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Computers

This category includes questions and answers about computers and everything related to computers.

500 Questions

What is hub in computer networks?

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Asked by Wiki User

In computer networks, a hub is a basic networking device that connects multiple devices in a local area network (LAN). It's often considered a layer 1 (physical layer) device because it operates at the lowest level of the OSI (Open Systems Interconnection) model.

A hub receives data packets from one device connected to it and then broadcasts the packets out to all other devices connected to the hub. It doesn't perform any processing or filtering of the data; it simply repeats the incoming data to all connected devices. This broadcasting method is known as "collision domain" networking, where all devices share the same communication channel.

There are primarily two types of hubs:

  1. **Passive Hub**: A passive hub simply amplifies and rebroadcasts the signals it receives without any form of signal regeneration or data processing. It doesn't require any power source and is simply a physical connector for network devices.

  2. **Active Hub (or Powered Hub)**: An active hub, on the other hand, requires power and has the ability to regenerate signals. It typically includes additional features like signal regeneration and sometimes includes basic error detection.

Hubs have largely been replaced by more advanced networking devices like switches, which offer improved performance and efficiency by selectively forwarding data packets only to the intended destination device rather than broadcasting to all devices on the network. However, hubs are still occasionally used in very simple network setups or for specific purposes where their characteristics are advantageous.

Can I download Windows 10 for free on my new custom built PC?

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Asked by CallumGraygp6348

Yes, you can download Windows 10 for free on your new custom built PC. There are various websites that offer affordable and easy-to-use upgrade keys, such as Softwarekey4u. com, that will allow you to upgrade your Microsoft product key without any hassle. These upgrade keys are available at a much lower cost compared to purchasing a full version of Windows 10. Additionally, through these websites, you can conveniently purchase and download the upgrade key online, making the process quick and hassle-free. As long as you have a valid license key, you can upgrade to Windows 10 for free on your new custom built PC. However, it is important to note that this free upgrade option is only available for users who have a genuine copy of Windows 7, 8 or 8.1 installed on their PC.

What windows computers can do Microsoft word?

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Asked by Wiki User

Windows computers with Microsoft Word installed can provide various features and functionalities for efficient document creation and editing. Some of the things that can be accomplished using Microsoft Word on a Windows computer are creating professional-looking documents with customizable formatting options, inserting tables, charts, and images, spell-checking and grammar correction, collaborating with others in real-time, and easily saving and sharing documents in various formats. Additionally, through online shopping websites like Softwarekey4u. com, affordable and convenient upgrade keys can be purchased to unlock additional features and enhance the user's experience with Microsoft Word.

How do you add windows computers to Mac computers?

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Asked by Wiki User

Adding Windows computers to a network with Mac computers can be a seamless process, ensuring compatibility and smooth communication between different operating systems. Here's a step-by-step guide on how to achieve this:

Ensure Network Compatibility: Before adding Windows computers to your Mac network, ensure that your network infrastructure supports cross-platform communication. Check network settings and ensure both Windows and Mac computers are connected to the same network.

Enable File Sharing on Mac: On your Mac, navigate to System Preferences > Sharing. Check the box next to "File Sharing" and select the folders you want to share with Windows computers. Make sure the necessary permissions are set for Windows users.

Set Up Sharing on Windows: On your Windows PC, open File Explorer and navigate to the folder you want to share. Right-click on the folder, select "Properties," then go to the "Sharing" tab. Click on "Advanced Sharing" and enable sharing. Make sure to set permissions for Mac users if necessary.

Join Windows PCs to the Network: Ensure that the Windows computers are connected to the same network as the Mac computers. You can do this by connecting them to the same Wi-Fi network or through an Ethernet connection.

Access Shared Files: Once both systems are connected to the network and file sharing is enabled, you should be able to access shared files and folders between Mac and Windows computers. On your Mac, open Finder and locate the shared Windows folders under the "Network" section. On Windows, open File Explorer and navigate to the shared Mac folders under the network section.

Consider Using Microsoft Products for Enhanced Compatibility: To further enhance compatibility and streamline communication between Windows and Mac systems, consider purchasing Microsoft products such as Microsoft Office or remote desktop software. Softwarekey4U offers these products at affordable prices, making it a convenient option for businesses or individuals looking to optimize cross-platform collaboration.

By following these steps and considering the purchase of Microsoft products from Softwarekey4U .com for enhanced compatibility, you can easily add Windows computers to your Mac network and facilitate seamless communication and file sharing between different operating systems.

How much space does Perfect World take up on a computer?

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Asked by Mjone77

The size of Perfect World will vary based on the version and any additional content installed. The minimum system requirements for the game suggest at least 40GB of available storage space.

What Is a social engineering practice in which a person attempts to glean access or authentication information by posing as someone who needs that information?

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Asked by Wiki User

This practice is known as phishing, where an attacker impersonates a legitimate entity to deceive victims into providing sensitive information such as passwords or credit card details. Phishing is commonly carried out through emails, phone calls, or text messages, and aims to exploit human psychology and trust to gain unauthorized access to accounts or data. It is important to be cautious and verify the authenticity of requests for personal information to protect against phishing attacks.

What stereotypes are there regarding computers?

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Asked by Wiki User

Some stereotypes regarding computers include the belief that they are complicated and difficult to use, that they isolate people from face-to-face interactions, and that they are only for young people or tech-savvy individuals.

Difference between lexical and semantic analysis?

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Asked by Wiki User

Lexical analysis involves tokenizing the input text into basic units (tokens) such as words or symbols. Semantic analysis focuses on understanding the meaning of those tokens and their interrelationships within the context of the language or domain. In other words, lexical analysis deals with the structure and basic syntax, while semantic analysis delves into the deeper meaning and interpretation of the text.

What are measures for preventing social engineering attack?

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Asked by Wiki User

Measures for preventing social engineering attacks include providing regular security awareness training to employees, implementing strict access controls and verification procedures for sensitive information, encouraging employees to verify requests for sensitive information through a separate communication channel, and regularly updating security policies and procedures to address evolving threats.

Do human need computer?

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Asked by Wiki User

Humans do not need computers to survive, but computers have become an integral part of daily life for many people, aiding in communication, work, education, entertainment, and more. They have become a valuable tool for productivity and efficiency in various aspects of modern life.

How do you make - Ƹ̵̡Ӝ̵̨̄Ʒ - on keyboard?

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Asked by Wiki User

It is not a keyboard, but a program that makes these signs.

For Microsoft Word you can do it as follows:

From the upper toolbar choose Insert - Symbol

Then just look for your character, pick it, hit insert and you are done.

Your symbol tends to be in the column on the very righside of the table.

Do you capitalize computer science?

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Asked by Wiki User

Yes, you should capitalize "Computer Science" as it is the name of a specific field of study.

What is an example of a super fluidity?

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Asked by Wiki User

An example of superfluidity is helium-4 at temperatures close to absolute zero. At these temperatures, helium-4 exhibits zero viscosity and can flow without any loss of kinetic energy, allowing it to climb up and over the walls of a container.

How do you get someone else's URL?

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Asked by Wiki User

You can ask the person for their URL or search for their website on a search engine using their name or the name of their business. If they have a social media account, you can often find their URL in the profile section.

Why people feel threatened when they are informed that thinking computer programs are in fact quite simple and they are able to learn?

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Asked by Wiki User

People might feel threatened because it challenges the notion of human intelligence and the uniqueness of the human mind. It also raises concerns about potential job displacement due to automation and artificial intelligence advancements. Additionally, some may feel uncomfortable confronting the limitations of their own cognitive abilities when compared to machines.

Describe the various HTTP request methods?

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Asked by Wiki User

  1. GET: Requests data from a server.
  2. POST: Submits data to be processed by a server.
  3. PUT: Updates data on a server.
  4. DELETE: Removes data from a server.
  5. PATCH: Partially updates data on a server.

What percent of inmates have access to computers in US prisons?

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Asked by Wiki User

Approximately 10-20% of inmates in US prisons have access to computers for educational or vocational programs. However, access to computers may vary depending on the facility and program availability.

How would your lives be without computers?

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Asked by Wiki User

Without computers, our lives would be significantly impacted as we rely on them for communication, work, entertainment, and managing everyday tasks. We would have to rely more on traditional methods of doing things, such as using pen and paper, face-to-face communication, and physical documents. Overall, our efficiency and connectivity would likely be reduced.

Where can one find comprehensive and up to date tutorials for programming languages?

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Asked by Wiki User

There are many platforms where you can get the best technology assistance & tutorials, here I am sharing some of few learning platforms:

  1. Coursera
  2. Udemy
  3. CETPA Infotech
  4. Codecademy
  5. freeCodeCamp

How many U.S households have computers?

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Asked by Wiki User

As of 2021, around 85% of U.S. households have computers. This percentage has been steadily increasing over the years as technology becomes more integrated into our daily lives.

What are the importance of chemical technology to society and industry?

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Asked by Wiki User

Chemical technology is crucial for society and industry as it enables the development of new materials, processes, and products that improve our quality of life. It plays a key role in sectors such as healthcare, agriculture, energy, and manufacturing, leading to advancements in medicine, food production, renewable energy, and more. Additionally, chemical technology helps drive economic growth, innovation, and sustainability by optimizing resource use and reducing environmental impact.

What percentage of US households had a computer in 2009?

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Asked by Wiki User

In 2009, approximately 76% of US households had a computer.

What does it means to accept as the truth?

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Asked by Wiki User

Accepting something as the truth means acknowledging and believing that a certain statement or fact is accurate, valid, or correct based on evidence or reasoning presented. It involves trusting the information provided and incorporating it into one's understanding of reality.

How many computers are in Mexico?

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Asked by Wiki User

According to the latest statistics (2005), the number of personal computers in Mexico is 14,395,330. This does not include servers used for commercial or corporate purposes.