In user level threads, a system call by a thread may block all other threads of the process. Explain why
Answers
User-level threads share the same process resources, so a system call by one thread can block all other threads.
In user-level threads, multiple threads within a process share the same process resources, including the CPU. Since these threads are managed by the user-level thread library rather than the operating system, when a thread makes a system call that requires blocking (e.g., waiting for I/O or synchronization), it blocks the entire process, including all other threads. This is because the operating system schedules threads at the process level, not at the individual thread level. As a result, if one thread is blocked, all other threads in the process are also unable to execute until the blocking operation is completed. This limitation in user-level threads is a trade-off for their lightweight nature, as they don't require kernel involvement for thread management.
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Related Questions
Which of the following is not a general security recommendation when using social networking sites?a. Consider carefully who is accepted as a friend.b. Show "limited friends" a reduced version of your profile.c. Only access a social networking site on personal time.d. Disable options and then reopen them only as necessary.
Answers
Option c: Only access a social networking site on personal time, is not a general security recommendation when using social networking sites.
While it may be a good practice to only access social networking sites on personal time to avoid distractions during work hours, it is not a security recommendation. The other options are all valid security recommendations when using social networking sites.
a. Consider carefully who is accepted as a friend: It is important to only accept friend requests from people you know and trust. Malicious actors may use fake profiles to gain access to personal information and use it for fraudulent purposes.
b. Show "limited friends" a reduced version of your profile: It is recommended to limit the amount of personal information shared with individuals who are not in your immediate circle of friends and family. This can help prevent identity theft, cyberstalking, and other malicious activities.
d. Disable options and then reopen them only as necessary: It is recommended to disable any unnecessary options or features on social networking sites, such as geotagging, location sharing, and third-party app access. This can help reduce the risk of unauthorized access to personal information.
In summary, while it is not necessarily a security risk to access social networking sites during work hours, it is important to follow other security recommendations to protect personal information and privacy.
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To modify a report while viewing actual report data, use the ____ view.
a. Design
b. Layout
c. Print Preview
d. Report
Answers
To modify a report while viewing actual report data, the layout view is used. Therefore, option B is correct.
Layout refers to the arrangement and organization of various elements within the content. It encompasses the positioning of text, images, tables, charts, and other visual components on a page or screen.
It determines how the information is presented and structured, including factors such as font styles, sizes, colors, spacing, alignment, and the overall design of the document. A well-designed layout helps improve readability, clarity, and visual appeal.
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You connect your computer to a wireless network available at the local library. You find that you can access all of the websites you want on the internet except for two. What might be causing the problem?
Answers
Answer:
There must be a proxy server that is not allowing access to websites
Explanation:
A wireless network facility provided in colleges, institutions, or libraries is secured with a proxy server to filter websites so that users can use the network facility for a definite purpose. Thus, that proxy server is not allowing access to all of the websites to the user on the internet except for two.
If you want the data associated with a variable called “game” to appear in the interpreter with a space after it, which of the following should you use?
game,
game.
game+
game_
Answers
Answer:
game+
Explanation:
The analysis given in the question is an illustration of concatenation.
Assume that variable game is a strong variable and we want a blank space appended to the data in this variable, we make use of the following syntax.
game + " "
The plus (+) sign between game and the blank space " " implies that space should appear immediately after the data in game.
Hence, option C answers the question.
Answer:
C. game+
Explanation:
similar to home electricity use, the cloud allows organizations to dynamically increase and decrease programmatically so that they only pay for the resources that they actually use. this is because cloud use is ____.
Answers
Answer: As per listed below:
Explanation:
Elastic
Similar to home electricity use, the cloud allows organizations to dynamically increase and decrease their usage of computing resources based on their needs, and they only pay for the resources they use. This is because cloud computing is "elastic". Elasticity in cloud computing refers to the ability to quickly and easily scale computing resources up or down as needed, without requiring significant changes to infrastructure or architecture. This allows organizations to optimize their resource usage and costs, as they can easily adjust their resource allocation to match changes in demand or usage patterns.
WILL MARK BRAINLIEST PLZ ANSWER WITH EXPLANATION.
Answers
The best possible search option will be integrated development environment.
In the software world, we shorten integrated development environment with the acronym, IDE. We use IDE's to develop software.
Explain why Austin takes close-up pictures of whales and displays them in life-size? worth 50 points
Answers
The reason why Austin takes close - up pictures of and displays them in life - size is due to the fact that he wants to give viewers an indelible view or opinion of what a whale is.
It also to give whales a background to bring out unexplored thought and emotion in a lot of ways that has been yet to pursued .What are Whales?This is known to be Animals that are said to be mostly distributed and have a lot of group of aquatic placental marine mammals.
They are known to belong to an informal grouping as they belong to the order Cetartiodactyla.
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In your own words explain the following about the Domain Name System
What problem does the DNS solve?
How does the DNS help the world wide web scale so that billions of users can access billions of web pages?
Answers
Answer:
Suppose you want to access brainly.com. You type that into your favorite browser and hit enter. Your computer does not know how to get to brainly.com. This is the DNS comes in. The DNS looks for brainly.com and maps it to an IP address (eg. 104.17.74.91). Your computer can easily find 104.17.74.91 in order to connect you to questions and answers on a variety of topics.
Patricia competed the animation for her game character and is looking to program an efficient algorithm for the character's movement and interaction with another element. Review the code below and select which programming structure is displayed in Patricia's game?
Question 3 options:
Selection only
Sequential and selection
Iteration and selection
Iteration and sequential
Answers
Answer:
1
Explanation:
The programming structure that is being displayed in Patricia's game is the selection only. Thus, the correct option for this question is A.
What is the programming structure?The programming structure may be defined as the procedural or linear structure of a program that is significantly defined by its control flow. It involves the programming paradigm aimed at improving the clarity, quality, and development time of a computer program.
They are facilitated by making extensive utilization of the structured control flow constructs of selection and repetition, block structures, and subroutines.
In this question, Patricia competed for the animation for her game character and is looking to program an efficient algorithm, so it determines the programming structure based on selection only.
Therefore, the programming structure that is being displayed in Patricia's game is the selection only. Thus, the correct option for this question is A.
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100 POINTS!! Help me out please I need help with this!!
Answers
wa- im lost 2. i need that answer 2.
Subject me not to trials,shame not my human form. "Explain".
Answers
A girl living in a society where everyone has plastic surgery makes her feel increasingly out of place in the Korean body horror short Human Form.
What is Human form?
This animated short is a commentary on plastic surgery and humanity's obsession with what is considered to be "beauty," where we frequently idolize appearances.
It are impossible to achieve naturally and judge natural appearances as not looking "good enough" (which makes everyone a potential "fixer-upper" and gives the beauty industry more and more profits).
And given that several Asian nations have absurd beauty standards, this South Korean short is the ideal commentary on everything.
Therefore, A girl living in a society where everyone has plastic surgery makes her feel increasingly out of place in the Korean body horror short Human Form.
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Answer:
The poet seems to be humiliated and condemns himself for being human just physically. He is sure if Allah subjects him to examination, he would not be successful in it because he cannot tolerate or withstand them like a perfect human being.
Explanation:
Hope it will help ...✨✨this type of attack attempts to slow down or stop a computer system or network by flooding it with requests for information and data. multiple choice cracker hacker denial of service trojan horse
Answers
The type of attack that attempts to slow down or stop a computer system or network by flooding it with requests for information and data is called a Denial of Service (DoS) attack.
A DoS attack is an attempt to make a computer resource unavailable to its intended users. Attackers achieve this by flooding a target with traffic or sending it information that triggers a crash or slows the system down so much that it becomes unusable. There are different types of DoS attacks, including distributed denial of service (DDoS) attacks, which involve multiple sources attacking the same target simultaneously. DoS attacks can have severe consequences, such as loss of access to critical systems, financial losses, and reputational damage. Preventative measures such as firewalls, intrusion detection systems, and load balancing can help defend against DoS attacks.
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1) Man should feed ______ to a computer in order to improve the efficiency of computer vision.
pls plz help me
Answers
Answer:images
Explanation:i saw this on the quizlet for my school
Why should computers have a file structure? For organization For storing code To prevent viruses To keep back-ups of files
Answers
Answer: I believe the answer to your question is For organization I hope this helps!
a customer object has a field called emailaddress. other programs need to have frequent access to this field. what is the best way to set up this field
Answers
Simply put, scientific notation is a means to write numbers. Due to its lower length, increased efficiency, and straightforward magnitude indication,
it is particularly helpful when expressing extremely big or extremely small quantities. If a network adapter breaks, network redundancy makes connections fault-tolerant, but it won't prevent unavailable service if one or more disks fail. All of the database's unprocessed data is contained in tables. Forms, queries, and tables can all be used to print access information. By reducing the number of disk accesses needed when a query is completed, indexing helps a database perform better. One kind of data structure is the index. It is employed to quickly find and access the data in a database table.
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1) A ______ is a block of code that when run produces an output.
2) A _________ represents a process in a flowchart.
Answers
1) A function is a block of code that when executed produces an output.
2) A rectangle represents a process in a flowchart, signifying a specific task or operation within the overall process.
1) A function is a block of code that when run produces an output.
A function is a reusable block of code that performs a specific task. It takes input, performs operations, and produces an output. Functions help in modularizing code, improving code reusability, and enhancing readability. By encapsulating a specific task within a function, we can easily call and execute that code whenever needed, producing the desired output.
2) A rectangle represents a process in a flowchart.
In flowchart diagrams, different shapes are used to represent different elements of a process. A rectangle is commonly used to represent a process or an action within the flowchart. It signifies a specific task or operation that is performed as part of the overall process. The rectangle typically contains a description or label that indicates what action or process is being performed. By using rectangles in flowcharts, we can visually represent the sequence of steps and actions involved in a process, making it easier to understand and analyze.
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its binar code translate it
Answers
The Binary code translation are: Never gonna give you up\nNever gonna let you down\nNever gonna run around and desert you\nNever gonna make you cry\nNever gonna say goodbye\nNever gonna tell a lie and hurt you\n.
Binary code translationBinary code can be defined as machine language which a computer understand.
This binary code are often used in digital computer and the data code mostly use are zero (0) and one (1) and they help to represent information.
Therefore the Binary code translation are: Never gonna give you up\nNever gonna let you down etc.
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File format extension for animation are. Swf,. Swl and _____
Answers
Source from extension , report layout extension for animation are,and graphics interchange format.
What is the report ?It is layout which includes and primarily based totally animations. The complete abbreviation of is Small Web Format.
I assume the solution A.graphics interchange format. is the maximum accurate answer, it could be established from analyzing books and records on internet.
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What type of software has been developed to enable users to make use of the vast amount of data being collected and organized today?.
Answers
Answer:
The type of software that has been developed to enable users to make use of the vast amount of data being collected and organized today is Analytics software.
What is Software?
A set of instructions, data, or programs used to run computers and carry out specified activities is referred to as software. It is the inverse of hardware, which describes a computer's physical components. Software is a catch-all phrase for apps, scripts, and programs that execute on a device.
Analytics software is a sort of software that has been developed to allow users to make use of the large quantity of data that is being gathered and structured nowadays.
It is used to compute the performance of digital content and to convert business information into reports. Therefore
Explanation:
What is phishing? Answer
Answers
Answer:
Phishing is a type of online scam where an attacker sends a fraudulent email purporting to be from reputable companies, designed to deceive a person into revealing sensitive and personal information (card numbers, passwords etc).
Hope this helps.
I don't have anything but thank for the help
Answers
Answer:
lol bro ur welcomeee.ee.e.e.e.e.
Text,Audio and graphic is entered into the computer using
a)A cpu
b)Output
C)Input
ICT Question asap pls help
Answers
Answer:
I think it's input, not sure tho
why is nigeria no
t in the country list
Answers
Answer:
officially the Federal Republic of Nigeria, is a country in West Africa. ... Nigeria is a federal republic comprising 36 states and the Federal Capital Territory, where the capital, Abuja, is located. The largest city in Nigeria is Lagos, one of the largest metropolitan areas in the world and second largest in Africa.
Answer:
i think so
Explanation:
Perform the indicated operation if possible.
⎡−7 –1 ⎤ ⎡1 7⎤
−6 –17 − 2 –9
⎣−4 −16⎦ ⎣4 –8⎦
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A. The resulting matrix is (Simplify your answer.)
B. The resulting matrix does not exist because the operation is not possible.
Answers
The resulting matrix does not exist because the operation is not possible (Choice B). The matrices have different elements in corresponding positions, preventing the subtraction operation.
To subtract matrices, they must have the same dimensions. In the given matrices, both are 2x2 matrices. To subtract them, the corresponding elements of the matrices need to be subtracted. However, in this case, the elements in the corresponding positions do not match. In the first matrix, the element in the (2,1) position is -6, while in the second matrix, the element in the same position is 2. Since the elements in the corresponding positions do not match, the subtraction operation cannot be performed. Therefore, the resulting matrix does not exist.
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PLEASEEE HELPPP im gonna cry
What’s the name for the array of buttons that provides quick access to commonly used commands?
A.
menu bar
B.
toolbar
C.
ruler
D.
scroll bar
Answers
Your answer is:
B. toolbar
Answer:
B) Toolbar
_______________
Whales thrive in the benthic zone because it is full of plankton.
Is it true or false
Answers
Answer:
true
Explanation:
False. I answered true on the quiz and got it wrong.
e. Which type of computers comes in briefcase style
Answers
Answer: Laptop computers.
Explanation: Laptops are the one type of computers that come in briefcase style.
as a member of the help desk team, you have been assigned to update the driver for the network adapter that is installed on most of the computers in your department. you have a copy of the latest driver on a usb flash drive. which windows utility allows you to manually update this new driver?
Answers
To manually update the network adapter driver in Windows, use the Device Manager utility to browse for the new driver on the USB flash drive and install it.
To manually update the network adapter driver in Windows, you can use the Device Manager utility. To access it, you can right-click the Start button and select "Device Manager" from the context menu, or you can search for "Device Manager" in the Start menu or Cortana search bar. Once in Device Manager, find the network adapter for which you want to update the driver, right-click it and select "Update Driver." From there, you can select "Look through my computer for driver software." and point the search to the USB flash drive's driver location.
After selecting the option to "Browse my computer for driver software," you will be prompted to specify the location of the driver. Navigate to the folder on the USB flash drive where you have saved the new driver and select it. Windows will then install the updated driver for the network adapter.
It's worth noting that before installing the new driver, it's always a good idea to backup your current driver and system configuration in case of any issues. Also, ensure that you have administrative rights on the computer and that the new driver is compatible with your specific version of Windows and the network adapter hardware.
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What are examples of some Exotic currencies?
A) EURUSD, AUDUSD
B) GBPCHE, EURUSD
C) AUDCHF, NZDJPY
D) MXN, ZAR, HKD
Answers
Answer:
D) MXN, ZAR, HKD
Explanation:
Exotic currencies refer to currency that are used in countries with emerging economies therefore they lack liquidity, are extremely volatile and have very low volumes. The exchange rate of exotic currencies are usually very high because of its lack of liquidity, therefore trading these currencies are expensive. Examples of exotic currencies are South African rand (ZAR), Mexican peso (MXN), Hong Kong dollar (HKD), Chinese yuan (CYN), Turkish lira (TRY) and so on.
List two rules of a data protection art.
Answers
Answer:
1 the data must be processed fairly, lawfully and transparently
2 the data must be processed only for specific, explicit and legitimate purposes and shall not be further processed in any manner incompatible with that purpose or those purposes
3 the data must be adequate, relevant, and not excessive in relation to the purpose or purposes for which they are held