(a) There are 658,008 possibilities for the five computers to fail. (b) There are 21 sets of failures that wipe out all copies of the file.
(a) To determine the number of possibilities for the five computers that fail, we can use the concept of combinations. We have 40 computers in total, and we need to choose 5 of them to fail. The formula for combinations is nCr = n! / (r!(n-r)!), where n is the total number of items and r is the number of items chosen. In this case, it would be 40C5 = 40! / (5!(40-5)!), which simplifies to 658,008.
(b) To calculate the number of 5-subsets that contain the three computers with the file, we can again use combinations. Since we know that the three computers with the file must be included in the 5-subset, we only need to choose the remaining 2 computers from the remaining 37. Thus, the calculation would be 37C2 = 37! / (2!(37-2)!), which simplifies to 666 sets. However, we need to exclude the case where all 5 computers fail, as this would wipe out the file. Therefore, the final answer is 666 - 1 = 21 sets.
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Complete Question
Suppose a network has 40 computers of which 5 fail.
(a) How many possibilities are there for the five that fail? (b) Suppose that 3 of the computers in the network have a copy of a particular file. How many sets of failures wipe out all the copies of the file? That is, how many 5-subsets contain the three computers that have the file?
There are dash types of symbols
Answer:
logo , pictogram, ideogram, icon, rebus, phonogram and typogram
Explanation:
they are forty symbols
Please help, this question is from plato.
What is the purpose of the domain name?
The domain name: (.net , .com , org , .gov)
is an example of a service provider. The domain name .gov.nz is an example of a (New york , New Zealand, news, commercial)
government website.
Answer:
New Zealand government
Explanation:
Answer:
.net is for service providers and .gov.nz is for new Zealand governement
Explanation:
The database model that uses a series of two-dimensional tables or files to store information is the ________________ model. This database model has become the most popular database structure, as it is used by most microcomputer DBMS packages:
Answer:
The relational database model
Explanation:
The database model that uses a series of two-dimensional tables or files to store information is the relational structure model.
What is the relational structure model?The relational model (RM) is known to be set up for database management as it is a method used in managing data via the use of a structure and language that are in line with first-order predicate logic.
Note that The database model that uses a series of two-dimensional tables or files to store information is the relational structure model.
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In order to create a string object, you must use the keyword new and explicitly call the class constructor.
It is more common and recommended to use string literals as they are more concise and efficient.
Actually, in Java, you don't always need to use the keyword "new" and explicitly call the class constructor in order to create a string object. You can create a string object using the following ways:
1. Using String literals: You can directly assign a value to a string variable using double quotes. For example:
```
String str = "Hello";
```
2. Using the String class constructor: You can create a string object by calling the String class constructor explicitly. For example:
```
String str = new String("Hello");
```
Both of these methods will create a string object. However, it is more common and recommended to use string literals as they are more concise and efficient.
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In____, all processors access the same (shared) memory and communicate and coordinate through an interconnection network.
Answer: multicomputer/multiprocess parallelism
Explanation: In multicomputer/multiprocess parallelism, all processors access the same (shared) memory and communicate and coordinate through an interconnection network.
Using style guidelines help a writer determine which topics to cover. arguments to cover. sources to cite. margin settings to apply.
Answer:
sources to cite.
Explanation:
A citation style guidelines is used by the writer to cite the sources of other writers in his/her work. These style guidelines are used in academic writings to acknowledge the rightful person of any thought or an idea, to avoid plagiarism.
Plagiarism, in simple terms, can be defined as an academic theft. It is an act in which a person uses other's thoughts and ideas to convey it as their own thoughts and idea. To avoid such academic crimes, various citation style guidelines are formes. Such as MLA, APA, etc.
So, the correct answer is 'sources to cite.'
Answer:
C
Explanation:
What is block palette
The first commercially available digital camera was which of the following?
Kodak Professional Digital Camera System
hope it helps
pls mark me as brainliest
Answer:
D
Explanation:
None of the above
A personal computer is also called _________ as it is one the smallest computers created for people
Answer:
The original computers were huge, often as big as a room in a building. Even today some business and scientific computers are huge. However any small computer now for home or desktop or laptop use is called a personal computer.
Explanation:
Answer:
it is also known as a microcomputer
examples of top down and bottom up design in software engineering
Answer:
. An example would include selecting a particular fastener, such as a bolt,
Explanation:
Which symbol should you use for entering a formula in a cell?
А.+
B.=
C. $
D.%
E#
Answer:
ITS + AND =
Explanation:
Answer:
Explanation: The equals operator is used in the Microsoft excel for the indication of formula in a cell .
Explanation:
a database object that makes it easier for a user to enter data by only showing one record at a time is called a .
A database object that makes it easier for a user to enter data by only showing one record at a time is called a form
What is the database?In the circumstances of databases, a form is a program that controls display component that specifies a organized and instinctive habit for consumers to list or edit data.
It shortens the process by giving a alone record at a opportunity, admitting consumers to devote effort to something the distinguishing news they need to recommendation or alter. Forms usually consist of fields or controls that pertain the various dossier details or attributes of the record.
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Let x = ["Red", 2.55,"Green", 3,"Black","false"], then solve the following:
1. The output of print(x) is
2. The output of print(len(x)) is
3. The output of print(x[10]) is
4. The output of print(x[1]+x[3]) is
Answer:
Print(x) would be directly calling the x variable so it would print everything but the []Print(x[10]) is calling the number 10 which results in E2 + d= 2dIt is a way of creating a name, symbol, color, and design to establish and differentiate a product from its prospect competitors
Answer:
Branding
Explanation:
The term that is being defined by the question is known as Branding. This is what companies do to products in order to allow customers to distinguish the product from the competitors similar products. Doing so allows a company to attract and maintain customers since a customer will see become aware of the branded product and buy it. If the purchasing experience goes well they will begin to associate the good experience with the brand and therefore with the company as well.
what is the main purpose of including a table of contents in a long document
The main purpose of including a table of contents in a long document is: C. To make it easy to locate a section of the document.
What is a document?In Computer technology, a document can be defined as a computer resource that is designed and developed to enable end users to easily store data as a single unit on a computer storage device.
In English literature, a document is sometimes referred to as a literary work and it can be defined as a text-based resource that is typically created by an author (writer) with specific information about a subject matter, topic, events, persons, etc.
In conclusion, a table of contents is typically used in long documents to organize and group parts of the documents into a logical and sequential form (order).
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Complete Question:
What is the main purpose of including a table of contents in a long document?
answer choices
To allow the document to be saved faster
To make it easy to print
To make it easy to locate a section of the document
To decrease the file size
// Test 4 - Uniqueness// Given an array of string, names, verify that each name is unique// mean that none of the names are duplicated within the array.// If the array is unique, return true; otherwise, return false// This is in C# and I can't use Console class or Convert class.
Here's a C# code that checks if an array of strings contains only unique names:
public static bool IsUnique(string[] names)
{
HashSet<string> uniqueNames = new HashSet<string>();
foreach (string name in names)
{
if (!uniqueNames.Add(name))
{
return false;
}
}
return true;
}
We first create a HashSet of strings named uniqueNames. A HashSet is a collection that contains no duplicate elements.
We then loop through each name in the input array using a foreach loop.
For each name, we use the Add() method of the HashSet to attempt to add the name to the set. If the name is already in the set, Add() will return false.
If Add() returns false, we know that the name is not unique, so we return false from the function.
If we reach the end of the loop without returning false, we know that all names are unique, so we return true from the function.
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In the summer of 2008, consumers indicated that they were less optimistic about the future of the economy. Such a change in sentiment is likely to Group of answer choices shift aggregate demand to the left. increase output. decrease unemployment. increase prices.
Such a change in sentiment, where consumers are less optimistic about the future of the economy, is likely to shift aggregate demand to the left.
shift aggregate demand to the left. A change in consumer sentiment indicating less optimism about the future of the economy is likely to result in a decrease in consumer spending and investment. This change in sentiment would lead to a decrease in aggregate demand, as consumers and businesses may reduce their purchases of goods and services. When aggregate demand shifts to the left, it indicates a decrease in the overall level of demand in the economy. This shift can result in reduced economic activity, lower output levels, and potentially higher unemployment rates as businesses may respond to lower demand by scaling back production and employment. Therefore, the most likely outcome of a decrease in consumer optimism about the future of the economy is a shift in aggregate demand to the left.
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What are practical things people can do to protect their privacy and security online? What can we do, and what can we avoid doing?
Please help this is due today and I really need help.
a subtotal row must contain at least one ________ function.
a subtotal row must contain at least one aggregation function. A subtotal row is used to display the results of aggregated data in a table or spreadsheet.
To calculate these aggregates, at least one aggregation function such as SUM, COUNT, AVERAGE, MIN, MAX, etc., is required. Without an aggregation function, a subtotal row would not make sense as it would simply repeat the data from the preceding rows. Aggregation functions perform calculations on a set of values and return a single value as the result. By using these functions in a subtotal row, we can summarize the data in a table and gain insights into the overall trends and patterns.
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you are the network administrator for a single domain with three subnets. two subnets have all windows 10 computers. the conference room uses the third subnet. traveling salesmen come to the conference room and plug in their laptops to gain network access. you have configured a dhcp server to deliver configuration information to hosts on this subnet. dns is configured for dynamic updates. over time, you notice that the size of the dns database continues to grow. it is beginning to have an adverse effect on dns server performance. what should you do?
if its beginning to have an adverse effect on dns database performance. you should Enable scavenging of stale resource records on the zone.
Which zone is used to determine a computer's IP address from its FQDN?A reverse lookup zone, as previously stated, is an authoritative DNS zone that is primarily used to resolve IP addresses to network resource names. This zone type can be primary, secondary, or AD-integrated.
What is the difference between a forward zone and a reverse zone in DNS?Reverse lookup zones resolve IP addresses to names and forward lookup zones resolve names to IP addresses. Forwarders on your DNS server can be used to route requests for which your DNS server does not have an authoritative answer.
What is the difference between a primary zone and a secondary zone in DNS?Primary DNS servers hold all relevant resource records for a domain and handle DNS queries. Secondary DNS servers, on the other hand, contain read-only zone file copies that cannot be modified.
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Within a word processing program, predesigned files that have layout and some page elements already completed are called
text boxes
templates.
frames
typography
Answer:
I think it's B) templates
Sorry if it's wrong I'm not sure!!
Explanation:
Within a word processing program, predesigned files that have layout and some page elements already completed are called: B. templates.
In Computers and Technology, word processor can be defined as a processing software program that is typically designed for typing and formatting text-based documents. Thus, it is an application software that avail end users the ability to type, format and save text-based documents such as .docx, .txt, and .doc files.
A template refers to a predesigned file or sample in which some of its page elements and layout have already completed by the software developer.
In this context, predesigned files in a word processing program, that have layout and some page elements already completed by the software developer is referred to as a template.
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Using an interrupt for a particular device will notify the CPU that an interrupt has occurred. Using polling for a particular device, the CPU will check the device to see if it needs serviced. True False Question 20 (4 points) If you want to have an interrupt set for triggering only on the rising edge of a logic signal then you will need to use which type of interrupt? Either type will work (External or Pin Change) Pin Change Interrupts (PCINT 0−23 ) External Interrupts (INT0 - INT7)
Set an interrupt to trigger only on the rising edge of a logic signal, you should use External Interrupts (INT0 - INT7). Pin Change Interrupts (PCINT 0−23) can be used for any level or edge changes.
Using an interrupt for a particular device notifies the CPU that an interrupt has occurred, whereas using polling requires the CPU to regularly check the device to see if it needs servicing. This statement is true.
If you want to have an interrupt set for triggering only on the rising edge of a logic signal, you will need to use External Interrupts (INT0 - INT7). Pin Change Interrupts (PCINT 0−23) can be used for any level or edge changes.
Let's break this down:
1. Interrupts: Interrupts are signals sent by devices to the CPU to request immediate attention. They allow the CPU to temporarily suspend its current task and handle the interrupt. This is useful for time-sensitive operations and efficient CPU utilization.
2. Polling: Polling involves the CPU repeatedly checking the device's status to determine if it requires service. This approach can be less efficient and introduce delays if the device is not serviced promptly.
3. Rising Edge: A rising edge refers to a transition from a low voltage to a high voltage level in a logic signal. For example, in a digital signal, the voltage rises from 0V to a higher level, indicating a change in state.
4. External Interrupts: External interrupts are triggered by external devices connected to specific interrupt pins on the microcontroller. They can be set to trigger on rising edges, falling edges, or level changes.
5. Pin Change Interrupts: Pin Change Interrupts are more flexible and can be triggered by any level or edge change on any pin of the microcontroller.
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A platform that facilitates token swapping on Etherium without direct custody is best know as:
A) Ethereum Request for Comments (ERC)
B) decentralized exchange (DEX)
C) Ethereum Virtual Machine (EVM)
D) decentralized autonomous organization (DAO)
The platform that facilitates token swapping on Ethereum without direct custody is best known as decentralized exchange (DEX).
A decentralized exchange is a type of exchange that enables peer-to-peer cryptocurrency trading without the need for intermediaries such as a centralized entity to manage the exchange of funds .What is a decentralized exchange ?A decentralized exchange (DEX) is a peer-to-peer (P2P) marketplace that enables direct cryptocurrency trading without relying on intermediaries such as banks or centralized exchanges.
Unlike centralized exchanges, which require a third party to hold assets, DEXs enable cryptocurrency transactions from one user to another by connecting buyers and sellers through a decentralized platform.As no third parties are involved, decentralized exchanges provide high security, privacy, and reliability. Main answer: B) Decentralized exchange (DEX).
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please help 75 points are available
Find the network, first address, last address, and broadcast address of different IP addresses given in the following table. Then fill in the respective values.
IP address 209.118.171.252/24, 48.107.19.142/10, 179.9.134.48/7
please help
Answer:
For each IP address, we will calculate the network, first address, last address, and broadcast address.
IP address 209.118.171.252/24:
The subnet mask is /24, which means that the first 24 bits of the IP address are part of the network address, and the remaining 8 bits are for hosts.
The network address can be calculated by ANDing the IP address with the subnet mask:
IP address: 209.118.171.252
Subnet mask: 255.255.255.0 (or /24 in CIDR notation)
Network address: 209.118.171.0
The first address in the subnet is the network address plus 1, and the last address is the broadcast address minus 1. The broadcast address can be calculated by ORing the network address with the bitwise NOT of the subnet mask.
First address: 209.118.171.1
Last address: 209.118.171.254
Broadcast address: 209.118.171.255
IP address 48.107.19.142/10:
The subnet mask is /10, which means that the first 10 bits of the IP address are part of the network address, and the remaining 22 bits are for hosts.
The network address can be calculated by ANDing the IP address with the subnet mask:
IP address: 48.107.19.142
Subnet mask: 255.192.0.0 (or /10 in CIDR notation)
Network address: 48.64.0.0
The first address in the subnet is the network address plus 1, and the last address is the broadcast address minus 1. The broadcast address can be calculated by ORing the network address with the bitwise NOT of the subnet mask.
First address: 48.64.0.1
Last address: 48.127.255.254
Broadcast address: 48.127.255.255
IP address 179.9.134.48/7:
The subnet mask is /7, which means that the first 7 bits of the IP address are part of the network address, and the remaining 25 bits are for hosts.
The network address can be calculated by ANDing the IP address with the subnet mask:
IP address: 179.9.134.48
Subnet mask: 254.0.0.0 (or /7 in CIDR notation)
Network address: 178.0.0.0
The first address in the subnet is the network address plus 1, and the last address is the broadcast address minus 1. The broadcast address can be calculated by ORing the network address with the bitwise NOT of the subnet mask.
First address: 178.0.0.1
Last address: 181.255.255.254
Broadcast address: 181.255.255.255
Which element is represented by the electron configuration in example B? Example B: 1s22s22p63s23p64s1 Aluminum Cesium Potassium Arsenic
Answer:
Potassium
Explanation:
potassium because all of the others are being used and potassium is not being used in example b
Answer:
It is potassium.
Explanation:
I just took the quiz and it was right.
How many bits would be needed to count all of the students in class today?
10 students in the class
Answer:
If you have 12 students in class you will need 4 bits.
Give five examples of top level domain
Answer: .com — Commercial businesses.
.org — Organizations (generally charitable).
.net — Network organizations.
.gov — U.S. government agencies.
.mil — Military.
.edu — Educational facilities, like universities.
Explanation:
Hope this helps!!! :)
All variables are----------------------------------------------- help please
Answer:
variables are any characteristics that can take on different values, such as height, age, species I think
Answer
A variable basically works as a "placeholder" for anything that might change a majority of the time.
Examples
In science one may call a factor in a experiment that is subject to change a variable.
In math the term is used for a symbol that we do not know yet, such as x or y. Typically in math a variable is a letter.
In computer programming, variables are used to store information to be referenced and used by a computer program. They do give a way of naming data with a descriptive name as well so programs can be understood more clearly. When you go to assign values to the "variable" you are basically assigning individual variables such as the ones above in a way.
An individual owns a dog grooming business and must pay self-employment tax on individual earnings.
Which type of legal structure makes self-employment tax a relevant concern?
Limited Liability companies C-Corporation
OS S-Corporation
Sole-proprietorship
The type of legal structure that makes self-employment tax a relevant concern is a sole proprietorship. It involves one single owner.
What is a sole proprietorship?The term 'sole proprietorship' refers to a type of business where there is one single owner.
In a sole proprietorship, the personal owner must pay income taxes depending on the amount of money he/she earned.
The sole proprietorship businesses are very common and this type of business increased in the last years.
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Which girl is he baddest 1. Shawty 2.Lisa 3.Ashley
Answer:
. . . . . . . S H A W T Y.. . .. . .