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What is Email?

What does E-mail mean?

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What is Email

Email is an abbreviation of electronic mail, which is known as electronic mail (email) in English. However, the word e-mail is more familiar to the public than e-mail.

Electronic mail has the same general functions as a conventional mailbox. Conventional mail is used to receive physical letters, while e-mail is used to receive electronic letters ( e-mail ).

In the following, We will explain what e-mail or e-mail is that is often used by modern society today.

UNDERSTANDING EMAIL

What does E-mail mean

This e-mail or electronic mail serves to send a message in various forms. Such as in the form of text, images, files, audio, video and others via the internet.

Actually, this electronic mail has been used since 1960, but at that time there was no internet network, so there were only a collection of mainframes that formed a network.

This mainframe is a large computer in ancient times and is often used to process data and applications.

History of E-mail

Ray Tomlinson is the person who put forward the concept of electronic mail in 1971. At that time he worked at a company Bolt Beranek and Newman.

The company is an American state defence agency with a computer program called SNDMSG.

A program that is usually used to leave messages on a computer, so everyone who uses the computer will read the messages left behind.

Then Ray Tomlinson conducted an experiment by connecting SNDMSG to a protocol called CYPNET, which was still within the scope of an ARPAnet network.

The first message that was sent by Ray via electronic mail was QWERTYUIOP. Then in 1972, he introduced the @ symbol (read et) which symbolizes the identity of the email to this day.

Currently, there are several electronic mails or email providers that are familiar and very well known in the community.

This is a list of free e-mail service providers available on the internet:

  • Gmail.com
  • Yahoo.com
  • Outlook.com

That’s an explanation of what e-mail is or the e-mail that we now use to send messages over the internet. Hopefully useful Guys!

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What is CPU Cache?

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What is CPU Cache

Have you ever heard the term CPU Cache on your computer device? if so, in this article we will provide more detail about what it is and how this CPU cache functions on your computer device.

CPU cache refers to the cache memory hierarchy built into the CPU. Most modern CPUs have multiple levels of cache, with each level having the greater capacity and slower access times than the level below it. Levels are usually numbered, with Level 1 (L1) being the smallest and fastest cache level and Level 3 (L3) being the largest and slowest cache level.

So we can conclude, the CPU Cache is a small and fast memory area built into the CPU (Central Processing Unit) or located in the processor die. The CPU cache stores frequently used data and instructions from the main memory to reduce the number of times the CPU has to access the main memory for this information. This can greatly improve system performance, as accessing data from the CPU cache is much faster than accessing data from main memory.

In a multi-core CPU, each core has its own cache memory. This allows each core to store and access frequently used data and instructions independently without accessing main memory or other core caches. This can improve CPU performance by reducing the time each core spends waiting for data and instructions from main memory or other cores, allowing the CPU to perform more tasks simultaneously and increasing its overall speed and responsiveness.

Software on a computer device performs a lot of repetitive processes or requires fast access to large amounts of data, in this case, the CPU Cache has an important role in the process of running software, which can improve software performance and reduce the time needed to complete this software process.

Some examples of software and software that have an impact on this CPU Cache are:

  • Database management systems, often perform many iterative queries and require fast access to large amounts of data stored in databases. So that data processing by the application is faster
  • Video editor software that may need to quickly access large amounts of video and audio data to perform real-time editing and playback, with CPU Cache will make the editing process lighter and faster
  • A game on a computer can also benefit from this CPU cache
  • And several other application processes

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Difference between Spyware and Malware

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Difference between Spyware and Malware

The difference between Spyware and Malware is sometimes. Still, many people think that these two are the same, even though they are very different.

In short, malware is a general term used to describe several types of malicious software, including adware, Spyware, trojans and others.

Spyware is a specific type of malware, but it is very different from most other malicious software.

THE PURPOSE OF SPYWARE AND MALWARE

Most malware is designed to harm your computer in some way. Many programs can accidentally damage your laptop, but malware’s sole purpose is to cause errors, slow down your computer, or spread viruses.

The purpose of Spyware derives from its name and is designed to monitor your actions. Spyware will see what sites you visit and, in more extreme cases, track what you type to steal your passwords and personal information.

The effect

Malware, such as viruses and trojans, will generally only cause problems on your computer—examples like slowing it down or generating an error.

Spyware collects your personal information and can cause more long-term damage by giving others access to your online accounts, bank information, etc.

How to prevent it

This can be transmitted in various ways such as:

  • From the websites, you visit.
  • The program you downloaded.
  • And the email you opened.

Because of this, they often have more entry points and can more easily infect your system.

And prevention requires using a firewall and ensuring your antivirus program can work in the background to detect it automatically.

Spyware can be more complicated to detect and may infect your system without your knowledge. Antispyware programs are more effective in the removal phase, not prevention.

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Difference between 404: Not Found and 403: Forbidden

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Difference between 404 Not Found and 403 Forbidden

The difference between 404: Not Found and 403: Forbidden is not significant. Guys, both are codes that indicate failure to access a website.

So if 404: Not Found, it is a code that indicates if the server failed to find any information related to the website/site you want to go to.

While 403: Forbidden is an error code that indicates if the site you are accessing does not display the data you want to access because some information on the site may be forbidden for many people to see.

Only if in 403: Forbidden the case can have a different meaning and become a protection for the website because basically, it can ward off foreign attacks that want to steal the site’s data.

But both are still detrimental to the website owner because obviously, the visitors will immediately leave your site.

If you are the owner of a website/site, you should avoid them, guys.

Yep, that’s the difference between 404: Not Found and 403: Forbidden; you should be able to start distinguishing the two, guys.

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