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
What is operating system?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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Password is an example of an authentication mechanisms that is based on " what an entity has".
True or false?
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".
write a function deal3 of type 'a list -> a' list whose output list is the same as the input list, but with the third element deleted.
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:
The first line of code defines a function deal3 which has two parameters. input_list which is an input list and index is the position of elements in the input list.next statement list=[] declares a new list that will be the output list.next statement for x in range(len(input_list)): is a loop which the loop variable x will traverse through the input list until the end of the input list is reached.the next statement if x != index: checks if x variable is equal to the position of the element in the list.Next statement list.append(input_list[x]) appends the elements of input list to list( new list that will be the output list). Now the output list will contain all the elements of the input list except for the element in the specified position (index variable).this statement print('list ->',list) prints the list (new output list).this statement input_list = [10, 20, 30, 40, 50] insert elements 10 20 30 40 50 in the input list. index=2 specifies the second position (3rd element) in the list that is to be removed. deal3(input_list, index) So the function is called which will remove 3rd element of the input list and prints output array with same elements as that in input array except for the element at the specified position.A ____________object appears on a form as a button with a caption written across its face.
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.
What value is used to tell the OS which application running on the computer is to receive a request from a client computer?
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.
Given 4 floating-point numbers. Use a string formatting expression with conversion specifiers to output their product and their average as integers (rounded), then as floating-point numbers.
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:
product = float1 * float2 * float3 * float4Replace 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.
You are tasked with creating a mileage calculator to calculate the amount of money that should be paid to employees. The mileage is computed as follows An amount of .25 for each mile up to 100 miles An amount of .15 for every mile above 100. So 115 miles would be (.25 * 100) + (.15 * 15) This can all be coded using a mathematical solution but I want you to use an if / else statement. Here is how you are to implement it: If the total miles input is less than or equal to 100 then simply calculate the miles * .25 and output the amount otherwise compute the total amount for all miles mathematically. Input: Total number of miles Process: dollar amount owed for miles driven Output: Amount of money due * Please note that you should simply do calculations within the if and else statements. This mean no cin or cout within if or else. Do it afterward.
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;
}
Describe the differences between program development and program execution, including the installed software required for developing and executing Java programs.
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 .
When you write a program that will run in a GUI environment as opposed to a command-line environment, ____________.
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.
Create a division formula.
a. Click the Bookings sheet tab and select cell F5. Average revenue per passenger can be determined by dividing the fee by the number of passengers.
b. Build the division formula.
c. Copy the formula in cell F5 to cells F6:F19.
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
How to divide in excel?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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For Subtotals to be useful and accurate, it is important that the data be ________ correctly.
Answer
-aligned
-formatted
-labeled
-sorted
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.
Q1: Which of the following is an input peripheral device?
• Speakers
• Printer
• Mouse
• Display monitor
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.
In a CPMT, a(n)------leads the project to make sure a sound project planning process is used, a complete and useful project plan is developed and project resources are prudently managed.?
a) Project manager
b) Champion
c) Incident manager
d) Crisis manager
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 .
The proper syntax for the cp command is _____ Select one: a. cp destination b. None of These c. cp filename.txt destination d. filename.txt destination
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.
Preserving confidentiality, integrity, and availability of data is a restatement of the concern over interruption, modification, and fabrication. How do the first three concepts relate to the last four? That is, is any of the four equivalent to one or more of the three? Is one of the three encompassed by one or more of the four?
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.
In simplest terms, cyber stalking involves the use of the Internet, e-mail, or other electronic communications devices to stalk another person that generally involves A. harassing or threatening behavior that an individual engages in repeatedly. B. sending or forwarding sexually explicit photos, videos, or messages. C. essential cooperative reflection with evolved formation hyperbolically. D. none of the above
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.
What is a message called that is delivered by TCP? What is a message called that is delivered by UDP? At which layer do the two protocols work?
Answer:
Transmission Control Protocol is a Transport Layer protocol. This protocol is connection oriented which means that a connection is set up before the data packets are transmitted between the source and destination host which is a very reliable way of data transmission.The connection is established between the source and the destination, after this the data is transmitted between them and lastly the connection is ended or terminated after the data transmission.The packet or a messages that is delivered by TCP is called segment.Basically TCP divides the data into small parts or chunks which are called segments. The segment has a header and data section. The segment header is further divided into the following parts.Source port (sending port), destination port (receiving port), sequence number which is allocated to the first byte in the segment so that if the segments at the destination are sent out of order then it will help to rearrange these segments, Acknowledgement Number is number that the acknowledgement number sender expects to receive, header length, control flags which are used to control connection set up, connection termination and flow control, window size that a sender is ready to receive, Checksum field enables error control, Urgent pointer which is used to refer to data that is urgently needed to reach the receiving phase as soon as possible. User Datagram Protocol (UDP) is a Transport Layer protocol and a part of Internet Protocol suite. This protocol is connection-less which means there is no need to establish a connection between source host and destination host prior to the transmission of data which is an unreliable data transmission way. The message in UDP is called datagram . Unlike TCP segments there is no need to consider the order in which datagrams are sent or received. Datagram has a header part which contains routing information a data section which shows the data to be transmitted. Header has source port, destination port, checksum and length fields.TCP and UDP protocols work in Transport Layer. This layer is responsible for end to end delivery of data between source and destination hosts. It ensures reliable data transmission and manages flow control and also ensures that packets reach in the right order in which they were sent.Thus, the message given by TCP segments.
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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________-generation languages use symbols and commands to help programmers tell the computer what to do.
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).
Some wires, especially signal wires and communication wires, are shielded, which helps to prevent electromagnetic interference, also referred to as "____."
Answer:
Cable shielding is done on some wires like signal wires and communication wires to prevent electromagnetic interference (EMI), also known as noise.
Explanation:
In regions where strong electromagnetic interference is present, like inside some vehicles the wires are subjected to unwanted electromagnetic induction. This interference is known as Electrical noise or EMI noise. Shielding of wires is done to prevent this noise in some vehicles. The shielded wire then needs to be grounded properly. Three types of shields are popular: Mylar tape, drain line and twisted pair.Given the number n as input, print the first n odd numbers starting from 1. For example if the input is 4 The ourput will be: 1 3 5 7
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.