Computer technology

Last modified: 2025-01-22 21:01

If you decide to download a new version of the Opera, Google Chrome or Mozilla Firefox browser on the Internet and do not know what the bookmark bar is and how to use it, then this material is for you. Now we will conduct a small educational program on creating and configuring visual bookmarks using the example of the Mozilla Firefox browser

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PDF is the most common format used for reading documents. However, this format is not intended for data editing. Of course, some manipulations with the document can be done, but often there are not enough tools for serious work. Fortunately, you can transfer PDF to Excel and continue editing in Microsoft's spreadsheet editor

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With the help of visual bookmarks, the user can get to the necessary Internet page with one click of the mouse. This service is undoubtedly very convenient, it saves time and eliminates the need to look for the desired site in the bookmark magazine

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Most PC users use Microsoft operating systems. There are various currently relevant "operating systems" from Windows XP to Windows 7. The main element of these operating systems is the taskbar. The panel can be moved around the four edges of the screen

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The main purpose of the Windows component called Task Manager is to display lists of currently running applications, processes and services. These lists provide the ability to forcibly close applications and individual processes. It also has the ability to launch new applications

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"Full-screen" is a mode of operation of an application in which there are no attributes of its window - frames along the edges, scroll bars, service menus, etc. Most often, this method of displaying the contents of a window is used in games, video players, and other applications that aim to create the most immersive experience possible within the monitor

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Graphic tablets are devices for entering information into a computer. Currently, they are actively used by people working in certain fields, such as engineers and designers. The advantages of a graphics tablet are the ability to enter handwritten text and similar information

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Advertising does not stand still. This statement is perfect for pop-ups in Internet browsers. Previously, these were static banners that calmly waited for attention. Advertisers have found that this way of getting to know their products or services is ineffective

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Unlike the real world, in the virtual one the idea of teleportation has long been realized - you have the ability to almost instantly move to any page on the network. Therefore, on the Internet, more efforts have to be made in order not to lose the addresses of interesting points to move than to the process itself

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If you have purchased a professional camera, then one of the constant problems for you can be working with RAW files. The file extensions for these files vary depending on the camera manufacturer. Since Canon is one of the most popular cameras among photographers, you will most likely have to deal with the CR2 format

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Sometimes there are situations when the iPhone needs to be returned to its original state. Thus, the existing settings are reset, personal information is erased. Such a need is due to the instability of the device, errors that arise due to a software failure, or the sale of a smartphone

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There are a huge number of video formats in the world, each of them is good in its own way, some prefer AVI, and some prefer MP4. Regardless of this, the user with the help of special programs can convert AVI to MP4 and vice versa. You just need to know what these programs are and how to use them

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Streaming video in mp4 format is perfectly readable by modern computers, mobile devices and smart TVs. However, on older devices, mp4 may not be produced. It is necessary to convert it into avi format, which can be played on any gadget, regardless of the OS installed on the device

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It is impossible to imagine human life without a mobile device. Today these are not just gadgets for calls and SMS, but functional devices that allow you to go online and perform complex tasks. Apple devices especially stand out against the general background IPhone The iPhone is a multifunctional phone

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Matroska or mkv is a project that creates an open flexible format aimed at working with video, subtitles, and audio. Allows the user to store a movie in one file absolutely free: the stream specification is freely available. But not everyone is comfortable with this format, so the question arises about converting the file

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Often, after finishing work with Excel documents, you need to fix the result in order to exclude the possibility of editing. One of the options for how to achieve the desired result is to convert Excel to PDF format. Translation in the editor One of the easiest ways to convert excel to pdf is to save the document in this format

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How to convert mp3 to wav or vice versa? Humanity is trying to create a more or less perfect standard, but in the end this often leads to increased competition. So it is in the computer sphere - there are many opportunities that are used in parallel, thereby complicating life

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You can convert video format without any problems for free right in your browser thanks to online converters. And on mobile devices, this can be done similarly without problems. Convertio One of the best online converters with a good interface in Russian and fairly broad functionality

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The relatively recent FLAC audio format is one of the most popular because it has the highest sound quality. But its main disadvantages are considered to be rather large and the fact that some devices (mobile devices or household players) do not support it

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There are many different file formats, one of them is ISO, which is a specially created copy of a disc with all the information that it contained. If you write this file to disk, the entire file structure of the original medium will be preserved

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Today many users are interested in the question - how to convert avi to mp4. It should be emphasized right away that specialized programs will be needed to carry out this operation. Such utilities are called converters. Now users are given a wide choice between different programs, let's figure out which ones

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With the advent of online converters, it has become more convenient to do many simple tasks in the browser itself, without downloading any programs. It is also not difficult to convert video format from MOV to MP4 with their help. Fconvert A free online converter with which you can change the format of a video, crop it, change its resolution and even set the bitrate of video and audio

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Sometimes it is necessary to select a music track from a video clip. And this can be done in a variety of ways. Savefrom In the Google Extension Store, there is an application called "Savefrom" that will allow you to download the video you are watching in different formats

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Unauthorized access to the file system of an iPhone, iPod Touch, iPad, or Apple TV, possible through exploits that exploit Apple's security vulnerabilities. Access to system files and folders allows the user to manage their content and install applications from third-party sources What is Jailbreak?

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Recently, books in pdb format can be found on various resources. They differ in size from books in other formats due to the information they contain. It is necessary - Acrobat Reader. Instructions Step 1 Open your browser, type Acrobat Reader in the address bar

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Choosing a good video card manufacturer is very important because the video card determines the reliability of the entire system as a whole. This is especially true for gaming computers in which the video card is the most expensive part of the system

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To work with tables in the Windows operating system, Excel is used, which is part of the Microsoft Office suite of applications. The utility has a wide functionality and allows you to perform not only the operations of adding and inserting data, but also sorting them by numerical value

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While working on the Internet, the user may accidentally close the browser or will be forced to do this in case of errors. In order not to search for previously opened tabs when you start the browser again, you can restore the previous session in Mozilla Firefox

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After browsing Internet sites in Opera, as in other browsers, a lot of saved information remains - cache and cookies. In some cases, they only take up extra space on the computer's hard drive, but in some they can cause hacking. Instructions Step 1 Launch Opera browser

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If necessary, Internet lovers can remove ads in the Yandex browser forever, which will not be distracted by various ads while reading pages. The program developers have provided for this in several possible ways. Instructions Step 1 You can permanently remove ads in the Yandex browser by using a special extension originally built into the program

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Opera is a popular web browser and software package for the Internet. The strengths of the browser are its high stability, flexibility of settings and excellent performance. Instructions Step 1 Opera browser is one of the leaders in network speed

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Without a properly configured browser, it is impossible to use all the functions of the Internet. If, for example, not all components are installed, the browser may not be able to partially or completely display some Internet pages. Without the appropriate components, you will not be able to play online videos

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There are several protocols that determine the order of transfer of data of different types through local and global computer networks. One of them was created in 2001 and called BitTorrent, which has since become very widespread. The manufacturers of the Opera browser, given the popularity of this protocol, have built a torrent client into their application

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It is difficult to imagine modern life without DVDs, they have become almost generally available. And with the widespread use of PCs to watch discs, it is not at all necessary to have a special player at home - you can play a DVD disc on a computer

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The Word editor provides ample opportunities for text formatting. In particular, it can be highlighted by decorating with a frame. You can trace a document with simple lines with a single click of a button, it will take a little more time to insert a beautiful frame

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When working with pictures or photographs, the operation of overlaying one image on another is used more often than any other. The most convenient way to do this is with the help of specialized programs - graphic editors. The very procedure for combining pictures is not difficult, but depending on the application used, the sequence of actions may differ

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Replacing the background in a photo can be an interesting solution. There are many ways to do this. This technique compares favorably with most. Firstly, it is very easy to replace the background in the photo with it. Secondly, it allows you to replace the background of the image completely or only part of it

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Typing text on a computer, you may come across the fact that it contains famous quotes, direct speech, titles, etc. According to the rules of the Russian language, these elements should be highlighted with quotation marks on both sides. There are several options for how to insert quotation marks on the keyboard or by copying

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A laptop is a gadget that is very convenient to use, because with a wireless Internet connection, you can work wherever it suits you. Also, the laptop is useful for people leading a "nomadic" lifestyle. And almost every laptop owner sooner or later faces the problem of overheating of the machine

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To prevent damage to the CPU as a result of overheating, it is necessary to constantly monitor its condition. Naturally, you should react in a timely manner in the event that the temperature exceeds the permissible limits. It is necessary - crosshead screwdriver

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Lowering the frequency of the RAM is required in quite rare cases, for example, if you overclocked the processor. Also, lowering the memory frequency may be necessary if you are not going to load your computer for a certain period, and for example, you will only use it to visit Internet pages

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Many people use special programs to configure the parameters of the computer. Not everyone knows that most of the basic settings can be done through the BIOS menu. Instructions Step 1 Turn on your computer and hold down the Delete key (F2, F8)

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The fan (or cooler) is one of the important components of the computer system unit that provides cooling to the central processor. If the system unit is still very hot when the fan is running, you can change the initial cooling temperature. Instructions Step 1 Turn on the computer while holding down the Delete key or one of the function keys (F2, F5, or F8)

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The processor is the heart of the computer. Overheating of the processor can seriously affect the stability of the computer, and in some cases can damage it. It is very important to know how to prevent overheating of the processor. Dust inside the case If you use your computer for a long time without opening the case, dust will inevitably accumulate there

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Cheat codes are used to obtain additional features in a computer game that are not available in normal mode. They are entered and launched differently, depending on the type of game. It is necessary - Internet access. Instructions Step 1 Find cheat codes for your game

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Most of the developers of computer games use special character codes, which are often called cheats (from the English word cheat). The well-known action game Mafia is no exception, albeit the treasured combinations are significantly less than in other games

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All computer games can be played using cheat codes, which greatly facilitate the process of completing one or another stage. How do you do this in a game as popular as Diablo? It is necessary - Art Money program. Instructions Step 1 Press Enter to quickly gain experience in Diablo 2:

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The error "This program is not a Win32 application" often occurs after installing new utilities. To fix it, you will have to reinstall or download a different version of the program, since this file is unsuitable for running in the installed operating system (OS)

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Often it is required to independently create, say, a price tag containing, in addition to text, a barcode. No additional hardware is required for this. An ordinary computer and a printer are enough. Instructions Step 1 Go to the following link:

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Ban, as a means of fighting cheaters, is quite common in Counter Strike. The main disadvantage of a ban is that there are always ways to get around it. However, there are several ways to ban a player. Instructions Step 1 The most used is to ban a player by IP address

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You don't always have the patience to play games on your own. Often, many gamers use the so-called cheat codes to quickly and easily obtain weapons, change certain parameters, and enable additional modes. Instructions Step 1 Turn on developer mode in the keyboard settings

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The Windows operating system registry consists of many sections and subsections, which contain parameters and their values. At the topmost level of the hierarchy, there are five sections, one of which is designated HKEY_LOCAL_MACHINE. It contains information about drivers, software and its configuration, port names and other settings of the local computer

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Earlier, during the reign of Dolby Pro Logic, setting up a new home theater with a multichannel receiver was simple: you had to connect a speaker system, as well as a sound source, sometimes also select the decoder mode. And with modern receivers, the situation is completely different

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In most cases, data accidentally deleted from a flash card can be recovered. In order to effectively recover lost files, you must follow a number of rules and use specialized software. Instructions Step 1 After accidentally deleting data from a flash drive or discovering the loss of necessary documents, first of all, stop writing data to this medium

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The file systems of modern hard drives are designed in such a way that information is completely deleted from the medium only after overwriting certain sectors. This means that you can recover deleted files if the hard drive has not been used efficiently enough

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Accidental deletion of data from a computer is one of the most painful problems of users. In fact, after formatting or emptying the recycle bin, it is possible to recover lost data, but this procedure can take a significant amount of time. It is necessary - a program for recovering deleted files, such as Handy Recovery

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Sometimes it happens that you have deleted the files you need by mistake. For example, such files were audio or video recordings. Restoring these records will not be difficult for you, because there are many multimedia files on the world wide web

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How many times have the world been told that it is necessary to do regular backups of the contents of your computer. Then careless movement of the mouse, erasing an important file, will not be so scary for you. Fortunately, there are programs that allow you to recover lost data and deleted files

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JAR files are usually packaged in the RAR format, so they can be decompressed with common archiving applications such as WinRAR. WinRAR is a versatile tool that can open most well-known archives, including JARs. It is necessary - WinRAR program

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After copying a large number of archives, it becomes necessary to unpack them into a specific directory. When starting this process, it is worth considering some nuances, tk. unzipping one or several files is different. It is necessary Software:

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The iso format is used to store a disk image and differs from regular archives in that it creates a much more accurate copy of the original data. It stores not only the files themselves, but also the file system of the source media (CD or DVD disc, floppy disk, flash drive, hard disk, etc

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Modern multifunctional devices and printers can differ in a number of technical characteristics. When working with Helwett Packard Deskjet series printers, keep in mind that these devices can operate without a physical connection to a computer

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Archivers are programs that can compress information in files. Modern archivers allow you to combine several files into one archive and view the contents of such archives. The size of the archive created with their help turns out to be much smaller than the size of the original file

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An extension is a few letters after the last period in the file name. The operating system uses it to determine which program should open the file. The rar archive files have the .rar extension. It is necessary - WinRar archive Instructions Step 1 The archive has the extension

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A large number of games that are now appearing on the Internet are packaged in files with the extension .rar, .zip, .iso, .mdf. Thus, an ordinary user is faced with the problem of unpacking games that are associated with these archives. It turns out that in order to start passing the game, it is enough to install a couple of well-known programs

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Hardly anyone would dump the entire contents of the closet onto the floor if they had to get one T-shirt. This idea is also true when working with archives. There is no need to unpack the entire contents if the archiving program allows you to selectively extract the files you want

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WinRAR is an archiving program that was created and is constantly being developed by the efforts of the creators of the rar format. In addition to the "native" rar extension, the application is able to read zip, 7z, arj, iso, cab, gzip, tar and others files, so installing this archiver into your operating system can significantly expand the available arsenal of tools for working with files

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The operating system requires personal care: constant cleaning of "garbage", viruses and unnecessary registry entries. But when all possible ways of solving a particular problem have been exhausted, and the need to use a computer is still there, people often turn to service centers for help

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Installing Windows is one of the most complex computer-related procedures. If done incorrectly, it can lead to many difficulties in using the computer. To avoid problems, you need to know how to properly install Windows. To install Windows 7 you will need:

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When you format a hard drive, absolutely all data is deleted from it. And this applies not only to your photos, documents and other valuable files, but also to viruses. When a particularly harmful virus that antiviruses cannot find on the disk, formatting helps

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Performing the formatting operation on a removable USB device, in fact, is one of the recommended ways to fix problems if the computer cannot detect a USB flash drive. How can this be done? Instructions Step 1 Check if the indicator light of the removable device is working - if the connector is damaged, the indicator will not light up - and try disconnecting the peripheral USB devices that are not currently in use, and plugging the USB flash drive through anoth

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Accounting software "1C Enterprise" is found on the computer of almost every modern accountant. Despite the seeming complexity, the program is quite easy to use and has a wide range of useful functions. To learn how to work in the program, all you need to do is install the program on your computer and start working in it

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Windows 7 is one of the best operating systems today, it has a user-friendly interface and increased performance. New features in Windows 7 include the recovery system, which allows you to quickly reinstall the entire system. Open the Start menu of the operating system, type Recovery in the search bar and press Enter

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If a large number of viruses have accumulated on your system drive, and no amount of treatment and removal of malware already helps, then it is best to reinstall the operating system. And during the installation process, the system partition is formatted

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An on-screen, or virtual, keyboard that replaces the traditional input peripheral is one of the services provided by Microsoft developers. The keys on it can be selected with the mouse, as well as with your finger or stylus, in the case of a touch screen

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Many laptop or netbook keyboards have an Fn button. Why is it needed? On the keyboards of most laptops, ultrabooks and netbooks there is an Fn button, but unfortunately, the instructions for the gadget do not always have a description of its use and inexperienced users, by chaotically clicking on it, can accidentally turn off Bluetooth or the wireless network, the touchpad, switch to the numeric keypad from the main one, and the user will feel that the laptop is broke

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In personal computers without a touchscreen, the on-screen keyboard is used primarily for typing text using the mouse pointer. You can also control it with one key of your choice. The graphical interface of this program mimics a standard keyboard, almost exactly repeating the layout of the buttons

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PDF is a very convenient and at the same time simple format, which is widely used by both ordinary users and numerous publishers. One of the main advantages of this format is support for original fonts, images and graphics without compression, as well as independence from the chosen operating system

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The practice of converting files from pdf to doc format is quite extensive due to the popularity of using the Word text editor and doc format. This practice is due to the involvement of many types of activities in the work with the Microsoft Office suite of office programs

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The accent mark refers to "special marks" and its insertion into the text of the document is possible only in an editor that has options for working with such marks. For example, Word provides such a feature, but Windows Notepad does not

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Converting the DOCX text format to an electronic version of PDF can be done in two ways. The first involves converting files directly from Microsoft Word 2007. And the second is the use of special software. Working with office Word documents often requires translating text files into PDF format

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It is often necessary to edit the pdf file. For example, if you want to use the information it contains. In this case, a converter or a text recognition program will come to our aid. It is preferable to use a recognizer. Although the process when working with it is a little more complicated and time-consuming, it provides a much more accurate conversion than a simple converter

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It is very easy to convert a Word document to a PDF file. But converting PDF to Word format is more difficult. Instructions Step 1 One of the best software tools for working with PDF files is the free Foxit Reader. Download the software, start the installation process as usual, and then launch the program and download the PDF that you want to convert to a different file format

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Does your computer slow down, folders open for a long time, programs run hard, the system often hangs? Do not be nervous and do not rush to complain that the computer is hopelessly outdated. We will show you some tricks with which you can speed up your computer by 25-50 percent

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Windows 7 is one of the recently released products from Microsoft. As in any complex system, and Windows 7 can be observed errors due to which the computer begins to "freeze". Viruses In case of any failure in the operation of the operating system, you first need to check your computer for viruses

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A frozen laptop is an unpleasant phenomenon. It may hang due to program failures or due to a lack of system resources. Restarting a frozen laptop can be done in several ways. Instructions Step 1 If you find that your laptop is frozen, do not rush to immediately take emergency measures

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A laptop is essentially not much different from a regular stationary computer. However, owners of laptop computers should be aware of some of the features of their operation. For example, a forced shutdown of a laptop must follow a specific scenario

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A computer, like any technical device, has its own expiration date. If you squeeze all the juices out of the computer, then it will lose maximum functionality faster. So, for example, many users, after several years of work, notice that games or programs have begun to work worse, and the OS itself sometimes just freezes while passing the next level of their favorite shooter

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The most common causes of a computer freezing and restarting are virus infections, operating system failures, or insufficient RAM. The reason is a virus First you need to check your computer for viruses. Use the installed antivirus program and scan the entire computer

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A modern computer is a very complex device, consisting of many different parts. The work of a PC depends not only on its high-quality assembly, but also on the correct operation of the software. There can be several reasons for the computer freezing

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Any computer user has played computer games at least once. Sorting through various options for games, everyone is looking for something unique, suitable for him. Sooner or later, some people start to think about the very process of creating a game

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Monitor-related problems may occur while the computer is running. The most common of these is the lack of a signal, which causes the picture to disappear from the screen. This problem can arise for various reasons. Physical failure of cables First of all, you need to make sure that the means of connecting the monitor to the power supply and to the computer are working properly

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You enjoy playing computer games, and finally you got so interested in this type of entertainment that you wanted to create your own 3D game. It’s quite real. Let's analyze together in what order this can be done. It is necessary In order to create your own 3D game, you need time, imagination, and, preferably, a team of like-minded people, in which there is a programmer

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Removing files from your computer permanently is not an easy task as it might seem at first glance. When a file is deleted, the record about it in the file table is deleted. Clusters marked as empty can be read using special programs. How can you achieve complete data erasure?

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Blogging means constantly posting your thoughts, someone else's articles, interesting materials, etc. The design of the topic being created - 50% chance that everyone will read it. By posting articles on the WordPress platform, a large number of graphic files are created that you do not need at all

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When a file is deleted normally, it is usually placed in the trash. In this case, until the latter is cleared, it remains on the hard disk. Sometimes circumstances require you to delete a file bypassing the trash can. Instructions Step 1 To delete a file without placing it in the trash, use the Shift + Delete keyboard shortcut

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Sometimes users need to delete a file or folder from their hard drive or removable media. Usually, it is enough to mark the file and press the Delete key, or right-click on the file name and select “Delete” from the context menu. However, standard tools do not always work

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The Windows operating system has a "safety mechanism" that prevents accidental deletion of data. When you delete a document, movie or any other file, it is placed in a special folder "Trash". At the same time, until the trash is emptied, it is possible to fully recover deleted information

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There are several ways to delete photos. The most famous is simple placing in a basket and then cleaning it. But such a path allows you to restore them in the future, if you wish. To permanently delete photos from your computer, you need the Eraser program

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The objects in the photo can have different shapes: a human silhouette, a rectangular cabinet, a bubble cloud. But you never know what else. And depending on that, you may need different Adobe Photoshop tools if you want to remove this object