Physical design is the process of determining the data storage organization and data access characteristics of the database to ensure its integrity, security, and performance.
What is database?A database is a methodical collection of information. They allow for electronic data storage and manipulation. Databases facilitate data management.
Consider the following database: A database is used by an online telephone directory to store data about people, phone numbers, and other contact information. A database is used by your electricity service provider to manage billing, client issues, fault data, and so on.
Let us also take a look at Fakebook. It must store, manipulate, and present data about members, their friends, member activities, messages, advertisements, and a variety of other topics. We can provide an infinite number of database usage examples.
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A user calls to report that she is experiencing intermittent problems while accessing the wireless network form her laptop computer. She can access the network from her usual office, but today, she is trying to access the wireless network from a conference room, Which is across the the hall and next to the elevator.
Which of the following is the MOST likely cause of her connectivity problem?
Interference is affecting the wireless signal
The elevator can cause interference with the wireless network signal due to the metal structure and electrical components inside the elevator.
Interference from ElevatorsElevators can cause interference with the wireless network signal due to their metal structure and electrical components.
The metal structure of the elevator can act as a barrier, blocking the signal and effectively cutting off her connection to the network. Additionally, the electrical components inside the elevator can generate a lot of noise, which can disrupt the signal and cause intermittent connectivity issues.Learn more about interference with the wireless network signal at: https://brainly.com/question/11879223
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a class (classone) is considered to have a dependency on another class (classtwo) under which of the following conditions? group of answer choices classtwo uses objects of classone. classone uses objects of classtwo. classone and classtwo both use a third class classthree. the public interfaces of both classes are cohesive.
A class (classone) is considered to have a dependency on another class (classtwo) under ClassOne uses objects of ClassTwo.
What is dependency?
A dependence in the context of modern software development is extra code that a programmer wants to call. The process of conceiving, writing, testing, debugging, and maintaining a particular unit of code is avoided by adding a dependency.
A class is a template specification of the method(s) and variable(s) of a certain kind of object in object-oriented programming. As a result, an object is a particular instance of a class; instead of variables, it holds real values. One of the fundamental concepts of object-oriented programming is the class.
Minimizing class dependencies (also known as coupling) is a smart programming strategy since too many dependencies make managing an application program challenging. On the other hand, we argue that class coupling is low if there are few dependencies between them.
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calculate the overall speedup of a system that spends 65% of its time on i/o with a disk upgrade that provides for 50% greater throughput.
Answer:
Explanation:
S = 1.28 or 28% speedup
discuss what is a trigger in database, and what is its purpose? discuss real-word application example of triggers. please do not write the sql command. provide a scenario of real-world application that you will use triggers.
A trigger is a special type of stored procedure in a database that automatically executes when an event occurs in the database.
Example of trigger :
A real-world application example of triggers is an order management system. For example, when an order is placed, a trigger can be used to automatically check if there is enough stock to fulfill the order. If there is sufficient stock, the trigger can update the inventory in the database and send a notification to the customer that the order has been successfully processed. If there is insufficient stock, the trigger can update the customer with the new delivery date. This helps to ensure that orders are fulfilled quickly and efficiently, while maintaining data integrity.
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ix capitalization() function. fix capitalization() has a string parameter and returns an updated string, where lowercase letters at the beginning of sentences are replaced with uppercase letters. fix capitalization() also returns the number of letters that have been capitalized. call fix capitalization() in the execute menu() function, and then output the number of letters capitalized followed by the edited string. hint 1: look up and use python functions .islower() and .upper() to complete this task. hint 2: create an empty string and use string concatenation to make edits to the string. (3 pts)
Lowercase letters at the beginning of phrases are replaced with uppercase letters by the repair capitalization() method, which takes a string parameter and returns an altered string.
def fix_capitalization(userString): //Using capitalization() method
use = ""
cnt = 0
tmp = userString.split(". ")
for i in tmp:
if (e. in i for e. in ["!","?","."]):
if i[0].islower():
use += i[0].upper() + i[1:]
cnt += 1
else:
use += i
else:
if i[0].islower():
use += i[0].upper() + i[1:]
cnt += 1
else:
use += i
use += ". "
return use, cnt
fixed, cnt = fix_capitalization("Our space mission will go on. There will be more shuttle crews, shuttle flights, and yes, more volunteers, civilians, and educators in space. Our aspirations and journeys don't end here.!")
print("Ex: Number of letters capitalized: ", cnt)
print(fixed)
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which security protocol encrypts transmissions by iusing a shared secret key combined with an initializatrion vector
Wired Equivalent Privacy (WEP) encrypts transmissions by using a shared secret key combined with an initialization vector.
What is WEP Encryption Protocol?
The 802.11 MAC specification defined an encryption protocol called Wired Equivalent Privacy (WEP).
The initial data packet (P), which is utilized for communication when WEP is employed, is first checksummed (c). The data payload is then created by combining the checksum with the data.
A 24-bit random initialization vector is then created by the transmitting device (IV). The gadget employs the RC4 algorithm to encrypt the data (EK,IV(P,c)) using the shared key (K) and IV to produce the ciphertext data.
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with these systems, input and output devices are located outside the system unit.
a. Desktop systems
b. Personal digital assistants
c. Smartphones
d. Laptop computers
The systems, input and output devices are located outside the system unit is desktop systems.
What is desktop system?Peripherals are externally connected input and output devices to the computer. A keyboard, mouse, scanner, microphone, or game controller are examples of common input devices.
A desktop computer is a type of personal computer that is designed to sit on top of a standard office desk.
It houses the physical hardware that allows a computer to run and connects to input devices like the monitor, keyboard, and mouse with which users interact.
Thus, the correct option is a.
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the minimum wire bending space required at the top and bottom of a panelboard that has three 3/0 awg conductors connected to each busbar is
The minimum wire bending space required at the top and bottom of a panelboard that has three 3/0 awg conductors connected to each busbar is 8 inches.
What is wire bending space?A straight line drawn from the end of the lug or wire connection to the wall, obstacle, or obstruction must be used to measure the bending space at the terminals.
The conductor may not be bent to a radius that is less than 8 times the overall diameter for non-shielded conductors or 12 times the overall diameter for shielded or lead-covered conductors, either during installation or later.
Thus, it is 8 inches.
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____ allow ions to flow freely and quickly from one cell to another during depolarization, thus propagating the electrical signal from one cell to the next almost instantaneously
Gap junctions allow ions to flow freely and quickly from one cell to another during depolarization, thus propagating the electrical signal from one cell to the next almost instantaneously
The Role of Gap Junctions in Rapid Electrical Signal PropagationGap junctions permit the direct transfer of ions and small molecules between adjacent cells. This allows ions to flow freely and quickly from one cell to another during depolarization, thus allowing the electrical signal to be propagated from one cell to the next almost instantaneously. Gap junctions are important for the rapid transmission of electrical signals in the nervous system, allowing the signals to travel quickly without any delay.
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what happens in photoshop when you paste a larger resolution image into a smaller resolution document
Photoshop will automatically resize a picture when you paste it into a document with a lower resolution than the original to fit. To accommodate the lower resolution , the photo will be partially cropped or pixelated.
Resolution – what is it?
The number of unique pixels that can be displayed in each dimension depends on the screen resolution or display methods of a digital tv, computer monitor, or display device. That can be a confusing term, especially since projection displays that use fixed picture-element (pixel) arrays, flat-panel displays, including liquid-crystal displays, and cathode ray tubes (CRT) showcases, all regulate the shown resolution differently.
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write a statement that toggles the value of onoffswitch. that is, if onoffswitch is false , its value is changed to true ; if onoffswitch is true , its value is changed to false . view keyboard shortcuts edit view insert format tools table 12pt paragraph
A lot of people discover that using an extra keyboard with Word keyboard shortcuts increases their productivity.
Keyboard shortcuts are a necessary substitute for using a mouse for people who have mobility or vision impairments since they can be more convenient than using a touchscreen. The text box labeled "Search" at the top of the app window may actually be called "Tell Me" depending on the version of Microsoft 365 we are running. Both provide a mostly comparable experience, however there are some different options and search results. We are utilizing an access key from a previous version of Microsoft 365, according to a message that appears. Use the whole key sequence if we are aware of it. Press Esc to use Key Tips if we are unsure of the sequence.
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allowing departments to make their own software and hardware purchases increases efficiency and minimizes the need for centralized support.
Green computing basically entails lessening the effects of technology on the environment.
The most popular type of centralized processing is client/server computing. Locating and managing saved Web pages is the responsibility of application server software. Virtualization is a term used to describe the use of online storage services like Drop Box. The data is received through input devices in a format that the computer can understand, and it is then sent to the processing unit. The electronic circuitry of the processor, more formally known as the central processing unit (CPU), transforms input data into the desired information. To make sure that sufficient computing resources are available for work of various priorities, capacity planning is the process of determining when a computer hardware system will become saturated.
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Also known as a private key cipher, what term is used to describe the encryption where the same key is used to encrypt the document before sending and to decrypt it once it is received?.
In symmetric encryption, both the encryption and decryption processes use the same key.
While symmetric encryption uses a shared private key, asymmetric encryption uses a combination of public and private keys. An encryption key is frequently a random string of bits designed specifically to muddle and unmuddle data. Each encryption key is unique and unpredictable thanks to the algorithms used to create them.
Longer keys generated in this way make the encryption code harder to decipher. Both the IBM and T10 encryption systems encrypt data using 256-bit AES algorithm keys. The three different key lengths supported by the 256-bit AES encryption standard are acknowledged and supported by the US government. AES allows keys to be up to 256 bits long.
It is possible to use both symmetric and asymmetric encryption methods with the encryption key server.
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8. in cell b13, create a formula using the vlookup function that looks up the value from cell a11 in the range a5:b7, returns the value in column 2, and specifies an exact match. copy the formula to cell e13.
The creation of the formula using the VLOOKUP function is used to look up a value in a particular column is as follows:
The VLOOKUP formula to enter cell B13 is VLOOKUP(A11, A5:B7,2,0). What is the VLOOKUP function?The VLOOKUP function may be defined as a type of built-in Excel function that may significantly help you look for a specified value by searching for it vertically across the sheet.
The syntax of a VLOOKUP function is as follows:
VLOOKUP(lookup_value, cell_range, column_index, [return_value]).where lookup_value represents the value to look up, cell_range represents the cells to check, column_index represents the column index, and [return_value] is an optional entry, and it represents the value that will be returned by the lookup function.
Therefore, The creation of the formula using the VLOOKUP function is used to look up a value in a particular column is well described above.
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structured programming and object-oriented programming (known as oop) are two popular approaches to programming design. discuss each design methodology including the differences between the two as well as why one methodology would be used over the other. when discussing structured programming, be sure to mention top-down and bottom-up design. when discussing oop, be sure to mention the purpose of objects and how they interact with one another.
Structured programming is a programming design methodology that focuses on breaking down a problem into smaller, more manageable pieces. It emphasizes the importance of using a top-down design approach, where the programmer divides the problem into smaller pieces and then solves each piece separately.
This approach allows the programmer to better understand the problem, which makes it easier to debug and troubleshoot the code. Structured programming also relies strongly on control structures such as conditionals and loops to create the desired flow of the program.
Object-oriented programming (OOP):Object-oriented programming (OOP) is a programming design methodology that focuses on the use of objects. Objects are a way of representing real-world entities and their properties and behavior.
An object is an entity that has a set of characteristics and behaviors that are associated with it. OOP emphasizes the concept of data abstraction, which is the process of representing essential features of an object without including the background details. This allows the programmer to create an efficient program by reusing objects and their associated behaviors. OOP also emphasizes the concept of code reusability, which is the ability to use the same code in different contexts.
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_______programs provide a quick and easy way to search or examine an entire computer system to help you find specific applications, data, or other files.
Search programs let to quickly and easily search or inspect a whole computer system in order to locate certain applications, data, or other files.
What is the search programs?Users can use desktop search software to rapidly locate files, folders, or particular material saved on their PCs and certain associated programs with the help of search programs.
Search tools allow you to swiftly and simply search or investigate an entire computer system to find certain applications, data, or other files. The search tool allows users to search for digital objects in the collection using simple or complex search.
Therefore, it is search program.
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When walking in a group single file What should the person in the front do?.
When walking in a group single file, the thing that the person in the front should do is that the person need to have the gun as it will be or must pointed ahead but it should not be over the shoulder.
What is single file?The term single file is seen as a line of objects or persons that is only one broad.
Therefore, in regards to the above, The person in the lead should always point the gun forward and never over their shoulder. The firearm must be held at an angle by the person in the middle. The hunter in the back may aim the gun in either the front, side, or rear.
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the fact that big data comes in many formats and may be structured or unstructured is an indicator of its (fill the blank).
The fact that big data comes in many formats and may be structured or unstructured is an indicator of its variety.
Exactly why is huge data unstructured?The term "unstructured" simply refers to datasets, which are typically enormous collections of files, that aren't kept in a structured database manner. Despite not being prescribed by data models, unstructured data contains an underlying structure. In a textual or non-textual format, it might be produced by a human or a machine.Unstructured data is an amalgam of many different forms of data that are stored in their native formats, whereas structured data is very specialized and is saved in a preset format. So, structured data benefits from schema-on-write, whereas unstructured data benefits from schema-on-read.
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antje has been asked to review the cybersecurity infrastructure deployed to ensure that they are looking at every layer in their defense in-depth strategy. he finds that there is adequate protection at the perimeter of each zone but is concerned that zero-day network-based attacks may still make it into the network segment. which of the following should he recommend implementing?
Since Antje has been asked to review the cybersecurity infrastructure deployed to ensure that they are looking at every layer in their defense in-depth strategy, the option that he should recommend implementing is option B: b. host-based firewalls
What exactly are firewall rules based on hosts?
A piece of software called a host-based firewall, which runs on a single host, can limit network traffic coming into and leaving that host. Both the infection of a host and the propagation of malware to other hosts can be stopped by them.
Therefore, A firewall that is installed on a computer directly is known as a host-based firewall (rather than a network). Host-based firewalls aid in the detection and termination of malware, viruses, and other potentially undetected dangerous programs.
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See full question below
Antje has been asked to review the cybersecurity infrastructure deployed to ensure that they are looking at every layer in their defense in-depth strategy. He finds that there is adequate protection at the perimeter of each zone but is concerned that zero-day network-based attacks may still make it into the network segment. Which of the following should he recommend implementing?
a. STP
b. host-based firewalls
c. layer 3 switch
d. network-based firewalls
Databases, blogs, and social networking help companies gather ___ to meet consumer needs through the development of products and services.information or data
In order to produce products and services that will suit consumer wants, businesses might acquire information or data with the aid of databases, blogs, and social networking.
What is the meaning of information?Information is an ambiguous concept that describes anything with the ability to inform. Information relates to the interpretation of what can be felt at its most basic level.
Information is what results from the processing, interpretation, organization, structuring, or presentation of data to give them meaning or utility. Data is placed in context by information. Intelligence, message, data, signal, and fact are some of the different names for information.
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the type of parameter passing which copies an argument value into its corresponding parameter in the called module is known as ...
Passing a reference to an argument in the calling function to the corresponding formal parameter of the called function is known as passing by reference (also known as passing by address).
The caller and the callee utilize the same variable for the argument so that a copy of the address of the real parameter is made in memory. The address of an argument is copied into the formal parameter when passing arguments to a function using the call by reference method. The address is used within the function to access the actual argument used during the call. It implies that the passed argument is impacted by modifications made to the parameter.
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Question 1 computer 1 on network b, with ip address of 192. 168. 1. 233, wants to send a packet to computer 2, with ip address of 10. 1. 1. 205. On which network is computer 2?.
It is to be noted that Computer 2 with the IP address - 10.1.1.205 is on a Private Network.
What is a Private Network?A private network in Internet networking is a computer network that employs a private address space of IP addresses. These addresses are often used for local area networks in homes, offices, and businesses. Private IP address ranges are defined in both the IPv4 and IPv6 standards.
It should be mentioned that the IP address range 10.1.205.0 - 10.1.205.255 is owned by a Private network and is situated in a Private network.
An Internet Protocol address is a numerical identification, such as 192.0.2.1, that is linked to a computer network that communicates using the Internet Protocol. The primary functionalities of an IP address are network interface identification and location addressing.
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As you are helping a user with a computer problem, you notice that she has written her password on a note stuck to her computer monitor. You check the password policy of your company and find that the following settings are currently required:
• Minimum password length = 10
• Minimum password age = 4
• Maximum password age = 30
• Password history = 6
• Account lockout clipping level = 3
• Require complex passwords that include numbers and symbols
Which of the following is the best action to take to make remembering passwords easier so that she no longer has to write the password down?
Implement end-user training is the best action to take to make a user remember passwords easier so that she no longer has to write the password down.
What is a password?A password is a word, phrase, or string of characters used to distinguish between an authorized user or process and an unauthorized one (in order to grant access).
To put it another way, a password is used to establish identity or grant access to a resource. The idea of a password's secrecy is strongly implied. To provide authentication, a password is frequently used in conjunction with a username or another method.
A reliable, challenging-to-crack password is one that is strong. Ten or more characters, both uppercase and lowercase, are required for a good password. Additionally, it might contain some unique characters, like the dollar sign ($), percent symbol (%), or exclamation mark (!).
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1. Draw the binary search tree which results from inserting the following numbers, one after the other, from left to right:
10,2,7,6,12,3,1,8,11
. 2. Show the resulting binary search tree after deleting 12. Explain. 3. Show the resulting binary search tree after deleting 12 and 2. Explain. 4. Provide an insertion order for the same numbers, 10, 2, 7, 6, 12, 3, 1, 8,11, which will result in a tree with height of 3 . Draw the resulting tree.
A binary search tree arranges its elements in a specific order.
In a Binary search tree, the value of the left node must be less than the value of the parent node, and the value of the right node must be greater than the value of the parent node. This law is applicable recursively to the root's left and right subtrees.
Binary Search Tree Algorithm:
Search (root, item)
if (item = root → data) or (root = NULL)
return root
else if (item < root → data)
return Search(root → left, item)
else
return Search(root → right, item)
END if
Step 2 - END
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define a function getlength() that takes two parameters passed by reference. the function reads two integers from input as kilometers and meters in this order. the function does not return any value. ex: if the input is 25 800, then the output is: 25 kilometers and 800 meters
A getlength() function that accepts two reference-passed parameters.
#include<iostream>
using namespace std;
void GetLength(int &usrFeet,int &usrInches)
{
cin>>usrFeet>>usrInches;
}
int main()
{
int usrFeet;
int usrInches;
GetLength(usrFeet,usrInches);
cout<<usrFeet<<" feet and "<<usrInches<<" inches" <<endl;
return 0;
}
What is a parameter?The values that are passed to a function are designated by parameters. Three parameters might be required for a function, for instance, to add three numbers. There is a name for a function, and other places in a program can call it. A discussion is what results from that information being passed. Functions can typically have a number of parameters in today's programming languages.
Every function parameter has a type, an identifier, and a comma to indicate the break between each parameter and the next. A function's arguments are passed in via the parameters. Every parameter that a function receives when it is called by a program is a variable. The value of each of the resulting arguments is copied into its corresponding parameter in a process call pass by value.
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Consider the following input:
This is the first line of text.
This is the second line of text.
Assuming you have a brand new Scanner object named scanner that was created to read from this text. Assume nothing has been read from the Scanner yet. If scanner.nextLine() is called, what will be returned?
This is the first line of text.
This is the first line of text, that will be returned.
A class called Scanner may be found in java. util package and is used to get input of primitive types like int, double, etc., as well as strings. Although it is the simplest method for reading input in a Java application, it is not very effective if you need an input method for situations where time is a factor, such as in competitive programming.
The preset object System. in, which represents the standard input stream, is typically passed when creating an object of the Scanner class. If we wish to read input from a file, we can give a thing of the class File.
The function to utilize is next XYZ to read numerical values of a particular data type XYZ ().
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assign a variable solveequation with a function expression that has three parameters (x, y, and z) and returns the result of evaluating the expression y 4 * z - x.
Below is the code for the given problem in which we created a method solveEquation, which returns the result of evaluating the expression.
Coding part:
function solveEquation(x, y,z) {
return z - y + x * 2;
}
solveEquation(2,4,5.5);
output:
5.5( 5.5-4+2*2)
What is Expression in Code?
Expressions in computer science are written by developers, interpreted by computers, and 'evaluated.'
The evaluation yields a result or return. Expressions in code include simple mathematical equations like 2 + 2. They are commonly referred to as arithmetic expressions.
Variables can be used in other types of numerical or arithmetic expressions to make them look like algebra equations. Furthermore, various data types such as characters, strings, integers, floating point numbers, and others can be acted on as constants or variables in expressions.
The operators and functions in an expression determine how the computer will act on the objects in the expression.
String expressions evaluate to character strings, and functions change the text and character strings to produce a different result.
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TRUE/FALSE Assume N and hashCode are positive and N is an integer of power of 2, hashCode % N is the same as hashCode & (N - 1).
Assume N and hashCode are positive and N is an integer of power of 2, hashCode % N is the same as hashCode & (N - 1) is true.
What type of value is returned by the hashCode () method?HashCode(), in its simplest form, simply returns an integer value produced by a hashing algorithm. The hash code must match for objects that are the same (as determined by their equals()).They check hash values using the hashCode() function.If equals() is overridden, hashCode() need not be as well. If hashCode() is overridden, equals() does not need to be as well. No matter what object called hashCode(), it can always return the same result.The hashCode() method's declaration is provided below: hashCode() is a public function that is available to everyone (int value)To learn more about HashCode() refer to:
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If you need to take a printout of a report, how can you specify the paper size you re using?.
When using a printer, users can typically specify the paper size by selecting it from the printer settings. Depending on the printer, users may need to go into the printer settings menu, or select the paper size from a drop-down menu in the print dialog box.
The Importance of Specifying Paper Size When PrintingPrinting documents is a common practice for many people and businesses, yet it is often taken for granted. Choosing the right paper size for a print job is essential to ensure that the document looks professional and meets the requirements of the recipient. Selecting the wrong paper size can lead to documents that are too small or too large, which can make them difficult to read and can be a source of embarrassment.
The paper size selection process is relatively straightforward. When printing, users should select the paper size that is most appropriate for their document. For example, standard 8.5x11 inch paper is often used for letters, while larger 11x17 inch paper may be used to print documents with multiple pages. In addition, paper sizes can vary by region and country, so it is important to select the paper size that matches the location where the document will be sent.
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Although ________ satellites are the most expensive to build and launch, they also have the longest orbital life of many years.