Posts tagged "computer"

Scam and Hoax calls.

March 10th, 2020 Posted by General, Security 0 thoughts on “Scam and Hoax calls.”

Photo by Michael Geiger on Unsplash

I thought I would broach the subject of scam calls again this month.

 

They are still around and seem to be on the increase again.

There are two mains attacks to be aware of at the moment, as follows.

 

Amazon

Firstly, and the most common is a scam where the caller pretends to be from Amazon and is calling about your Amazon Prime account. They claim that your payments have lapsed, and your account will be suspended.

Quite often it is a recorded message or computerised voice that you hear. This should be obvious that it is a scam.

Then they try to take payment from you to ‘reactivate’ the account. It is, of course, bogus and under no circumstances should you give them any payment information.

If you do, the scammers will try and take as much as they can from you. One customer of mine was recently a victim and the scammers tried to take nearly £20,000. Luckily, the customer’s bank stopped the transaction as they suspected it was fraudulent.

ISP

The other scam calls still doing the rounds are callers pretending to be from your Internet Service Provider, or I.S.P. for short.

They claim to be from B.T., Virgin or whoever your ISP may be. The premise is that they have detected a problem with your service and need access to your computer to ‘fix’ it for you. This is untrue in every case and under no circumstances should you let them have access to your computer.

Once they gain access you have no control of what they do and see. They can then install anything, including malware, key logging software or set up the remote access so they can continue to get access in the future without your knowledge.

Computer message

Another variation on this scam is one that starts on your computer. A message may pop up on your screen saying you have a problem and to call a particular number in order to ‘fix’ it.

This again is a scam, and you should not ever call the number displayed. They will, again, try to persuade you to grant them access to your computer. Usually these messages pop up as a result of a compromised advert on a webpage.

 

As ever if you have been affected by any of the above scams then please get in touch for assistance and advice as to what to do next.

Contact me

Thank you for reading,

 

Damian

Computer jargon

July 10th, 2018 Posted by General 0 thoughts on “Computer jargon”
Motherboard

Computer motherboards

Do you feel mystified when it comes to computer jargon or technical terms?
Don’t worry, I’ll try and simplify things for you.
Let’s start with some of the main computer jargon terms used.

1) CPU

The Central Processing Unit or the brains of your computer. The bit that processes all the data you give it. CPUs come in different types and speeds. There are two main manufacturers of CPUs for computers, Intel and AMD. Generally the faster the speed of the CPU the more information it can process, i.e. the more work it can do. Most current computers have processors that run at 2 Gigahertz or faster. That’s 2,000,000,000 operations a second.

2) RAM

Random Access Memory. The working memory of your computer and is currently measured in Gigabytes (GB). Most new computers come with at least 4GB of RAM. The more RAM you have the more your computer can do. It is like an office desk, the bigger the desk, the more paperwork you can have open. The more RAM you have the more programs you can have open and running at the same time, therefore the faster your computer will run. When you switch your computer off, all the information stored in RAM is lost.

3) Hard Drive

This is the storage area where all the information on your computer is held. The data on the hard drive is NOT lost when the computer is turned off. All your pictures, documents, music etc. is stored on the hard drive. Therefore, the bigger the drive is the more music or pictures you can store on it. Most current computers come with at least a 500GB hard drive. You can easily extend this storage by purchasing an external hard drive that plugs into your computer. Recent advances in technology have seen an increase in the use of SSDs or Solid State Drives. These types of storage devices are generally smaller capacity but much faster than traditional hard drives as they do not have any moving parts. However, they are more expensive per Gigabyte of storage, usually around 3-4 times the price of a traditional drive of the same capacity.

4) Graphics card

This refers to your computers display. A graphics card is an add on circuit board which plugs into the main board of your computer. The better the graphics card then the higher resolution it can display. Computer games can require a lot of graphics power so those people who do a lot of gaming, especially 3D games, choose a higher powered graphics card. Most graphics cards have their own, dedicated graphics RAM, although some systems share the RAM with the main computer.

Damian.

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