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Home > About me > I teach to buy computer

What computer malfunctions do we know?
1. The most common computer problem is located between the chair and the computer monitor.
2. Software problem - There is a problem with the operating system or application.
3. Hardware problem - There is bad contact between computer components or physical damage to a component.

How to choose a computer?
Are you willing to invest in buying a computer to serve you for 10 years? Will you use it using a battery without an electricity connection? How large and heavy portable computer will be right for you? How large display will allow you to work faster on an office computer? Do you want a gaming PC with a QUALITY integrated graphics card for playing games at lower details? Do you need a gaming PC with a QUALITY dedicated graphics card for playing games at maximum resolution and details? How will you find out which computer components are powerful and which are not?

What should you avoid?
Are you buying a computer without an optical drive, but want to play a CD / DVD on it? Are you buying a computer without a USB-C port and still want to use it? Are you buying a quality computer that will be slowed down by one low-quality component? Are you buying a powerful computer that has a poor quality display/monitor? Are you buying a computer that will consume a lot of electricity? Are you buying a portable computer with a low battery capacity that drains quickly? Are you buying a 13-inch tablet that does not fit in your handbag? Are you buying a powerful computer that has a slow HDD? Are you buying a gaming computer with an integrated graphics card? Are you buying a computer with a powerful or energy-efficient graphics card?

Desktop computers
The most powerful computers for home use take up the most space. They consist of a separate monitor - usually with a screen diagonal of 24 - 32 inches (61 - 81 cm). A computer case contains the motherboard, processor, RAM, SSD or HDD, graphics card, optical drive, power supply unit, and more. Some computer components need to be powerful, others don't, depending on what you use it for. Some computers need a fast processor, others a fast graphics card, others a fast SSD or a large RAM.

All-in-One computers
All-in-One computers are located directly in the body of the monitor, these are mostly office computers. You connect a keyboard, mouse and you can work with a complete computer. The screen diagonal is usually 20 - 28 inches (51 - 71 cm).

Portable computers with battery
Laptops are portable computers that have slightly lower performance than desktop computers. The main disadvantage over desktop computers is the smaller diagonal of the display, usually 13.3 - 17.3 inches (34 - 44 cm). Tablets are devices mostly with a diagonal of 10 to 13 inches (25 or 33 cm) and usually without a keyboard. The tablets use 5G or 4G LTE internet, but some models only have a WiFi connection. Some tablets can also be used to make phone calls and send text messages.

Mini PC
Office computers without a monitor with dimensions of about 6 x 6 x 2 inches (15 x 15 x 5 cm).

USB stick computers
A specific computer that looks like a USB key.

Mining computers
A specific computer that is used to mine cryptocurrencies such as Bitcoin and others.