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Use external devices in a safe and ergonomic way

Source: licencja: CC 0.

Obsługuj urządzenia zewnętrzne w sposób bezpieczny i ergonomiczny

You will learn
  • rules that apply when connecting computer devices,

  • to connect external devices correctly.

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Before you start, do the following:

  • Look carefully at your computer workplace.

  • Consider whether peripheral devices are properly set up and connected.

In order for your computer to function properly, not only the right software is important, but also the proper handling of its components. It is also important that various computer parameters are adjusted so that using it does not negatively affect your health and well‑being.

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Electrical equipment

Each computer set consists of at least four basic devices. Each of them is powered by electricity. Some operate wirelessly and are powered by batteries, while others should be connected with a power source using cables.

Use special caution when using these devices. They should be used in accordance with the instructions in the operating manual.

  • The central unit and other devices should be set up so that nothing hinders reaching them.

  • The cables should be orderly placed. They should not lie in the passages, so that no one would stand on them.

  • The plugs should be firmly pressed into the correct sockets in the computer devices. Each type of peripheral device has its own type of plugplugplug and socketsocketsocket, so recognizing the right connectionconnectionconnection is not difficult.

  • The central unit should be positioned so that the air flow is correct. Otherwise, the elements responsible for cooling its interior will not be able to maintain the right temperature.

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The brightnessbrightnessbrightness of the monitor

The image set in the monitor should have the correct brightness. The brightnessbrightnessbrightness of the monitor should be adjusted to the ambient conditions. After dark or in rooms without access to daylightdaylightdaylight, the brightness of the picture should not be too high. It is advisable to switch on an additional light source.

The other parameters of the monitor and system should also be properly selected, i.e. contrastcontrastcontrast, colour saturation, size of icons and text. In order not to strain your eyes unnecessarily try to choose wallpaperwallpaperwallpaper on the screen with softened colours.

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Przykłady tapet na ekranie monitora. Instrukcja obsługi z poziomu klawiatury: 1. Uruchomienie aplikacji - ENTER, 2. Na każdym ze slajdów czytany jest automatycznie tekst alternatywny po polsku, 3. Przy pierwszym uruchomieniu na pierwszym slajdzie, czytanie tekstu po angielsku - TAB, 4. Przejście między slajdami: do następnego slajdu - TAB, do poprzedniego slajdu - TAB + SHIFT, 5. Przejście do czytania napisu po angielsku - strzałka w górę + strzałka w dół (czyta tekst po angielsku widoczny na slajdzie).
Source: GroMar, licencja: CC BY 3.0.
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Monitor position

The monitor should be properly pushed back on the desk and tilted slightly backwards.

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The volume of devices

Too loud and prolonged listening to music and other sounds can lead to hearing damage. Remember this, especially when using headphones at work or playing with a computer.

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Cleaning of devices

When you intend to clean any of the computer devices, remember to use the means intended for this purpose, e.g. appropriate cleaning cloths for the monitor, compressed air for cleaning the keyboard.

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Eating and drinking at the computer

Try to get into the habit of not eating and not drinking at the computer. Replacing the keyboard with a beverage may result in permanent damage. Also, small crumbs that fall between the keys limit its functionality and may lead to its damage.

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Compliance with the rules of proper connectionconnectionconnection of external devicesexternal devicesexternal devices ensures safe and comfortable work with the computer.

Exercises

Exercise 1
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Wersja alternatywna ćwiczenia: Determine which sentence is true. Możliwe odpowiedzi: 1. The microphone allows you to input audio signals to and from your computer., 2. In night conditions, the brightness of the picture should not be too high., 3. Too many items on the desktop distract and strain your eyes., 4. Flush the keyboard with water or a sweet drink has no negative effects.
zadanie
Source: GroMar, licencja: CC BY 3.0.
Exercise 2

Search on the Internet what the terms Bluetooth and Wi‑Fi mean.

Write their definition in a notebook.

Exercise 3

Explain in English what to pay attention to when adjusting the brightness of the monitor.

Exercise 4
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Wersja alternatywna ćwiczenia: Indicate which pairs of expressions or words are translated correctly. Możliwe odpowiedzi: 1. urządzenia zewnętrzne - external devices, 2. bezprzewodowy - wireless, 3. połączenie - connection, 4. jasność - brightness, 5. kontrast - daylight, 6. wtyczka - socket
zadanie
Source: GroMar, licencja: CC BY 3.0.
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Interaktywna gra, polegająca na łączeniu wyrazów w pary w ciągu jednej minuty. Czas zaczyna upływać wraz z rozpoczęciem gry. Jeden ruch to odkrywanie najpierw jednej potem drugiej karty z wyrazem. Każdy wyraz jest odczytywany. Kolejny ruch to odkrywanie trzeciej i czwartej karty. W ten sposób odsłuchasz wszystkie wyrazy. Nawigacja z poziomu klawiatury za pomocą strzałek, odsłuchiwanie wyrazów enterem lub spacją. Znajdź wszystkie pary wyrazów.
Source: Zespół autorski Politechniki Łódzkiej, licencja: CC BY 3.0.

Glossary

brightness
brightness

jasność

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wymowa w języku angielskim: brightness
connection
connection

połączenie

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wymowa w języku angielskim: connection
contrast
contrast

kontrast

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wymowa w języku angielskim: contrast
daylight
daylight

światło dzienne

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wymowa w języku angielskim: daylight
external devices
external devices

urządzenia zewnętrzne

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wymowa w języku angielskim: external devices
plug
plug

wtyczka

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wymowa w języku angielskim: plug
socket
socket

gniazdo

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wymowa w języku angielskim: socket
wallpaper
wallpaper

tapeta

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wymowa w języku angielskim: wallpaper
wireless
wireless

bezprzewodowy

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wymowa w języku angielskim: wireless

Keywords

brightnessbrightnessbrightness

connectionconnectionconnection

daylightdaylightdaylight

external devicesexternal devicesexternal devices

wirelesswirelesswireless