What is the channel capacity for a teleprinter channel with a 300 Hz bandwidth and a signal-to-noise ratio of 30dB, where the noise is white thermal noise?
Answers
Answer:
The answer is 2988 bits per seconds
Explanation:
Solution
Given that:
Bandwidth (B) = 300Hz
Signal to noise ratio (SNR) = 30dB
Now let C = channel capacity
Using Deubel formula we have the following:
SNR db = 10* log (SNR)
30 =10* log (SNR)
So,
SNR =log^⁻1 (3)
SNR = (10)^3
SNR = 1000
Thus SNR =1000
Now
Applying the Shannon's equation
C = B * log₂ ( 1 + SNR)
C = 300 * log₂ ( 1 + 1000)
C = 300 * log₂ (1001)
C = 300 * 9.96
C =2988
Hence the capacity of the channel for teleprinter channel is 2988 bits per second.
Related Questions
NEEED HELP WILL MARK BRAILY AND 100 POINTS FOR ANSWER!!!!
Marcus needs to add a query for multiple tables in his database. He is using Access 2016. Which tab should he use
to add the query?
Home
External data
Create
Database tools
Answers
Answer:
Database tools
Explanation:
He is using Access 2016 Database tools are the tab that should he use for the add a query for multiple tables in his database.
What is In databases?Databases and a desk is hard and fast of records elements (values) the usage of a version of vertical columns (identifiable with the aid of using the name) and horizontal rows, the cell being the unit wherein a row and column intersect.
Tables are database gadgets that incorporate all of the records in a database. In tables, records is logically prepared in a row-and-column layout much like a spreadsheet.
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What type of 3-phase connection requires only two transformers?
Answers
The use of two single-phase transformers to step down a high 3-phase voltage to a lower 3-phase voltage is possible using a rudimentary configuration dubbed an "open delta."
What is a single-phase transformer?For industrial applications, three phase transformers perform significantly better. Most heating, air conditioning, lighting, and house applications employ single phase systems in residential settings. When compared to low-power industrial systems and machines, they are less productive. A specific type of transformer called a single phase transformer functions using only one phase of power. This device carries electrical power from one circuit to another by the mechanism of electromagnetic induction. It is a passive electrical device. A transformer cannot change single-phase electricity into three-phase power, even if single-phase power can be produced from a three-phase power source. Phase converters or variable frequency drives are needed to convert single-phase electricity to three-phase power.To learn more about single phase transformers, refer to:
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some commonly used word processors are ____ and _____
Answers
Answer:
Microsoft Word and Word doc if I understood the question correctly
Some commonly used word processors are Microsoft Word and Apple Page.
What is word processor?A word processor is a tool or computer application that allows for the entry, editing, formatting, and output of text.
It frequently includes some extra functionality as well. Current word processors are word processor programs operating on general purpose computers as opposed to the standalone machines that the earliest word processors were.
Microsoft Word, Docs, Apple Pages, and LibreOffice Writer are some examples of word processing software.
There are three different kinds of word processors: electronic, mechanical, and software.
Thus, these are some commonly used word processors.
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Enter a formula in cell C8 that divides the product of cells C5 through C7 by cell C4.
Answers
Answer: =(C5*C6*C7)/C4
Which type of worker has a career that can be important in both maintenance/operations services and construction services
Answers
The type of worker that has a career that can be important in both maintenance/operations services and construction services is a skilled tradesperson.
Skilled tradespeople are individuals who are trained and experienced in a particular craft or trade, such as plumbing, electrical work, HVAC, carpentry, and masonry, among others.
In maintenance/operations services, skilled tradespeople are essential for repairing and maintaining buildings, equipment, and systems.
They are responsible for diagnosing and fixing problems, ensuring that equipment is functioning properly, and making sure that buildings and facilities are safe and operational.
In construction services, skilled tradespeople play a crucial role in the construction process.
They are responsible for building and installing various components of a construction project, such as framing, plumbing, electrical wiring, and HVAC systems.
They work closely with architects, engineers, and other construction professionals to ensure that projects are completed on time, on budget, and according to specifications.
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Which of the following guidelines about the subject line of e-mail messages is most appropriate?
1: Avoid using a subject line unless the e-mail is very important.
2: Use the subject line wisely to let your reader know the main purpose of the e-mail.
3: Try to keep the subject line very short, such as just one or two words.
4: Make sure you provide all the details in the subject line in case the receiver does not have time to read the whole e-mail.
Answers
Answer: 2: Use the subject line wisely to let your reader know the main purpose of the e-mail.
============================================================
Explanation:
The subject line is like the title of a book. You want to give a quick sense of what the email is about, but you also don't want to put the entire contents of the book in the title. The subject line only has so much room. Even less room is available if the reader is checking their email on their mobile device.
Choice 1 is false because subject lines are important. I can't think of a case where you can omit the subject line entirely (ie leave it blank), unless it's a situation where the recipient knows in advance what the topic is about. Though that may be rare.
Choice 3 is false. Yes you want to keep the subject line short, but you also don't want to be cryptic or confusing. If you can get away with using 1 or 2 words, then go ahead and do so. However, you may need more words to convey the topic of the email. Go with what feels right and try to put yourself in the shoes of the person reading your email. Ask yourself "Does this convey the message I want to send?"
Choice 4 is false. As mentioned, you do not want to put the entire email in the subject line. The exception of this rule is that if the email is really really short. For every other case, you should have a fairly short title and then go over the details in the email main body itself.
Answer:
Use the subject line wisely to let your reader know the main purpose of the e-mail.
Explanation:
i got it right on edge 2021
• List 2 examples of media balance:
Answers
Answer: balance with other life activities
spending time with family
studying / school work
Explanation:
slide rule short note
Answers
A slide rule is a mechanical device used in mathematical calculations, particularly in engineering, science, and mathematics.
It consists of two parts: the fixed outer and the movable inner slide, each of which contains logarithmic scales. The scales are arranged in a way that allows the user to perform various calculations, such as multiplication, division, roots, and trigonometric functions.
The slide rule can be used for basic arithmetic operations as well as complex calculations. It is a versatile and portable tool that does not require any batteries or electricity, making it useful in various situations.
However, with the advent of electronic calculators and computers, the use of slide rules has diminished significantly. Despite this, slide rules remain popular among enthusiasts who appreciate the mechanical intricacy and historical significance of these devices.
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4. What information is in the payload section of the TCP segments?
Answers
The actual data being transferred, such as the content of a web page, an email message, or a file transfer, is contained in the payload part of the TCP segments.
The content of a TCP segment is what?A segment header and a data chunk make up a TCP segment. There are ten required fields and one optional extension field in the segment header (Options, pink background in table). The payload data for the application is carried in the data section, which comes after the header.
What is the TCP Wireshark payload size?In established mode, a packet's maximum payload size is 1448 bytes (1500 - 20 IP header - 32 TCP header).
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Create a SQL query that will update the postal code of any owner whose current postal code is 32935. Change it to 32940. After clicking Run for the query, take a screenshot of the Access window showing how many rows are about to be updated and paste it in the space provided below. DO NOT CLICK YES WITHOUT TAKING YOUR SCREENSHOT FIRST!
Answers
Answer:
UPDATE owners
SET postal_code = '32940'
WHERE postal_code = '32935';
Explain what piracy is and how it relates to video games. Why is it such a problem, and in what ways do you think it can hurt the industry? Who stands to be impacted by the effects of piracy? Briefly explain what is currently being done to stop piracy, and suggest an idea for how you think piracy could be stopped, or at least minimized, in the future.
Answers
Answer:
Piracy is when a duplicate copy of original game/music etc is created by anyone. It is a problem because the original content creator does not get money, and the comtent quality is not that good. Now, there are legal laws to help prevent this from happening. I think this could be stopped if there is more security in the original content.
5) The City Jail Technologies Department is constructing an application to allow users in the Crime Analysis Unit to query data more easily. This system requires creating a number of views, described in the following list. Provide the SQL statement to perform each task and test your views with a query.
a) Create a statement that always returns the names of the three criminals with the highest number of crimes committed.
b) Create a view that includes details for all crimes, including criminal ID, criminal name, criminal parole status, crime ID, date of crime charge, crime status, charge ID, crime code, charge status, pay due date, and amount due. This view shouldn’t allow performing any DML operations. Each time the view is used in the application, the data should be queried from the database. (For example, each use of the view should reflect the most current data in the database.)
Answers
Answer:
the Answer is A hope it helps
Explanation:
quick IM BEGGING
What is the value of the variable result after these lines of code are executed?
>>> a = 12
>>> b = 0
>>> c = 2
>>> result = a * b - b / c
0
0
It has no value since an error occurred.
It has no value since an error occurred.
20
20
6
6
Answers
Answer:
Explanation:
The value of the result variable after these lines of code are executed is -0.0.
Answer:
The value of result after these lines of code are executed would be 0.
Explanation:
This is because the expression a * b - b / c is evaluated as follows:
result = a * b - b / c
= 12 * 0 - 0 / 2
= 0 - 0
= 0
No errors occur in this code, so result will have a value of 0.
hi um... i just wanna say hi :P
Answers
hi hope ur having a good day / night :D
Computer applications
Answers
Answer:
please tell the question clearly
Corrine is writing a program to design t-shirts. Which of the following correctly sets an attribute for fabric? (3 points)
self+fabric = fabric
self(fabric):
self = fabric()
self.fabric = fabric
Answers
The correct option to set an attribute for fabric in the program would be: self.fabric = fabric
What is the programIn programming, defining an attribute involves assigning a value to a particular feature or property of an object. Corrine is developing a t-shirt design application and intends to assign a characteristic to the t-shirt material.
The term "self" pertains to the specific object (i. e the t-shirt) which Corrine is currently handling, as indicated in the given statement. The data stored in the variable "fabric" represents the type of material used for the t-shirt.
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As you know computer system stores all types of data as stream of binary digits (0 and 1). This also includes the numbers having fractional values, where placement of radix point is also incorporated along with the binary representation of the value. There are different approaches available in the literature to store the numbers having fractional part. One such method, called Floating-point notation is discussed in your week 03 lessons. The floating point representation need to incorporate three things:
• Sign
• Mantissa
• Exponent
A. Encode the (negative) decimal fraction -9/2 to binary using the 8-bit floating-
point notation.
B. Determine the smallest (lowest) negative value which can be
incorporated/represented using the 8-bit floating point notation.
C. Determine the largest (highest) positive value which can be
incorporated/represented using the 8- bit floating point notation.
Answers
Answer:
A. Encode the (negative) decimal fraction -9/2 to binary using the 8-bit floating-point notation.
First, let's convert -9/2 to a decimal number: -9/2 = -4.5
Now, let's encode -4.5 using the 8-bit floating-point notation. We'll use the following format for 8-bit floating-point representation:
1 bit for the sign (S), 3 bits for the exponent (E), and 4 bits for the mantissa (M): SEEE MMMM
Sign bit: Since the number is negative, the sign bit is 1: 1
Mantissa and exponent: Convert -4.5 into binary and normalize it:
-4.5 in binary is -100.1. Normalize it to get the mantissa and exponent: -1.001 * 2^2
Mantissa (M): 001 (ignoring the leading 1 and taking the next 4 bits)
Exponent (E): To store the exponent (2) in 3 bits with a bias of 3, add the bias to the exponent: 2 + 3 = 5. Now, convert 5 to binary: 101
Now, put the sign, exponent, and mantissa together: 1101 0010
So, the 8-bit floating-point representation of -9/2 (-4.5) is 1101 0010.
B. Determine the smallest (lowest) negative value which can be incorporated/represented using the 8-bit floating-point notation.
To get the smallest negative value, we'll set the sign bit to 1 (negative), use the smallest possible exponent (excluding subnormal numbers), and the smallest mantissa:
Sign bit: 1
Exponent: Smallest exponent is 001 (biased by 3, so the actual exponent is -2)
Mantissa: Smallest mantissa is 0000
The 8-bit representation is 1001 0000. Converting this to decimal:
-1 * 2^{-2} * 1.0000 which is -0.25.
The smallest (lowest) negative value that can be represented using the 8-bit floating-point notation is -0.25.
C. Determine the largest (highest) positive value which can be incorporated/represented using the 8-bit floating-point notation.
To get the largest positive value, we'll set the sign bit to 0 (positive), use the largest possible exponent (excluding infinity), and the largest mantissa:
Sign bit: 0
Exponent: Largest exponent is 110 (biased by 3, so the actual exponent is 3)
Mantissa: Largest mantissa is 1111
The 8-bit representation is 0110 1111. Converting this to decimal:
1 * 2^3 * 1.1111 which is approximately 1 * 8 * 1.9375 = 15.5.
The largest (highest) positive value that can be represented using the 8-bit floating-point notation is 15.5.
Explanation:
Which of the following statements are true about how technology has changed work? Select 3 options. Responses Businesses can be more profitable by using communication technology to reduce the costs of travel. Businesses can be more profitable by using communication technology to reduce the costs of travel. With the spread of technology and the Internet, smaller businesses are not able to compete as effectively as before. With the spread of technology and the Internet, smaller businesses are not able to compete as effectively as before. In a gig economy, workers are only hired when they are needed for as long as they are needed. In a gig economy, workers are only hired when they are needed for as long as they are needed. Through the use of the Internet and collaboration tools more workers are able to perform their jobs remotely. Through the use of the Internet and collaboration tools more workers are able to perform their jobs remotely. Technology has not really changed how businesses operate in the last fifty years. Technology has not really changed how businesses operate in the last fifty years.
Answers
The three genuine statements almost how technology has changed work are:
Businesses can be more productive by utilizing communication technology to decrease the costs of travel. This can be genuine since advances like video conferencing and virtual gatherings permit businesses to conduct gatherings, transactions, and collaborations remotely, lessening the require for costly travel courses of action.With the spread of technology and the Web, littler businesses are not able to compete as successfully as some time recently. This explanation is genuine since innovation has empowered bigger companies to use their assets and reach a worldwide advertise more effortlessly, making it challenging for littler businesses to compete on the same scale.Through the utilize of the Web and collaboration devices, more laborers are able to perform their occupations remotely. This explanation is genuine as innovation has encouraged farther work courses of action, allowing employees to work from anyplace with an online association. Collaboration instruments like extend administration computer program and communication stages have made inaccessible work more doable and effective.Technology explained.
Technology alludes to the application of logical information, aptitudes, and devices to form innovations, fathom issues, and move forward proficiency in different spaces of human movement. It includes the improvement, usage, and utilize of gadgets, frameworks, and processes that are outlined to achieve particular assignments or fulfill specific needs.
Technology can be broadly categorized into distinctive sorts, such as data technology, communication technology, therapeutic innovation, mechanical technology, and transportation technology, among others. These categories include different areas, counting computer science, hardware, broadcast communications, building, and biotechnology.
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If the pictures are not the same size when they are selected from a file,
PowerPoint will use AutoCorrect so they are the same size.
the picture will be overcorrected.
these pictures will remain the size as in the file.
the layout should be fit to the slide.
Answers
Answer:
The correct answer is C) the pictures will remain the size as in the file
Explanation:
Microsoft Office PowerPoint is a multi-media presentation tool. It supports, videos, pictures, and hyperlinks.
When a picture is inserted by selection from a file, PowerPoint does not automatically resize. The editor or user will need to manually adjust the size(s) of the picture(s) to fit the dimensions they require.
Cheers
Which of the following extracts service account credentials from Active Directory using a brute force for offline cracking over a non-secure network by using tickets or service principal names (SPNs)?
-Kerberoasting
-Credentials in LSASS
-Unattended installation
-DLL hijacking
Answers
Option A,
Kerberoasting is the extraction of service account credentials from Active Directory through brute force for offline cracking over a non-secure network by using tickets or service principal names (SPNs).Hence, the correct answer is Kerberoasting.
The technique is referred to as “Kerberoasting” since it is based on extracting Kerberos tickets. Kerberoasting is an attack technique that has been in use for a long time, and it continues to be a common technique among attackers.Kerberos is a computer network authentication protocol that uses a trusted third party to verify user credentials. It relies on the use of “tickets” to verify the identity of the user attempting to access a network resource. Kerberos is used by Active Directory (AD) domain controllers to authenticate client and service credentials for access to network resources. An SPN is a unique identifier that specifies the name of a network service associated with a specific host. It’s used to determine which service an authenticated user has access to. SPNs are used by Kerberos to determine the service account that is required for a specific network service. An SPN is made up of three components: the protocol, the service class, and the host name.
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Why do many question and answer sites require accounts to use and wont show you the answer unless you login? Like quora for example, I HAVE to use my main email just to know the answer to a simple question. I know its not school related but many of the sites for these questions are restricted by the school.
Answers
Answer:t depends on whether or not the website is secure and it's a well-known website. Or it could be a scam. Unfortunately we all have to worry about that now. If ...
4 answers
·
12 votes:
if you give them your email address along with your password of course t
Explanation:
What is open source software?
Answers
Answer:
Open source software is free, modifiable, and is able to be redistributed. It is beneficial to those wanting to customize the software to suit their purposes as it can be easily shared and redistributed.
Explain in brief terms some of the technology and developments that were important in the history and development of the Internet
Answers
Answer: The Internet started in the 1960s as a way for government researchers to share information. ... This eventually led to the formation of the ARPANET (Advanced Research Projects Agency Network), the network that ultimately evolved into what we now know as the Internet.
Have a nice day ahead :)
xamine the following output:
Reply from 64.78.193.84: bytes=32 time=86ms TTL=115
Reply from 64.78.193.84: bytes=32 time=43ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=47ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=44ms TTL=115
Reply from 64.78.193.84: bytes=32 time=73ms TTL=115
Reply from 64.78.193.84: bytes=32 time=46ms TTL=115
Which of the following utilities produced this output?
Answers
The output provided appears to be from the "ping" utility.
How is this so?Ping is a network diagnostic tool used to test the connectivity between two network devices,typically using the Internet Control Message Protocol (ICMP).
In this case, the output shows the successful replies received from the IP address 64.78.193.84,along with the response time and time-to-live (TTL) value.
Ping is commonly used to troubleshoot network connectivity issues and measureround-trip times to a specific destination.
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What type of structure is this?
Answers
Note that these structures belong to Nano technology and allotropes.
What type of bonding do allotropes have?
Carbon atoms are connected by strong covalent bonds in all three allotropes, but in such varied patterns that the characteristics of the allotropes are significantly different.
Allotropes are several forms of the same element in the same physical condition. Carbon allotropes include diamond and graphite. They are both large covalent structures made up of numerous carbon atoms connected together by covalent bonds.
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Full Question:
See attached image.
What is the website that was the primary catalyst for growing electronic government, and is the official U.S. gateway to all government information
Answers
Answer:
FirstGov.gov
Explanation:
FirstGov.gov is the website that was the primary catalyst for growing electronic government, and is the official U.S. gateway to all government information.
FirstGov.gov is the U.S. government's official web portal. This website can be used to find information regarding citizens, business, government employees, and visitors to the U.S.
In which sections of your organizer should the outline be located?
Answers
The outline of a research proposal should be located in the Introduction section of your organizer.
Why should it be located here ?The outline of a research proposal should be located in the Introduction section of your organizer. The outline should provide a brief overview of the research problem, the research questions, the approach, the timeline, the budget, and the expected outcomes. The outline should be clear and concise, and it should be easy for the reader to follow.
The outline should be updated as the research proposal evolves. As you conduct more research, you may need to add or remove sections from the outline. You may also need to revise the outline to reflect changes in the project's scope, timeline, or budget.
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Write a converter program for temperatures. This program should prompt the user for a temperature in Celsius. It should then convert the temperature to Fahrenheit and display it to the screen. Finally, it should convert the Fahrenheit temperature to Kelvin and display that to the screen.
Answers
Answer:
c = float(input("Enter the temperature in Celsius: "))
f = c * 1.8 + 32
print("The temperature in Fahrenheit: " + str(f))
k = (f - 32) / 1.8 + 273.15
print("The temperature in Kelvin: " + str(k))
Explanation:
*The code is in Python.
Ask the user to enter the temperature in Celsius
Convert the Celsius to Fahrenheit using the conversion formula and print it
Convert the Fahrenheit to Kelvin using the conversion formula and print it
You are working as a marketing analyst for an ice cream company, and you are presented with data from a survey on people's favorite ice cream flavors. In the survey, people were asked to select their favorite flavor from a list of 25 options, and over 800 people responded. Your manager has asked you to produce a quick chart to illustrate and compare the popularity of all the flavors.
which type of chart would be best suited to the task?
- Scatter plot
- Pie Chart
- Bar Chart
- Line chart
Answers
In this case, a bar chart would be the most suitable type of chart to illustrate and compare the popularity of all the ice cream flavors.
A bar chart is effective in displaying categorical data and comparing the values of different categories. Each flavor can be represented by a separate bar, and the height or length of the bar corresponds to the popularity or frequency of that particular flavor. This allows for easy visual comparison between the flavors and provides a clear indication of which flavors are more popular based on the relative heights of the bars.
Given that there are 25 different ice cream flavors, a bar chart would provide a clear and concise representation of the popularity of each flavor. The horizontal axis can be labeled with the flavor names, while the vertical axis represents the frequency or number of respondents who selected each flavor as their favorite. This visual representation allows for quick insights into the most popular flavors, any potential trends, and a clear understanding of the distribution of preferences among the survey participants.
On the other hand, a scatter plot would not be suitable for this scenario as it is typically used to show the relationship between two continuous variables. Pie charts are more appropriate for illustrating the composition of a whole, such as the distribution of flavors within a single respondent's choices. Line charts are better for displaying trends over time or continuous data.
Therefore, a bar chart would be the most effective and appropriate choice to illustrate and compare the popularity of all the ice cream flavors in the given survey.
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ways to ask for help effectively include
a. ask with clarity b.ask with sincerity c. ask with an open mind d. all of these choices
Answers
Answer:
All of these choices
Explanation:
Clarity → the quality of being coherent and intelligible.
Sincerity → the quality of being free from pretense, deceit, or hypocrisy
Open mind → Open-mindedness is receptiveness to new ideas.