Computers

HDD or SDD content Physical size - 3.5 or 2.5 inches Bus type - ide or sata Bus generation Generation of drives storage speed Hard disk capacity Buffer memory size Heating temperature and power consumption When choosing a hard disk, it is necessary to take into account parameters such as its physical size (in inches), bus type (IDE or SATA), bus generation, drive rotation speed and, of course, capacity.

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When choosing a monitor, you need to focus on four main parameters - diagonal, resolution, aspect ratio and type of matrix. In addition, it is important to consider the connection standard. Contents How to choose a monitor: regular or curved? Screen size Screen resolution Aspect ratio Monitor matrix type Monitor connection standards Summary How to choose a monitor: regular or curved?

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When choosing a computer desk, you need to build on not only the layout of the apartment and your own preferences in the design of such furniture, but some other characteristics. Contents How to choose a computer table: what to look for Dimensions of a computer table Form of a computer table Shelves for a computer table Cabinet for a computer table Summary How to choose a computer table: what to look for To make a computer table really ergonomic and comfortable, you need to pay attention to the following parameters: Dimensions ; The form; The presence of shelves; The presence of a curbstone.

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When choosing a computer mouse, you must first pay attention to its ergonomics - i.e. determine how convenient this accessory is in your hand. And the rest of the parameters are of secondary importance. Contents How to choose a mouse: parameters that you need to pay attention to Wired or wireless mouse Connection standard The presence of a scroll wheel Sensitivity of a mouse Presence of additional functional elements The surfaces on which the mouse works s A bit about ergonomics How to choose a mouse: parameters to pay attention Besides ergonomics , when choosing a mouse, you need to pay attention to the following parameters: Type of connection (wired or wireless); Connection standard (USB, PS / 2 or Bluetooth); The presence of a scroll wheel; Sensitivity (in DPI); The presence of additional functional elements (buttons, etc.)

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A computer power supply unit is a device that is designed to convert an alternating current of a household network into a direct current with strictly set values ​​of voltage and power and its subsequent delivery to the functional elements of the system unit. How to choose a power supply for the computer: parameters that must be taken into account When choosing a power supply, the following parameters must be considered: Power (in watts); The presence of the necessary connector for the motherboard (number of pins); The presence of the necessary connectors for peripheral equipment (MOLEX, SATA, 6-pin video and others).

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Uninterruptible power supplies (UPS or UPS) not only help protect important documents from a sudden power outage, but also indirectly serve as a stabilizer. How to choose an uninterruptible power supply for a computer: characteristics that you need to consider When choosing an uninterruptible power supply, you need to pay attention to the following characteristics: Type of UPS (backup, line-interactive, online); Power; Battery life; Availability of management software; The presence of additional outlets, including a telephone line and a local network; Availability of indicators; Ability to replace batteries.

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Before you start choosing and buying a laser printer, you need to decide on one very important question - what will this device be used for? Indeed, the scope determines what characteristics you need to pay attention to when purchasing office equipment. Contents Technical characteristics that you need to pay attention to when buying a laser printer. Advantages and disadvantages of laser printers. Color or black and white printer. Estimated load. Print resolution. Internal memory. Print speed. Difficulty of maintenance. Other parameters. laser printer, you need to pay attention to the following parameters: Color (color or black and white printing); Estimated load (productivity in sheets per month); Print Resolution (in dots per square inch); The amount of internal memory (in MB); Print speed (in sheets per minute); The complexity of the service.

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Laptops are a little type of computer adapted for games. This is due to the peculiarities of the mutual arrangement of the screen and keyboard, the high complexity (and often impossibility) of the upgrade, the low performance of the cooling system, and a number of other factors. Nevertheless, due to mobility and a compact form factor, many people choose laptops for games.

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When choosing a graphics card, you need to pay attention not only to its performance, but also to compatibility with the rest of the computer hardware, as well as software graphics technologies. Contents How to choose a video card for a computer: what characteristics should you pay attention to Which video card manufacturer to choose Interface Video processor Volume, type and frequency of video memory Power consumption Cooling Video card size Connectors Processor compatibility Summary How to choose a video card for a computer: what characteristics should I pay attention to pay attention to the following parameters: Developer and manufacturer of the device; Interface; Video processor; The amount, frequency and type of video memory; Power usage; Cooling system; Video card size; Video card connectors - external and additional power.

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There are two types of virtual reality glasses. The first is equipped with a built-in display and a lot of sensors, and also costs a lot of money. The second is not equipped with anything and is just a case for a smartphone. How to choose virtual reality glasses: determine the purpose and characteristics Virtual reality glasses (as well as technology) can be used for two purposes: Viewing 360-degree multimedia content (for example, roller coaster rides, videos from YouTube or Google Spotlight), including interactive; Computer games.

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When choosing a microphone for a computer, it is important to determine the purpose of its use. So, studio ones designed for sound recording are not suitable if you just need to communicate in voice chats. Conversely, low-level microphones provide too poor audio quality to be used for anything other than conversations.

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The print quality and readability of prints depend on the correct choice of paper for the printer. Content Settings to pay attention to Paper size (or format) Density Brightness Class Compatibility with printer type Summary How to choose printer paper: settings to pay attention to Please note that the recommended paper is often already indicated in the printer manual .

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The process of choosing headphones for a laptop is fundamentally no different from choosing ordinary headphones, except for a couple of “buts” - you need to decide on the standard for connecting them. Contents What to look for when buying Type of connector for connecting Types of headphones - wired or wireless Key features of headphones Summary How to choose headphones for a laptop: what to look for In modern laptops, several non-standard methods for connecting headphones are used.

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When choosing a laptop for work, you must first determine the specifics of the activity. After all, a computer for bookkeeping or making presentations does not have to be powerful, unlike a device where 3D-modeling or graphics editing is planned. How to choose a laptop for work: characteristics that you need to look at

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Modem - a device for accessing the Internet. Therefore, before you go to the digital store, you need to determine how the computer will connect to the network. A modem is needed only if you plan to access the Internet via 3G / 4G or ADSL. For PPPoE networks with static or dynamic IP, such a device is not needed.

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The main requirement for graphics cards designed for use in gaming computers is high graphics performance. But it does not only consist of the amount of video memory. Which video card to choose for games: characteristics that you need to pay attention to The high graphics performance of a video card consists of three parameters: Chip generation (number of processing cores, their clock frequency); The amount of video memory; Cooling system (to avoid throttling - reducing the clock frequency of the chip during overheating).

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With the development of mobile electronics, tablets have become significantly cheaper. Today, even a relatively productive device can be purchased for $ 100-150, especially at the sale of some Chinese online store. However, not all budget tablets are equally useful. How to choose an inexpensive tablet: characteristics that you need to pay attention to The general usability of a tablet consists of two factors - its technical characteristics and usability.

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When choosing a webcam, you need to pay attention first of all to the purpose of its use. So, for communicating on Skype, less high-quality models will be required than, say, for organizing workplace monitoring. How to choose a webcam: parameters that you need to pay attention to When choosing a webcam for a PC, the following criteria should be followed: Matrix type; Matrix resolution; Photosensitivity matrix; The number of frames per second; Connection interface; Operating system support; Built-in microphone Additional functionality.

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When choosing a keyboard, convenience comes first. It is also necessary to determine the type and standard of connection. How to choose a keyboard: what to look for When choosing a keyboard, it is recommended to pay attention to the following parameters: Connection type (USB or PS / 2); The presence of wire; Type of installation of keys (mechanical or membrane); Availability of backlight and additional function keys.

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Transportation of the laptop in a special bag will protect the device from external factors - shock, moisture, low or high temperature. How to choose a laptop bag: what to look for When choosing a laptop bag, you should pay attention to the following parameters: Type; Materials Protective functions; Additional departments.

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