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Difference between Modem and Router

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Difference between Modem and Router

The difference between a modem and a router may still be unknown to many, especially since both are hardware devices related to internet connections.

In form, the two look almost the same, but there are big differences when it comes to function.

DIFFERENCE BETWEEN MODEM AND ROUTER

Definition of Modem

Modem stands for Modulator Demodulator, a piece of hardware that assists two-way communication between internet signals and PC devices.

The Modem converts digital signals to analogue signals or vice versa and helps the PC connect to the internet network.

Definition of Router

A router is a piece of hardware that can connect multiple networks and then share it with many devices that need/can receive an internet network.

In addition to the internet network, routers can transmit data on every connected device. So the function is more complex.

CONCLUSION

Routers and Modems can connect analogue signals and digital signals to be received by other devices. But Router can connect multiple networks, unlike Modem, which is static.

Indeed, many internet providers combine the two in one device, but if we discuss them separately, you can immediately tell the difference, as we have informed you.

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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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