Jeffery wants to locate reliable academic information on the effects of global warming and ways to conserve energy. What is the most efficient and effective search strategy to identify subject terms for a database search?a. He can look for common related subject terms in a dictionary, thesaurus or encyclopedia.b. He can look for relevant articles in the results list from a database search and scan the subject terms.c. He can use Google Scholar to retrieve relevant articles and find common related subject terms.

Answer:

Mouse

Explanation:

Input devices allow users to input something in the computer. For example keyboard allows users to type on the computer, or mouse allows users to click.

On the other hand output devices allow computers to output data. For example speakers allow us to hear the outputs of a computer.

Answer:

Confidentiality and availability- interruption, integrity - modification and fabrication.

Explanation:

Data on a network is provided with the three As in security, accountability, authentication and authorisation to promote the confidentiality and integrity of data on the network.

When a data is interrupted by a DOS attack, it is exposed to the attackers and the data transfer is interrupted. With this, the attacker can modify the existing data or fabricate a new data to sent to the network, crippling the integrity of the network data.

Final answer:

The principles of confidentiality, integrity, and availability in information security directly counter concerns over interruption, modification, and fabrication by ensuring data is properly secured against unauthorized access, changes, and creation of false data.

Explanation:

The concepts of confidentiality, integrity, and availability of data, often encapsulated by the acronym CIA, are fundamental principles in information security. These principles directly relate to concerns over interruption, modification, and fabrication in several ways. Confidentiality aligns with preventing unauthorized disclosure, ensuring that data is not seen or disclosed to unauthorized parties, akin to preventing interruption in access. Integrity involves safeguarding the accuracy and completeness of data, thereby preventing unauthorized modification. Availability ensures that data is accessible and usable upon demand by an authorized user, countering both interruption and modification that could render data inaccessible or corrupt.

Interruption can be seen as a threat to availability, as it involves disrupting access to or use of information or an information system. Modification and Fabrication, on the other hand, primarily undermine integrity; modification involves altering existing information, while fabrication entails generating false data. Both can lead to unauthorized changes and misrepresentation of data, impacting its reliability and trustworthiness.

Therefore, ensuring high levels of confidentiality, integrity, and availability (CIA) addresses these concerns directly. By protecting against unauthorized access (interruption), ensuring data accuracy and consistency (modification), and preventing the creation of false data (fabrication), one can uphold the principles of CIA in information security.

Answer:

Thus, the message given by TCP segments.

The message delivered by UDP is a datagram. The layer where protocol works is the transport layer. Transport layer header addresses in order to receive an application by a number called port number.

If the message is very large that cannot be transported over the network, then transmission control protocol (TCP) is used for dividing it into smaller messages called segments. The message in user datagram protocol (UDP) is known as a datagram.

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Answer:

it's beneficial to users since it access the data entered very easily and also cheap to access

it's harmful because many users tries to edit and format some data may take time and therefore not much reliable

Explanation:

therefore personal computers should be able to access data at high rate

it is  beneficial to users since it access the data entered very easily and also cheap to access.

it's harmful because many users tries to edit and format some data may take time and therefore not much reliable

An operating system (OS) is type of system software that manages and controls the computer hardware along with software resources, and provides most of the common services for many computer programs.

More than 90 percent of personal computers run a version of the Microsoft Windows operating system.

Situation is beneficial to users since it access the data entered very easily and also cheap to access.

Personal computers should be able to access data at high rate.

Situation is harmful because many users tries to edit and format some data may take time and therefore not much reliable.

Learn more about operating system.

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Answer:

I am writing a python program for this.  

  def deal3(input_list, index):  

   list = []    

   for x in range(len(input_list)):            

       if x != index:  

           list.append(input_list[x])  

   print('list ->',list)      

input_list = [10, 20, 30, 40, 50]  

index = 2

deal3(input_list, index)

Explanation:

Answer:

The solution code is written in Java.

Explanation:

A method getWinner() that take two parameters, user and computer, is written (Line 1 - 8). This method presumes that there is a global variable, status. This status variable holds the value that will decide if method should return either user or computer name as winner (Line 3, 5).

Line 10 shows a statement that implement the getWinner() method.

Answer:

The translator is the software that is called to translate the statement written by the developer and the result of the process is machine code which can be understood by the computer system.

Explanation:

Answer:

When hacks are discussed with Mr. Holman on video than their vulnerability being exploited

Explanation:

When hacks have given suggestions to  Mr. Holman in his video on favorite search engine there is hundred percent vulnerability is there. Better to avoid the suggestion and make sure not to use the link or any software is been installed. Once end-user click on software or link his or her computer or laptop or PC is hacked and his or her data is exposed to hackers. Once the data is hackers there is steal on data such as video or pictures are exposed and hackers can misuse.

Final answer:

Hackers exploit vulnerabilities using tactics like phishing, malware, and social engineering to steal sensitive data. The stolen data is used for financial gain or identity theft. Reducing hacking requires updates, security measures, and user education.

Explanation:

When evaluating the techniques that hackers use to compromise systems, one common method is by exploiting various vulnerabilities. Hackers might target vulnerabilities within software, such as outdated systems, unpatched flaws, or configuration errors.

They deploy tactics such as phishing, malware, and social engineering to trick users into giving up sensitive information or to gain unauthorized access to systems.

Among the reasons hackers engage in these activities are to steal personal data, financial information, or intellectual property. The stolen data can be used for financial gain, identity theft, or even to gain a competitive advantage.

Hackers are often quite successful due to the sophistication of their tactics and the general lack of awareness and preparedness among users. To reduce or stop hacking, it is essential to consistently update systems, implement security measures like firewalls and antiviruses, and educate users on best practices for cyber hygiene.

To output the product and average of four floating-point numbers as integers and as floating-point values, use a string formatting expression with specifiers '%d' for integers and '%f' for floating-point values.

To calculate the product and average of four floating-point numbers and output them as integers (rounded) and as floating-point numbers, you can use the following string formatting expression:

Replace float1, float2, float3, and float4 with your actual floating-point numbers. The '%d' specifier will round the output to the nearest integer, and '%f' will display the number as a floating-point value.

Answer:

Program development is basically a step wise process to solve a particular problem. It basically refers to the coding of a program. This initial steps involves defining the problem statement, specifying the requirements and specifying what the output of the program should be. Program development also includes visually presenting what of the program for example in the form of flowchart. It also involves coding, the set of instructions, procedures, functions, sub routines that a computer should carry out to get the desired output. Also the bugs and errors are removed by debugging the program. Program execution refers to execute or run the set of instructions of a program. The program or machine code is loaded to the memory prior to execution and then executed. For example in JAVA the source code if first converted to bytecode and then in machine code in order to be executed.

Developing and Executing JAVA programs involves typing program using some editor (editing), compiling the program (converting to bytecode), loading program to memory prior to execution, verifying bytecode and executing the program.

In JAVA,  Java Development Kit (JDK) is used for JAVA program development and JAVA applications development. It involves an Integrated Development Environment (IDE) which serves as a platform for writing the JAVA code.

Java Runtime Environment JRE is used to JAVA program execution and provides a platform or environment to run the JAVA applications. JRE consists of class libraries, user interface toolkit, class loader and JAVA Virtual Machine JVM .

The class loader loads the required class libraries. JVM works as an interpreter for running the JAVA program line-by-line. This interpreter executes the Byte Code .

Answer:

Desired C++ Program with proper comment is given below

Explanation:

#include<iostream>

using namespace std;

//main function

int main()

{

  int totalMiles = 0;

  int remainingMiles = 0;

  double amt = 0;

  //taking input from user regarind total miles

  cout<<"Enter the total miles: "<<endl;

  cin>>totalMiles;

  //if-else condition to do the calculation

  if(totalMiles<=100)

  {

      amt = totalMiles*.25;

  }

  else

  {

      remainingMiles = totalMiles - 100;

      amt = 100*.25 + remainingMiles*.15;      

  }

  cout<<"The total amount is: "<<amt<<endl;

}

Answer:

C. use GZIP compression to export the data

Explanation:

GZIP compression is used to improve transfer speed trough network.

GZIP compression enables smaller file sizes, which leads extracting faster.

GZIP compression is also used for server-side webpages, so that the webpage is uploaded faster.

Once data is compressed with GZIP, it is decompressed by the same application after transmission.

Answer:

The syntax are different.

Explanation:

Graphic user interface is a computer system interface that uses graphics of images to represent and activate or run applications and other activities in the device. The command line interface is text format interface that accepts typed commands to execute a task.

Programming both interface requires high level of program skills, with knowledge in algorithms and programming language like C, C++ etc. The syntax in GUI is more complex and different from the command line interface.

Answer:

C++

Explanation:

using namespace std;

class AbstractClass {

public:  

   virtual bool checkUpperCase(string inputString);

   virtual string lowerToUppercase(string inputString);

   virtual void stringToInt(string inputString);

};

class ConcreteClass: public AbstractClass {

public:

   bool checkUpperCase(string inputString) {

       bool isUpper = false;

       for (int i=0; i < strlen(inputString);  i++) {

           if (isupper(inputString[i])) {

               isUpper = true;

               break;

           }

       return isUpper;

      }

   string lowerToUppercase(string inputString) {

       for (int i=0; i < strlen(inputString);  i++) {

           putchar(toupper(inputString[i]));

       }

       return inputString;

   }

   void stringToInt(string inputString) {

       int convertedInteger = stoi(inputString);

       convertedInteger+=10;

       cout<<convertedInteger<<endl;

   }

};

int main() {

   ConcreteClass cc;

   return 0;

}

Answer:

Third Generation Computers

Explanation:

Third-generation languages use symbols and commands to help programmers tell the computer what to do.

Third-generation language. Also known as a "3GL," it refers to a high-level programming language such as FORTRAN, COBOL, BASIC, Pascal, and C. It is a step above assembly language and a step below a fourth-generation language (4GL).

In this exercise we have to use the knowledge of excel to explain some functions that can be used, as:

In excel cell a division formula can be written as: =(A4+B4+C4+D4+E4)/5

Tip: To divide numerical values, use the "/" operator, as there is no DIVIDE function in Excel. For example, to divide 5 by 2, type =5/2 in a cell, which returns 2.5.

Not necessarily, we need the division to always be in numbers, they can be from cells. Just click on the cells and then do your division.

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Answer:

# User is prompted to enter the number of floor in hotel

# The received value is assigned to no_of_floor

no_of_floor = int(input("Enter the number of floor in the hotel."))

# This loop is to enforce that user input is not less than 1

while (no_of_floor < 1):

   no_of_floor = int(input("Enter the number of floor in the hotel."))

# counter variable is initialized to loop through the no_of_floor

counter = 1

# total number of rooms occupied in the hotel is initialized to 0

total_occupied = 0

# total number of rooms vacant in the hotel is initialized to 0

total_vacant = 0

# total number of rooms in the hotel is initialized to 0

total_room = 0

# loop through each floor

while counter <= no_of_floor:

   # number of room in a floor is received from user

   number_of_room = int(input("Enter the number of room in floor: "))

   # this loop ensure that the number must not be less than 10

   while (number_of_room < 10):

       number_of_room = int(input("Enter the number of room in floor "))

   # number of occupied room is a floor is accepted from user

   number_of_occupied = int(input("Enter the number of occupied room."))

   # this loop ensure that the no_of_occupied is less than no_of_room

   while (number_of_occupied > number_of_room):    

       number_of_occupied = int(input("Enter the number of occupied room."))

   # number of vacant room in a floor is calculated

   floor_vacant = number_of_room - number_of_occupied

   # total number of occupied room is calculated

   total_occupied += number_of_occupied

   # total room in the hotel is calculated

   total_room += number_of_room

   # total number of vacant room is calculated

   total_vacant += floor_vacant

   # the counter is increment to move to the next floor

   counter += 1

# occupancy_rate is calculated as a percentage

occupancy_rate = (total_occupied / total_room) * 100

# Number of total room is displayed

print("The total number of room in the hotel is: ", total_room)    

# Number of total vacant room is displayed

print("The number of vacant room in the hotel is: ", total_vacant)

# Number of total occupied room is displayed

print("The total number of occupied room in the hotel is: ", total_occupied)

# The occupancy rate for the hotel is displayed to 2 decimal

#  place percent

print("The occupancy rate for the hotel is: {:.2f}%".format(occupancy_rate))

Explanation:

The program is well commented. It put all the constraint into consideration like:

Answer:

The cpp program for the scenario is given below.

#include <iostream>

using namespace std;

int main() {

// number of odd numbers to be printed

int n;

// variable to keep count of odd numbers

int odd=1;

// variable to print odd numbers

int j=1;

// user is prompted to enter number of odd numbers to be displayed

cout<<"Enter the number of odd numbers to be printed ";

cin>>n;

do

{

// odd number is displayed

cout<<j<<" ";

// variable incremented after odd number is displayed

odd++;

// variable incremented to consecutive odd number

j = j+2;

// loop continues until required number of odd numbers are reached

}while(odd<=n);

}

OUTPUT

Enter the number of odd numbers to be printed 10

1 3 5 7 9 11 13 15 17 19  

Explanation:

The program works as described below.

1. The variable, odd, is declared and initialized to 1 to keep count of number of odd numbers to be displayed and other variable, j, declared and initialized to 1 to display odd numbers in addition to variable n.

2. User is prompted to enter value of n.

3. Inside do-while loop, initially, first odd number is displayed through variable j.

4. Next, variable odd is incremented by 1 to indicate number of odd numbers displayed.

5. Next, variable j is incremented by 2 to initialize itself to the next consecutive odd number.

6. In the while() clause, variable odd is compared against variable n.

7. The do-while loop executes till the value of variable odd becomes equal to the value of variable n.

8. The main() method has return type int and thus, ends with return statement.

9. The iostream is required to enable the use of basic keywords like cin and cout and other keywords.

10. This program can calculate and print any count of odd numbers as per the user.

Answer:

Port Number

Explanation:

Port numbers provide applications in a computer to share network.

Computer operating systems can handle network traffic, incoming and outgoing requests using port numbers.

This is managed by assigning each application to a different port number. Port numbers together with IP addresses identify network traffic.

Answer:

The C++ code is given below with appropriate comments. Random names of customer information are chosen as samples

Explanation:

#include <iostream>

using namespace std;

int main()

{

// Initialize String Arrays for customerName,customerAddress1,city,state,zip for 15 customers

string customerName[15] = {"Liam","Noah","William","James","Logan","Benj","Mason","Elijah","John","Patty","Cheryl","Nick","Brian","Steve","mark"};

string customerAddress1[15] = {"Liam - Address1","Noah - Address2","William - Address3","James - Address4","Logan - Address5","Benjamin - Address6","Mason - Address7","Elijah - Address8","John - Address9","Patty - Address10","Cheryl - Address11","Nick - Address12","Brian - Address13","Steve - Address14","mark - Address15"};

string city[15] = {"Sitka","Juneau","Wrangell","Anchorage","Jacksonville","Anaconda","Oklahoma City","Fort Worth","Dallas","Sitka","Juneau","Wrangell","Anchorage","Jacksonville","Anaconda"};

string state[15] = {"Alaska","Alaska","Alaska","Alaska","Florida","Montana","Montana","Oklahoma","Texas","Arizona","Tennessee","California","Virginia","Indiana","Virginia"};

int zip[15] = {30041,36602,75062,78952,12071,55874,11236,44512,55262,99874,11020,55820,11304,11587,11047};

// Print Zips for the customers

cout <<"Customer Names"<<"\t"<< "Zip Code"<< "\n";

for (int i = 0; i < 15; i++)

cout <<customerName[i]<<"\t\t\t"<< zip[i] << "\n";

}

Answer:

A. ha--ssing or thr----ning behavior that an individual engages in repeatedly.

Explanation:

S - talking by an online definition is the unwanted ob-sessive attention a person gives to a specific person. So therefore, Cybers - talking can then be defined as harming behavior or unwanted or unsolicited ad-vances directed at another using the Internet and other forms of online communications such as through social media outlets like In-stagram, Face-book, Tumblr, Twitter etc and even emails and cellphones.

Cybers - talking may also include secret monitoring, identity th-eft, regular harm, tarnish of image or property, favours, or gathering personal and private information that may be used to disturb the victim. Note that this behaviour is repeatedly and compul-sive.

Answer:

option C: accurate

Explanation:

this is because daily updated website contains the up to date information.

Answer:

The correct answer to the following question will be Option C (cp filename.txt destination).

Explanation:

The command cp is a control-line tool for folder and directory copying. This allows transferring one or more documents or folders with tools for backup-taking and attributes protection.

The general syntax of using the cp command is:

cp SOURCE file DESTINATION file

For example:

cp firstname.txt destination

here, firstname.txt is source file name and destination is the destination file name.

Option A, option D doesn't follow the general syntax of cp command that's why these options are incorrect, therefore, option C is the right answer.

Answer:

The cursor changes to a two edged arrow pointer and the bounding box is highlighted.

Explanation:

Bounding boxes in windows operating system is a boundary line of the windows box that run that runs applications and other utilities in the system. A sizing handle is a tool used in place of a the minimize and maximize button on top of the windows box. It is found on the bottom right edge of the windows box.

When a cursor points to the sizing handle, the cursor changes to a double edge arrow pointer and the bounding box is highlighted, and can be resized on the screen.

Answer:

The correct answer is: the cursor changes to a two edged arrow pointer.

Explanation:

Sizing handles allow users to resize objects -typically windows- at will by placing the cursor over one of the corners of the object. A double edge arrow will replace the cursor. The user will have to left-click the mouse and drag the sizing handle to modify the size of the object. After letting the left click go and moving the mouse around, the cursor appears again with its regular features.

Answer:

Button is correct answer.

Explanation:

Button is the type of object that arrives on a form through the HTML Scripting Language. The programmer can use the button on the form for the submission of the page with the help of a button tag or input tag. They can also change the caption that is written on the button. So, that's why the following answer is correct.

Answer:

Cable shielding is done on some wires like signal wires and communication wires to prevent electromagnetic interference (EMI), also known as noise.

Explanation:

Answer:

a.  Project manager

Explanation:

Project manager -

A project manager refers to the person , who is incharge of a particular project , is referred to as a project manager.

The person is responsible to plan , allot the task to all the team members , start and finish the task on time , all the steps required for the project .

A project manager is the person who need to be informed about any task related to the project.

Hence, from the question,

The correct option is - a.  Project manager .

Answer:

False

Explanation:

A password in a one factor or multi-factor authentication is a mechanism not of what an entity has but what they know.

One factor authentication makes use of passwords only, to secure a user account. A multi-factor authentication uses two or more mechanisms for securing user accounts. It ask the question of what the users know (for password), what they have (security token, smart cards), and who they are(biometrics).

Answer:

False

Explanation:

The authentication mechanism especially the multi-factor authentication uses three types of authentication form factors.

i. What the entity knows: This includes what the entity knows and can always remember. Such as passwords and PINs

ii. What the entity has: This includes physical items that belong to the entity such as smart cards and token generators.

iii. What the entity really is: This includes natural or body features of the entity such as its thumbprint and its palm which can be used for verification.

According to these three factors, it is evident that password is based on "what an entity knows" and not "what an entity has".

Answer:

The correct answer is letter "E": None of the above.

Explanation:

The VLAN Trunking Protocol (VTP) provides an easy way of keeping an accurate VLAN configuration through a commuted network. The VTP allows solutions of commuted network easily scalable to other dimensions, reducing the need of manually setting up the red. The VTP composed of a layer 2 protocol used to manage VLAN setups between switches.

Answer:

The correct answer is letter "D": sorted.

Explanation:

In Microsoft Office Excel, subtotals are used to add numerical values from a list of data. Before applying a subtotal, the information must be sorted according to what is intended to be entered. This is the first step and one of the most important so the outcome of the subtotal will reflect correct and accurate information.