for all programming and computation. The motherboard, however, serves as the computer's brain, using circuits to link the CPU to other hardware components including memory, a hard drive, a CD/DVD drive, and all of your peripherals.
Therefore, the correct option is B. bus
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Wi-fi refers to a network that is based on the ____ standard
Answer:
Wi-fi refers to a network that is based on the 802.11 standard.
Answer:
It is based on the 802.11 standard
Explanation:
Web analytical packages can obtain the following information when someone visits a website, except Group of answer choices name and address of web visitors geographic location Internet connection type navigation source
Answer:
name and address of web visitors.
Explanation:
A website refers to the collective name used to describe series of web pages linked together with the same domain name.
Web analytical packages are software features that are typically used for tracking the identity of a computer system by placing or adding cookies to the computer when it's used to visit a particular website. Thus, it's only used for tracking the identity of a computer but not the computer users.
This ultimately implies that, web analytical packages can obtain the geographic location, Internet connection type, and navigation source information when someone visits a website, but it cannot obtain the name and address of web visitors or users.