Diagnose Types of Computer Viruses

There are different types of computer viruses, depending on the nature of the executable program and what the rogue programs actually do when they begin infecting a host system.

Differentiating viruses and spyware

Technically, spyware, malware and adware are not types of computer viruses. There is often confusion here; most users call all undesirable programs viruses. However, for the sake of technical clarity, we must correct this.

Computer viruses, like their biological counterparts, are known for their self-replicating capabilities. This means the virus can spread from one system (a system is your personal computer, laptop, etc.) to other systems.

Back in the nineties, MS-DOS viruses and BIOS-infecting viruses often spread from unchecked floppy disks that passed from one user to another (and consequentially, one computer to another).

Many of these viruses wiped out vital documents and other system files. Some of these MS-DOS viruses were considered as "joke viruses" because they tend to deactivate after one appearance. However, the same can not be said of computer viruses today.

Mode of infection

As we have mentioned before, there are varying types of computer viruses based on what these programs do. A non-resident virus is the simplest type; it's composed of a seeker module and an infectious module. The seeker module is responsible for finding individual files to infect. When such files are found in the infected host system, the infectious module is activated next to infect that file.

Resident viruses on the other hand, have not been created with seeker modules. Instead, these viruses have been designed to load whenever the system does. It waits, like a hunter, in the background until target file types are activated by the user.

Fast-infectors and slow-infectors

Resident viruses are further categorized based on specific actions of the programs within the host system. Fast-infecting resident viruses tend to infect each file that has been activated or used in the system (you can imagine what this kind of virus can do to a school computer system).

Fast-infecting resident viruses are lethal to low-grade antivirus programs. If the antivirus program does not use heuristic methods to trace potential viruses, the fast-infecting resident viruses can "ride" on the scanner program and infect each file that the virus program scans.

The polar opposite of fast-infecting resident viruses is slow-infecting resident viruses. These viruses tend to avoid detection by activating only with specific actions (like file transfers). Since the mode of infection of slow-infecting resident viruses is limited, many anti-virus suites find the offending virus before it can cause any real harm. …

Why SEO Content Writing and Blog Writing Are Important

SEO content writing is an important skill, and your blog writing abilities may well determine your online success – or lack of it! If you have a website or a blog, then its success will likely lie in the quality of its content.

Why is that? Well, think for a moment. If you are looking for information on the internet, then you want it to appear genuine and accurate. If you came across a web page or blog post that was poorly written then another that you found easy to follow, which would you stay on? Which would you buy from?

It's a no brainer! Many people spend more time on designing a great-looking website with fabulous graphics and forms. How about the content? Sure, a lovely design or photograph looks wonderful, but if your visitors wanted that they would go to Flickr or Pinterest! That's assuming that they found your website or blog at all!

SEO Content Writing and Google

We are using Google as our default search engine because it is the most widely used in the world. China's Baidu is a close second! If you use Google as a search engine to find information, then you will enter a search term into the Google search window. You can equate that search term to a keyword. Your job is to ensure as far as you can that Google believes that your page provides what that searcher is seeking. It will list the top ten such web pages on its first search engine results page.

The process of maximizing your web page's chances of being one of those top ten is known as 'search engine optimization' (SEO). In trying to be one of these top 10 results, you can get bogged down with SEO when writing web content. Many over-SEO their web pages while others provide Google with insufficient data to make them worth indexing, let alone ranking in a high position in the search engine results pages (SERPS – lots of acronyms in internet marketing!)

Too much SEO is just as bad as having none at all. Keyword spamming and overuse of the same text time and time again will result in your page being ignored and not even indexed by Google, let alone listed in the SERPs.

Blog Writing and Content Writing are a Skill

SEO content writing refer to the skill of writing web content or blog posts that persuades Google algorithms (spiders, etc.) that your page has sufficient authority to be ranked highly for a specific search term or keyword. It is a true skill that most believe they have, but in reality they do not.

Blog writing is the same as web content writing: each is the same in Google's eyes. It is said that each should be written for the reader, and not for search engines. Excessive keyword density must be avoided, but the vocabulary used on the page or post must display an expert knowledge of the topic that Google's user is …