What is a cache and what does it do?

A cache -- pronounced CASH -- is hardware or software that is used to store something, usually data, temporarily in a computing environment. It is a small amount of faster, more expensive memory used to improve the performance of recently or frequently accessed data.
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What is a cache and why is it used?

In computing, a cache is a high-speed data storage layer which stores a subset of data, typically transient in nature, so that future requests for that data are served up faster than is possible by accessing the data's primary storage location.
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Is it OK to clear cached data?

Clear out all cached app data

These caches of data are essentially just junk files, and they can be safely deleted to free up storage space. Select the app you want, then the Storage tab and, finally the Clear Cache button to take out the trash.
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What does clearing your cache do?

Deleting the cache data helps to troubleshoot, helps to increase the loading time of web pages and increases the performance of your computer. If the browser doesn't load the new version of the site, even if there have been changes on the site since the last visit, the cache can cause issues with the view.
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How often should you clear your cache?

Most people only need to clear their caches once every month or two. That's generally the point where your browser will build up a cache large enough to start slowing things down. If you frequent a large number of sites, you should err on the side of clearing your cache more often.
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CPU Cache Explained - What is Cache Memory?



Will clearing cache delete pictures?

If you are deleting the image cache and not the images, then your images are safe. The image cache consists of thumbnails created by different apps not the real image themselves.
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What are the downsides to clearing cache?

If you delete the cache the next time you visit a previously cached site the site will be forced to download. This new download will result in a new cache being created. There is no downside other than the next visit to a site will force a download.
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How do I clean my cache?

Android:
  1. On your Android phone or tablet, open the Chrome app .
  2. At the top right, tap More .
  3. Tap History Clear browsing data.
  4. At the top, choose a time range. To delete everything, select All time.
  5. Next to “Cookies and site data” and “Cached images and files,” check the boxes.
  6. Tap Clear data.
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Will clearing data delete my text messages?

So even if you clear data or uninstall the app, your messages or contacts will not be deleted. However, you will be logged out.
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What problems do cache cause?

Caching as a solution to the performance/latency/throughput problems means there is more complexity, which will lead to more bugs. Bugs with caches can be subtle and difficult to debug, and bugs with caches can also cause live site outages.
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Is cache and RAM the same?

1. RAM is a volatile memory which could store the data as long as the power is supplied. Cache is a smaller and fast memory component in the computer.
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Is cached data important?

Cache isn't only used by your Android phone—it's also a function of desktop browsers and other software. Without cache, your device would have to reload images and other elements every time you accessed them, which is inefficient.
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What happens if you clear data on Gmail?

There will be no loss of emails in your actual online e-mail account in case you choose the option "Clear Data" in an e-mail app. on your endroid moble phone. What happens is that only your settings, passwords, and etc. regarding the e-mail app. will be deleted without touching your actual online e-mail account.
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What happens if I clear cache on Google Photos?

To sum up, 'Clear Data' will not hamper your Google Photos library or remove any images that are stored on that device. It will only restart the application's settings which will necessitate you having to do everything all over again.
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What is the difference between clear storage and clear cache?

Clear cache: Deletes temporary data. Some apps can open slower the next time you use them. Clear data storage: Permanently deletes all app data. We recommend trying to delete from inside the app first.
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Should I delete cookies?

You definitely should not accept cookies – and delete them if you mistakenly do. Outdated cookies. If a website page has been updated, the cached data in cookies might conflict with the new site. This could give you trouble the next time you try to upload that page.
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How do I clear cookies on my computer?

Chrome for Android
  1. Tap Chrome menu > Settings.
  2. Tap (Advanced) Privacy.
  3. From the "Time Range" drop-down menu, select All Time.
  4. Check Cookies and Site data and Cached Images and Files.
  5. Tap Clear data.
  6. Exit/quit all browser windows and re-open the browser.
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How do you clear cache on a laptop?

1. Delete the browser cache with a shortcut.
  1. Press the keys [Ctrl], [Shift] and [Del]. ...
  2. A new window opens: "Clear Browser cache".
  3. Here you can select in the upper dropdown-menu , for which time period you want to delete the cache data. ...
  4. If you want to delete all cache date , select "all".
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Does clearing cache speed up browser?

Furthermore, you may encounter browser errors like run time error or buttons missing on a page. Clearing cache and cookies in your browser helps fix these issues. Actually, clearing cache and cookies can significantly improve the speed and performance of your browser.
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What data should be cached?

General Cache Use Cases

In-memory data lookup: If you have a mobile / web app front end you might want to cache some information like user profile, some historical / static data, or some api response according to your use cases. Caching will help in storing such data.
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Should I clear cache on my phone?

You should clear cached data on Android periodically, depending on how heavily you use your Android device. Obsessively clearing your Android cache would be counterproductive, since the point of saving temporary files is to make your regular app experience smoother.
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What is Facebook cache?

A cache is a temporary storage location of information used by computers and apps to facilitate fast loading times. Facebook cache stores temporary data, including information from all files and links, allowing users to access images, comments, posts, pages, etc., much faster as they don't need to re-download the files ...
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Why is my Gmail not receiving emails?

If your Gmail account isn't receiving emails, it could be due to a few different problems. Every email you receive takes up space, and if your Google account runs out of storage space, you can't receive new emails. You might also have the wrong Gmail inbox settings, or lack a stable internet connection.
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Why are my Gmail emails not downloading?

If Gmail is not receiving emails, that might be caused by many issues, including a server outage or lack of Internet connection. Other reasons for not getting emails in Gmail can be filters, antivirus firewalls, or insufficient account storage.
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How do I clear cookies from Gmail?

Clear browsing data.

At the top, choose a time range. To delete everything, select All time. Next to "Cookies and other site data" and "Cached images and files," check the boxes. Click Clear data.
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