Topicm0483b5c6b0f33354_1528449000663_0Topic

Use external devicesexternal devicesexternal devices in a safe and ergonomic way

Levelm0483b5c6b0f33354_1528449084556_0Level

Second

Core curriculumm0483b5c6b0f33354_1528449076687_0Core curriculum

Grades IV‑VI

III. Using the computer, digital devices and computer networks. The student:

1) describes the features of the basic components of the computer and peripheral devices and
2) uses a computer network (a school network, the internet):
a) for finding needed information and educational resources by navigating between web sites.

Timingm0483b5c6b0f33354_1528449068082_0Timing

45 minutes

General objectivem0483b5c6b0f33354_1528449523725_0General objective

Uses external devices in the correct way.

Specific objectivesm0483b5c6b0f33354_1528449552113_0Specific objectives

1. Lists the rules that apply when connecting electrical devices.

2. Explains what parameters affect the proper brightnessbrightnessbrightness setting of the monitor.

Learning outcomesm0483b5c6b0f33354_1528450430307_0Learning outcomes

The student:

- can connect external devicesexternal devicesexternal devices correctly,

- knows the rules of safe and ergonomic operation of external devices.

Methodsm0483b5c6b0f33354_1528449534267_0Methods

1. Discussion.

2. Work with computer.

Forms of workm0483b5c6b0f33354_1528449514617_0Forms of work

1. Individual work.

2. Group work.

Lesson stages

Introductionm0483b5c6b0f33354_1528450127855_0Introduction

Look carefully at your computer workplace. Consider whether peripheral devices are properly set up and connected.

Procedurem0483b5c6b0f33354_1528446435040_0Procedure

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.

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.

The brightnessbrightnessbrightness of the monitor:

The image set in the monitor should have the correct brightness. The brightness of the monitor should be adjusted to the ambient conditions. After dark or in rooms without access to daylightdaylightdaylight, the brightnessbrightnessbrightness 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.

[Slideshow]

Monitor position:

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

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.

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.m0483b5c6b0f33354_1527752256679_0When 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.

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.m0483b5c6b0f33354_1527752263647_0Try 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.

Lesson summarym0483b5c6b0f33354_1528450119332_0Lesson summary

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

Selected words and expressions used in the lesson plan

brightnessbrightnessbrightness

connectionconnectionconnection

contrastcontrastcontrast

daylightdaylightdaylight

external devicesexternal devicesexternal devices

plugplugplug

socketsocketsocket

wallpaperwallpaperwallpaper

wirelesswirelesswireless