Источники информации:
1. Горячев А.В.
Информатика и ИКТ Мой инструмент компьютер. Учебник для 4 класса – М.: Баласс, 2012
2. Скриншоты
www.yandex.ru, www.google.ru, images.google.ru, www.gymnasia-2.ru
3. http://go.mail.ru/search_images?q=%D0%B6%D1%83%D0%BA%D0%BE%D0%B2%20%D0%B3%D0%B5%D0%BE%D1%80%D0%B3%D0%B8%D0%B9%20%D0%BA%D0%BE%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B8%D0%BD%D0%BE%D0%B2%D0%B8%D1%87&fr=web#urlhash=7606035017071884003
4. https://www.google.ru/search?q=%D0%BE%D0%BB%D0%B5%D0%B3+%D0%BA%D0%BE%D1%88%D0%B5%D0%B2%D0%BE%D0%B9&newwindow=1&safe=strict&es_sm=122&tbm=isch&imgil=LlPkohIiCGrRuM%253A%253BGLxTj-1G--lcnM%253Bhttp%25253A%25252F%25252Fwww.molodguard.ru%25252Fguardian1.htm&source=iu&pf=m&fir=LlPkohIiCGrRuM%253A%252CGLxTj-1G--lcnM%252C_&usg=__Z8gmF6FHRBery6ogvs6pYc8KUvo%3D#imgrc=LlPkohIiCGrRuM%253A%3BGLxTj-1G--lcnM%3Bhttp%253A%252F%252Fwww.molodguard.ru%252Fnewphoto1959.jpg%3Bhttp%253A%252F%252Fwww.molodguard.ru%252Fguardian1.htm%3B576%3B842
5. http://go.mail.ru/search_images?q=%D0%B7%D0%BE%D1%8F%20%D0%B8%20%D1%88%D1%83%D1%80%D0%B0%20%D0%BA%D0%BE%D1%81%D0%BC%D0%BE%D0%B4%D0%B5%D0%BC%D1%8C%D1%8F%D0%BD%D1%81%D0%BA%D0%B8%D0%B5#urlhash=4595953339937014870
6. http://go.mail.ru/search_images?q=%D0%B7%D0%B8%D0%BD%D0%B0+%D0%BF%D0%BE%D1%80%D1%82%D0%BD%D0%BE%D0%B2%D0%B0&us=5&usln=1&usstr=%D0%B7%D0%B8%D0%BD%D0%B0+&hasnavig=0#urlhash=8595611790817011253