DNS
What is a DNS server?
The World Wide Web and the internet are uncharted territories that depend on computer languages and codes to locate and exchange data and information. The Domain Name System, or DNS, is one of the most essential tools used on the internet. (Despite the fact that many people mistakenly believe "DNS" to stand for "Domain Name Server," it actually stands for "Domain Name System. The TCP/IP protocol suite, which is a collection of rules for how computers exchange data over the internet and various private networks, includes the DNS system. It serves a crucial function by transforming easily recognizable domain names like "howstuffworks.com" into the Internet Protocol (IP) address 70.42.251.42 that computers use to recognize one another on the network. In a nutshell, it is a matching system.To learn more about DNS refer:
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computer hacking would be placed under which category in wall's typology of cybercrime? computer hacking would be placed under which category in wall's typology of cybercrime?
Computer hacking would be placed under cyber-trespass category in wall's typology of cybercrime.
What is software trespass?Intentionally accessing, altering, deleting, or otherwise interfering with a computer without authorisation is considered computer trespass.
Therefore, a computer trespass is defined as getting access to a secured computer without the necessary authorization and taking financial information, departmental information, or agency information. Although each state has its own rules involving computer trespassing, they all in some way mirror the federal legislation.
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interrupt is the elapsed time between the occurrence of an interrupt and the execution of the first instruction of the interrupt service routine.
Interrupt Latency is the elapsed time between the occurrence of an interrupt and the execution of the first instruction of the interrupt service routine.
Here's the complete question:
Interrupt ______ is the elapsed time between the occurrence of an interrupt and the execution of the first instruction of the interrupt service routine.
Interrupt latency is a term used in embedded systems. It is the time between the occurence of an interrupt, and the time the system has properly responded to that interrupt.
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What challenges do internet browsers face in the marketplace?
Answer:
The following present the greatest difficulties for the online market: Customer service: A customer seeks out the best customer service on an online marketplace platform. Customers are drawn to the online marketplace platform because of the marketplace itself, not because of the merchants.
Explanation:
state the difference between Ms Word 2003, 2007 and 2010
Answer:
Difference of File Menu between Word 2003, Word 2007 and Word 2010 There is a few difference of the File menu between Classic Menu for Word 2007/2010 and Word 2003. The File drop down menu in Word 2007 and 2010 includes 18 menu items, while 16 menu items in Word 2003.
Explanation:
you are preparing to upgrade to windows 10 on a computer that is running windows vista pro. which edition of windows 10 do you need to perform an in-place upgrade?
The edition of windows 10 that you need to perform an in-place upgrade is that one need to Upgrade to that of 2 GB of RAM.
What is the Windows Update?This is known to be called the System application. The Windows Update is a Microsoft service that tends to automates the downloading and installation of Microsoft Windows software updates via the use of the Internet for the Windows 9x as well as the Windows NT families of any form of operating systems.
Therefore, to make sure that the upgrade is possible, one need to make sure that they have their system to be at least 2GM of its memory.
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You are preparing for an installation of 64-bit Windows 10 on a computer that is currently running a 64-bit version of Windows 7. You perform a hardware inventory on the computer and not the following:
-Processor = 2.0 GHz
-Free Hard Drive Space = 200 GB
-RAM = 1 GB
-DVD drive = 18x
-100 Mbps NIC
You need to prepare this computer to ensure that it meets the minimum hardware requirements of Windows 7. What should you do
What is the MOST likely reason for Karla to set an alarm on her work computer for 50 minutes past the hour every hour?
Question 2 options:
It reminds her to stand up for a few minutes each hour.
It signals that it's meal time.
It wakes her up in case she falls asleep.
It reminds her to readjust the position of her monitor.
The most likely reason for Karla to set an alarm on her work computer for 50 minutes past the hour every hour is option C: It wakes her up in case she falls asleep.
How were people on time for work before alarm clocks?Ancient Greeks as well as Egyptians created sundials and colossal obelisks that would serve as time markers by casting a shadow that changed with the position of the sun.
Humans created hourglasses, water clocks, as well as oil lamps that measured the passage of time by the movements of sand, water, and oil as early as 1500 B.C.
Therefore, An alarm clock, or simply an alarm, is a type of clock used to warn a person or group of people at a certain time. These clocks' main purpose is to wake people up after a night's sleep or a little nap; however, they can also serve as reminders for other things.
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Checking the credentials of a website reviewer could help you determine whether that person is _____.
A. paid to review favorably on websites
B. an expert in the field
C. opinionated
D. none of these
Answer:
B
Explanation:
Answer:
an expert in the field
Explanation:
Checking the credentials of a website reviewer could help you determine whether that person is an expert in the field.
Homework 4 Secondary storage
Unit 1 Systems architecture
PG ONLINE
(e) Desmond wants to take the photos and videos he creates to his friend's house.
Typically, he will be taking around 20 GB of data each time.
Identify one type of secondary storage that would be suitable for this purpose.
(f) Explain two advantages of choosing this device over other options.
[1]
[4]
One type of secondary storage that would be suitable for Desmond's purpose is an external Solid State Disk (SSD) with at least 500 gigabytes of storage space.
SSDs are great because they are very portable, and less prone to accidents.
What is a Solid State Drive?Magnetic storage devices, such as hard disk drives, are classified as secondary storage devices. CD, DVD, and Blu-ray discs are examples of optical storage devices. USB memory sticks and solid-state drives (SSDs) are examples of solid-state storage devices. However, the SSD referred to here is the one with an integrated circuit.
An external solid-state drive is a device that you connect to a computer port, as opposed to an internal drive, which is permanently embedded within your computer. An external drive provides greater storage capacity for your files.
SSDs use flash memory to store data permanently inside an integrated circuit. Because SSDs use flash memory, data is written, transferred, and erased electrically and quietly – they lack the moving components seen in mechanical hard disk drives (HDDs).
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write a statement that creates an arraylist object named frogs . the arraylist should hold string s. note: do not use the var keyword in your statemen
Using the knowledge in computational language in JAVA it is possible to write a code that creates an arraylist object named frogs and the arraylist should hold string s.
Writting the code:var frogs = new ArrayList<String>();
frogs.add("Frog 1");
frogs.add("Frog 2");
frogs.add("Frog 3");
System.out.println(frogs);
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write an empty main function. write a function called avg eq() that accepts 4 doubles, a, b, c, and d and returns a 1 if the average of a, b and c is greater than d, zero otherwise. write code in main that tests your function with these data: (1,3,5,2) (2,3,4,4) (10,50,25,30) (123,987,42, 300) output (1,3,5,2) -> 1 (2,3,4,4) -> 0 (10,50,25,30) -> 0 (123,987,42,300) -> 1
This question require to write a program which accept 4 doubles variable such as a,b,c and d and return 1 if the average of a,b, and c is greater than variable d. Otherwise, return false (0).
The required program is written in Python below:
def avg_eq(a,b,c,d): # function is defined
total = a+b+c # total of a,b and c is calculated
average = total/3 # average is calcuated of variables a,b, and c
if average > d: #if average is greater than d
return 1 # returns 1
else: # otherwise returns zero.
return 0
print(avg_eq(1,3,5,2))
print(avg_eq(2,3,4,4))
print(avg_eq(10,50,25,30))
print(avg_eq(123,987,42,300))
The output of the program is also attached. The above code perform correct functionalities as required in the question.
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Which of the following scenarios should use a for loop? A. printing the names in a list until the user presses the space key B. printing all of the even numbers between 2 and 20 C. telling a car to slow down if it is going over 40 mph D. printing a message if the user enters a negative number
Answer: A
Explanation:
Answer:
A.
Explanation:
what are all the functions of photopea
The functions of Photopea are:
It is used as an image editing tools.It is used for spot healing as well as a clone stamp healing tool.It serve as a patch tool.This application supports layers, layer masks and others.What is Photopea's purpose?It is known to be a sophisticated picture editor that can handle both raster and vector graphics mostly called Photopea.
It may be used for both straightforward jobs like resizing images and more complicated ones like developing websites, producing graphics, editing photos, and more.
Note that Although Photopea has a few significant differences from Photoshop, it can perform many of the same tasks.
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a security analyst's scans and network logs show that unauthorized devices are connecting to the network. the analyst discovers a tethered smartphone acting as a connection point to the network. which behavior describes the smartphone's role?
An attached smartphone serving as a network connection point is found by the analyzer. The smartphone behaves like a rogue access point (AP).
In the field of information technology, a network is described as the physical or virtual connection between two or more computers. Two computers coupled together by a cable form the simplest network. Peer-to-peer networks are the name given to this kind of network .Each member of this network enjoys the same privileges; there is no hierarchy. The data on the other computer is accessible to both computers, and they can share resources like disk space, software, or peripherals. Today's networks are frequently a little more complicated and don't only have two computers in them. In most cases, client-server networks are used in systems with more than ten participants. In these networks, a central computer (server) distributes resources to the other network users (clients).
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write the few lines of code that prompts the user to enter a series of exam scores, stopping when the user has entered an exam score < 0. the program then prints the highest, lowest, and average score or no scores if no scores have been entered.
Answer: 5b + 3.79
Explanation:
4.8 as discussed in section 4.4.8, we expect the constraint "an instructor cannot teach sections in two different classrooms in a semester in the same time slot" to hold. a. write an sql query that returns all (instructor, section) combinations that violate this constraint. b. write an sql assertion to enforce this constraint (as discussed in section 4.4.8, current generation database systems do not support such assertions, although they are part of the sql standard).
Rules that the SQL Server Database Engine imposes for you are called constraints. To ensure that no duplicate values are recorded in particular columns that do not take part in a primary key, for instance, you can use UNIQUE constraints.
When you want to ensure the uniqueness of a column, or group of columns, that is not the primary key, use a UNIQUE constraint rather than a PRIMARY KEY constraint, even though both constraint types enforce uniqueness. A single column can have numerous CHECK restrictions applied to it. By establishing a CHECK constraint at the table level, you can also apply it to several columns at once. This makes it possible to verify several conditions at once.
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the calculator class will instantiate an object of the converter class in order to have the infix expression converted to a postfix expression.
You should use the calculator in two separate steps. a class called Converter that will postfix-convert the input string. a class of calculators that will assess the postfix expression.
A class is a set of plans or instructions for creating a particular kind of item. It is an essential idea in object-oriented programming that is based on actual physical entities. An object's behavior and contents are controlled by its class in Java. . In OOPS, an object is just a self-contained component with methods and properties that make a specific type of data usable. Consider the names of colors, tables, bags, and barking. An object receives a message that instructs it to invoke or carry out one of the class-defined methods.
In OOPS, an object can be a data structure, a variable, or anything else from the perspective of programming. Despite the fact that the syntax of the Java programming language will appear unfamiliar to you, the design of this class is based on the earlier discussion of bicycle objects. The objects' states are represented by the fields cadence, speed, and gear, and their interactions with the outside world are specified by the methods (changeCadence, changeGear, speedUp, etc.).
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what is the technology to encode filr or messages?
Answer:
Encryption is ur ansqwer
why do we use while loops? to repeat code a specific number of times to use if-else statements in a loop to repeat code when the number of times to repeat is unknown to determine if a condition is true
When it is difficult to determine the precise number of required iterations or when it is impossible to do so, we utilize while loops to repeatedly perform an action.
When constructing a while loop, it's crucial to be mindful of the following grammar issues: The word "while" is used to start the sentence.
Until a condition is satisfied, a "While" Loop is used to repeatedly run a certain block of code. If we wish to ask a user for a number between 1 and 10, for instance, we don't know how many times the user might enter a larger number, so we keep asking "while the value is not between 1 and 10."
A do while loop is a control flow statement used in the majority of computer programming languages. It executes a block of code at least once before repeating it or ceasing to perform it based on a given boolean condition at the conclusion of the block.
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define a function setbirth, with int parameters monthval and dayval, that returns a struct of type dateofbirth. the function should assign dateofbirth's data member nummonths with monthval and numdays with dayval.
To define a function setbirth, with int parameters monthval and dayval, that returns a struct of type dateofbirth,
BirthMonthDay SetBirth(int monthVal, int dayVal) //defining method SetBirth
{
BirthMonthDay type; //defining structure type variable
type.month = monthVal; //holding value
type.day = dayVal;//holding value
return type; //retrun value
}
In the method above, a structure type method "SetBirth" that accepts two integer parameter, that is "monthVal and dayVal" is defined. This method uses typedef for declaring the structure type method.
Inside the method, a structure type variable that is "type" is declared, which holds the method parameter value and uses the return keyword to return its value.
Here's the complete question:
Define a function SetBirth, with int parameters monthVal and dayVal, that returns a struct of type BirthMonthDay. The function should assign BirthMonthDay's data member month with monthVal and day with dayVal.
#include
typedef struct BirthMonthDay_struct {
int month;
int day;
} BirthMonthDay;
/* Your solution goes here */
int main(void) {
BirthMonthDay studentBirthday;
int month;
int day;
scanf("%d %d", &month, &day);
studentBirthday = SetBirth(month, day);
printf("The student was born on %d/%d.\n", studentBirthday.month, studentBirthday.day);
return 0;
}
the it manager in your organization has asked you to install the pulseaudio-equalizer.noarch package. in this lab, your task is to install the pulseaudio-equalizer.noarch package.
Since you want to use DNF to Install an RPM Package Lab and your task is to install the pulseaudio-equalizer.noarch package, the way to do it is
Type dnf install pulseaudio-equalizer at the prompt. Enter after noarch. To install the package, press Y and then Enter.What is in an RPM package?Typical RPM packages come with relevant configuration files, documentation, and binary executables. The rpm program is a potent package manager that may be used to install, query, verify, update, wipe, and produce RPM-format software packages.
Hence, the Red Hat package manager uses files with the RPM file extension to store installation packages for Linux operating systems. Since they are "packed" in one location, these files offer a simple means for software to be disseminated, and others.
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6.2.5 Use DNF to Install an RPM Package Lab
In this lab, your task is to install the pulseaudio-equalizer.noarch package.
given three ints, a b c, one of them is small, one is medium and one is large. return true if the three values are evenly spaced, so the difference between small and medium is the same as the difference between medium and large.
With such a limited number of inputs, there is no need for any sorting. You may just check each of the three options separately and "or" the outcomes because there are only three choices.
public boolean evenlySpaced(int a, int b, int c) {
if(a==b && b==c) return true;
if(a==b || a==c || b==c) return false;
return ((Math.abs(a-b)== Math.abs(b-c)) || (Math.abs(a-c)==Math.abs(a-b)) ||( Math.abs(c-a)==Math.abs(b-c)));
}
or
boolean isArithmeticProgression =
(a - b == b - c) || (a - c == c - b) || (a - b == c - a)
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Any help would be greatly Appreciated! :)
I think the answer is A or E.
create a simple f unction that uses pythagorean theorem to calculate the hypotenuse of a right triangle, by using 2 arguments (of x and y respectively) as the inputs, i.e., when call the f unction in the command window, you need to input values of both x and y. note that both x
#include <bits/stdc++.h>
int calc_hypo(int idx, int idy) {
return (idx>0 && idy>0) ? sqrt(pow(idx,2)+pow(idy,2)) : 0;
}
int main(int argc, char* argv[]) {
//Get input from user.
int x,y;
std::cin >> x >> y;
//Return the result.
std::cout << "The result is " << calc_hypo(x,y) << std::endl;
return 0;
}
writte a short note on my computer
a note is a note <3 <3<3
Software that you can download and use without paying a purchasing fee is called _____.
A. bargainware
B. freeware
C. commercial software
D. freemium
Answer:
Freeware
software that is available free of charge.
Find out how to print the below pattern in python and also come up with pseudocode,
you have to use for loop for this, you can use a for loop inside the outer for loop.
You can't use operator like " *" in python , only use print statement to print the below pattern. Find out how to print in 5 lines one by one in python , there is a way to print one line then next
X
XXX
XXXXX
XXXXXXX
XXXXXXXXX
Answer:
for i in range(5):
for j in range(2*i + 1):
print("*", end="")
print()
Explanation:
for row index going from 0 to 5
for column index going from 0 to 2*row index + 1
print * suppressing new line
print a new line to move to next row
1. write a short sentence or phrase which describes your overall attitude toward life (you can write your own life philosophy or you can write a motto which best describes your way of living) 2. write a brief explanation as to what the phrase/sentence means to you (not more than 3 sentences) 3. cite at least two examples of a situation/decisio
A comprehensive perspective or attitude toward life and its purpose is referred to as a life philosophy. The core traits that distinguish one person from all others are referred to as one's self.
It helps us solve problems, no matter how simple or difficult they may be, and it strengthens our capacity for critical thought (very important in the age of disinformation). Studying philosophy enhances one's problem-solving skills. It supports the analysis of concepts, definitions, assertions, and problems. It improves our capacity to classify ideas and issues, handle moral quandaries, and sift through large amounts of data to uncover the pertinent information.
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Which logical address is responsible for delivering the ip packet from the original source to the final destination, either on the same network or to a remote network?.
Source and destination IP logical address is responsible for delivering the IP packet from the original source to the final destination, either on the same network or to a remote network.
The IP packet field holding the IP address of the workstation from which it originated is known as the source IP address. The IP packet field holding the IP address of the workstation to which it is addressed is known as the destination IP address. An IP address is a logical address that is given by router or server software, and that logical address may occasionally change. For instance, when a laptop starts up in a different hotspot, it is likely to receive a new IP address. The IP addresses for the source and destination can match. That merely denotes a connection between two peers (or client and server) on the same host. Ports at the source and destination may also match.
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A _____ screwdriver is the least common type of screwdriver found in the United States.
write a short essay based on any movie
OK! Give me 20 minutes.
Essay:
Essay about Frozen.
10/10/2022
Frozen is a film about two sisters, Anna and Elsa. Elsa was born with magical powers and Anna would always play with her. Until one day, Elsa accidentally hit her sister and they had to go to the magical trolls to help save Anna.
Elsa and Anna’s parents pass away while on a ship, after they pass, Elsa locks herself in her room and gives the cold shoulder to Anna. Finally, after many years, Elsa comes out of her room for her coronation. However, things go wrong with the two sisters, and it results in the kingdom being trapped in an icy winter because of Elsa’s anger, and magical powers.
After Elsa runs out in embarrassment and fear, Anna chases after her sister hoping to talk to her and get her to calm down. Elsa denies and runs away into the mountains and with her icy powers, she makes it her new home.
While Anna goes to look for her sister, she passes the kingdom onto her “lover” which was a huge mistake. On Anna’s journey to find her sister, she meets her old friend Olaf, a stubborn man who turns out to be her real lover, and the man’s reindeer. They all helped Anna get to Elsa, but Anna got hit again by Elsa and they were all shown out by Elsa's icy monster.
The people from the kingdom end up finding Elsa and start wrecking her tower to capture Elsa to bring her back to the kingdom. Meanwhile, Anna starts to freeze, and Kristoff brings her back to the kingdom where her "true love" can help her. Although, her "true love" leaves her in the room to die, and Kristoff realizes he loves her and goes back for her.
Anna turns frozen after a battle between Elsa and Anna's "lover" and then that is when the whole kingdom stops freezing and goes back to normal.
That definitely wasn't a short essay so just delete the parts you don't think are important and just add whatever you want.