which of the following is not an operating system? A) DOS B) MS-word C) Windows d.) Linux
DOS is not an operating system.
What is Operting System?Microsoft's main operating system, Windows, is the industry norm for personal and commercial computers.
The GUI-based OS was first introduced in 1985 and has subsequently been published in numerous iterations. The rapid growth of personal computing was primarily attributed to the approachable Windows 95.
An operating system with multiple users called Unix was created to be flexible and adaptable. One of the earliest operating systems written in the C language was Unix, which was created in the 1970s.
Therefore, DOS is not an operating system.
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Why was the ipv6 protocol created for ip addresses?
Which command provides the source reference at the bottom of the current page of a document?
A.Citation
B.Endnote
C.Footnote
D.Reference
A footnote is often the text or not seen at the bottom of a page, whereas an end note is a note found at the end of a paragraph. The content at the bottom of a page is never referred to as a “end note,” even though some people call the notes at the end of a text “footnotes.” Later, you can come back to this article. Thus option A correct.
What command provides source reference at the bottom?The word “footnote” can also refer to a remark or a reference to a source of information that appears at the bottom (or foot) of a page. A reference is made using the footnote referencing system by: Adding a tiny number above the line of text that immediately follows the source.
Therefore, Select Insert Footnote under References. Both a reference mark and a footnote mark are added by Word at the bottom of the page. The text for the footnote.
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Write a program, using the syntax of whatever language you like, that produces different behavior depending on whether pass-by-reference or pass-by-value-result is used in its parameter passing.
Graphical elements that precede each item in a list are known as __________.
a. captions
b. call-outs
c. buttons
d. wikis
e. bullets
The answer in the space provided is the bullets as this is the graphic elements that are used in each items that is organized in a list in a way of making the list more clearer and more presentable with the given indications or symbols.
Graphical elements that precede items in a list are known as bullets, which help organize content and make it more accessible and understandable.
Explanation:The graphical elements that precede each item in a list are known as bullets. When formatting a list with bullets or numbers, you are essentially organizing the content and making it easier to read and understand. Bulleted lists, where each item is preceded by a bullet symbol such as a dot, square, check mark, or custom character, are used to highlight items of equal importance without implying a sequence or priority. Numbered lists, on the other hand, suggest a specific order or hierarchy. Proper use of bulleted and numbered lists can improve the accessibility and clarity of a document or presentation. For instance, lists with bullets are often used in texts to ensure that content is easily navigable and digestible for the audience, including screen reader users.
Consider ________ when designing for display on a mobile device. font size all of these contrast small screen size
Answer:
all of these
Explanation:
Good application design is one that considers the knowledge the consumer already has. In this regard, application designs that value the platforms for which they were developed are valued and use conventions that are already rooted in people's minds. That's why it's important to consider color patterns, typography, responsive design, and platforms when developing an application.
Let's assume that the smallest possible message is 64 bytes (including the 33-byte overhead). if we use 100base-t, how long (in meters) is a 64-byte message? while electricity in the cable travels a bit slower than the speed of light, once you include delays in the electrical equipment in transmitting and receiving the signal, the effective speed is only about 40 million meters per second. (hint: first calculate the number of seconds it would take to transmit the frame then calculate the number of meters the signal would travel in that time, and you have the total length of the frame.)
As we know that 10-bAse data travels at the rate of 10 mbps, therefore at 1 sec we have 10240 bytes.
We have to calculate for 64 bytes travelling in one second. Multiply both sides by 64.
64 sec = 10240 x 64 bytes
64 bytes = 64 / 10240 sec
Now we have to calculate for light of speed
1 sec = 186000 miles
Substitute this value to the formula above
64 bytes = 64 / 10240 x 1 sec = 64 / 10240 x 186000 miles = 64 / 10240 x 186000 x 5280 feet = 6138x10^3 feet
Therefore, 64 bytes is equal to 6138 x 10^3 feet long message
In the linux bash shell, the ____ key combination moves the cursor to the beginning of the command line
What are the major types of computer software used in business and the major software trends?
Answer:
Every day, we come across different types of computer software that helps us with our tasks and increase our efficiency. From MS Windows that greets us when we switch on the system to the web browser that is used to surf the internet or the games that we play on our computer to the calorie burn counter on our smartphone, are all examples of software. In this world of technology, we even come across various software development trends that help our business to grow, we are surrounded by all these software which are determined to make our lives easier. By definition, a Software (also abbreviated as an SW or S/W) is a collection of data, programs, procedures, instructions, and documentation that perform various predefined tasks on a computer system. They enable users to interact with the computer.
Explanation:
The major types of computer software used in business and the major software trends are:
word processing programs.accounts software.billing software.payroll software.What is computer software?The software includes MS Windows, which welcomes us when we turn on the computer, the web browser we use to browse the internet, the games we play on our computers, and the calorie counter on our smartphones.
In this technological age, we even encounter a variety of software development trends that support the expansion of our businesses. We are surrounded by software that aims to improve our quality of life.
Software is by definition a group of data, programs, processes, instructions, and documentation that carry out certain preset activities on a computer system (sometimes referred to as a SW or S/W). Users can communicate with the computer thanks to them.
Therefore, the major types of computer software are:
accounts software.
billing software.
payroll software.
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Which of the following is the best subject line for an e-mail sent to co-workers about rescheduling a team meeting?
When working in Excel Online, what Ribbon has the command to add a hyperlink?
Home
Insert
Review
View
The correct answer is B) the insert tab
Suppose that a system uses 16-bit memory words and its memory is built from 32 1m à 8 ram chips. how many address bits are required to uniquely identify each memory word
When sharing a file or folder with someone not in your __________ , you need to input the __________ of the recipient.
contacts, location
group, name
mail, title
people, email
What does a professional programmer usually do first to gain an understanding of a problem?
Answer and explanation:
Before even starting encoding, a professional programmer should find out what is the customer looking for to have a general idea of what the programming will be like. This does not imply during the process of encoding the professional will not take the customer idea's into consideration to get to the final work result.
Semiconductor memory is used mainly for primary storage even with its high cost. In another hand, the magnetic tape is the cheapest storage media and it is commonly preferred only as backup storage! Use your own words to discuss how the storage cost, speed and capacity trade-offs can affect the choice of storage media.
Most types of semiconductor memory have the property of random access,which means that it takes the same amount of time to access any memory location. This means that data can efficiently be accessed in any random order.This contrasts with data storage media such as hard disks and CDs which read and write data consecutively therefore, explains why the data can only be accessed in the same sequence it was written.
Semiconductor memory also has much faster access times than other types of data storage; a byte of data can be written to or read from semiconductor memory within a few nanoseconds, while access time for rotating storage such as hard disks is in the range of milliseconds. For these reasons it is used for main computer memory (primary storage), to hold data the computer is currently working on, among other uses.
Storage costs are a big factor in choosing the type of storage media, especially for larger projects and firms. Tasks that require large backups tend to move to magnetic (tape) memory because of the relatively low cost and high overall storage capacity. However, when working with projects that require faster memory and access that is instantaneous, chip memory, even at a higher cost, is more preferable since it is always accessible.
Why are computer manufacturers constantly releasing faster computers? how do computer users benefit from the increased speed?
Computer manufacturers release faster computers to enhance overall system performance, enabling users to experience improved efficiency, faster task execution, and better capabilities in handling resource-intensive applications.
Explanation:Computer manufacturers continually strive to advance hardware technology, releasing faster computers to keep up with the growing demands of modern software and applications.
Increased processor speed, expanded memory, and optimized components contribute to enhanced overall system performance. This translates to faster task execution, quicker response times, and improved multitasking capabilities for users.
Faster computers are particularly beneficial in various scenarios. In everyday tasks such as web browsing and document editing, users experience a noticeable boost in speed, making their interactions with the computer more seamless and responsive.
Moreover, resource-intensive applications like video editing, 3D rendering, and gaming benefit significantly from increased processing speed. Faster computers enable users to work with larger files, run complex simulations, and enjoy high-quality graphics without experiencing lags or delays.
Furthermore, the continuous improvement of computer speed supports advancements in emerging technologies.
It enables the efficient execution of artificial intelligence algorithms, facilitates faster data processing in scientific research, and contributes to the development of new, more sophisticated software applications.
In essence, the release of faster computers is a proactive response to the evolving needs of users and the expanding capabilities of software, ensuring that users can harness the full potential of their computing devices in an increasingly demanding digital landscape.
All programs and data located in ram are divided into fixed-length ____ or variable-length segments, depending on the operating system being used.
Almost all main border firewalls use ____ filtering as their primary filtering mechanism. a. unified threat management b. application proxy c. static packet filtering d. none of the above
What is the name for the type of flash memory that is used by mobile devices to store their apps and data?
a. sc card
b. microflash card
c. hard drive
d. solid state device?
Which of the following identifiers are valid? Which are Java keywords?
miles, Test, a++, 4#R, $4, #44, apps
class, int, x
Linux uses the freeware ____ shell as its default command interpreter.
Pointswhat is the primary reason ipv6 has not completely replaced ipv4?
Answer:
Honsetly I don't know and I just realized this question is from 2017,
Explanation:
Pointsyour company environment includes windows server versions 2003, 2008, and 2012. desktops range from windows xp and vista. to transition to ipv6, what versions have ipv6 support running by defailt?
A file concordance tracks the unique words in a file and their frequencies. write a program that displays a concordance for a file. the program should output the unique words and their frequencies in alphabetical order.
_________ involves encouraging employees to engage in behaviors directly related to goal accomplishment.
Semiconductor memory is used mainly for primary storage even with its high cost. In another hand, the magnetic tape is the cheapest storage media and it is commonly preferred only as backup storage! Use your own words to discuss how the storage cost, speed and capacity trade-offs can affect the choice of storage media
How many 32 bit integers can be stored in 16 byte cache block in matlab?
Alice wants to have a portrait painted of her family. What career pathway would be best for Alice to contact?
Alice should contact a professional portrait painter to create a family portrait that historically signifies status and personal identity. The artist should be skilled in capturing likenesses and incorporating significant symbolism, as seen in the historical context of portrait painting.
Explanation:Alice, who is interested in having a portrait painted of her family, should contact an artist who specializes in portrait painting. Historically, portrait painting has been a significant art form, with artists receiving specialized training to capture the likenesses and convey the status and wealth of their subjects. As seen in the work of Charles Willson Peale, who studied in England and painted the Cadwaladers, and the modern innovations of Alice Bailly with her intense colors and 'wool paintings,' the career pathway for Alice to pursue would be to engage a professional portrait painter.
Portraits could include familial possessions and use symbolism, as demonstrated by Frida Kahlo's increasingly symbolic and experimental self-portraits. The artist's education, expertise in capturing likeness, and ability to incorporate symbolic elements important to the family are critical in creating a portrait that accurately represents the family's image and status. From the classical training of painters in the new colonies to contemporary portrait artists, finding a skilled painter would be the best pathway for Alice to achieve a cherished family portrait.
Final answer:
Alice should look for a professional portrait artist skilled in painting family portraits. She can find a suitable artist by exploring local galleries, seeking art school recommendations, or contacting art institutions. The artist will create a work that captures her family's likeness and essence, reflecting a long history of portrait artistry.
Explanation:
If Alice wants to have a portrait painted of her family, the best career pathway to contact would be a professional portrait artist or portrait painter. Painting portraits has a rich history as a prestigious art form. In the past, portraits were a symbol of economic or religious status, often including items of personal significance to the subject to reinforce their status within the community. Over time, the training and education for artists have become more structured, elevating the craft to new artistic heights.
Artists like Charles Willson Peale, known for his commissioned family portraits, represented subjects with symbolic items and attire to indicate their wealth and virtues. Frida Kahlo's work, known for becoming more symbolic and experimental, is another excellent example of the depth and evolution of portrait painting. Alice Bailly’s approach with Fauvist influences and inventive techniques like 'wool paintings' further showcases the versatility and creativity found within this art form. A modern portrait artist merges these historical influences with contemporary styles, offering a personalized depiction that captures the essence of her family.
What command would you use to make a secure shell connection to the ubuntu client machine? ()?
d. Convert binary fraction .10112 to Decimal fraction.
The binary fraction .10112 is converted to the decimal fraction 0.687510 by multiplying each binary digit by the corresponding power of 2 and summing the results.
To convert the binary fraction .10112 to a decimal fraction, we need to multiply each binary digit by the corresponding power of 2 based on its position after the decimal point. The first digit after the binary point stands for 2-1, the second for 2-2, the third for 2-3, and so forth.
Here's how this conversion is done:
The first '1' in .10112 is [tex]1 x 2^-1[/tex] = 0.5
The next '0' is 0 x 2-2 = 0
The following '1' is [tex]1 x 2^-3[/tex] = 0.125
The last '1' is [tex]1 x 2^-4[/tex] = 0.0625
Add these values together to get the decimal equivalent:
0.5 + 0 + 0.125 + 0.0625 = 0.687510
So, the binary fraction .10112 equals the decimal fraction 0.6875.