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ИНФОРМАТИКА 8 КЛАСС 1. Which parts of the body should paid attention to use electronic devices properly?
2. What kind of activities should be done to prevent from negative effects of using electronic devices?
3. The smallest unit of information is called...
4. How is information stored in a computer?
5.Convert the following numbers from decimal to binary equivalents: 254 = , 112 = , 25 =
6. Convert the following numbers from binary to decimal equivalents: 100010 = 111010 = 100101 =
7. What is the encoding standard that computer uses to represent data?
8. Represent the following message in binary using ASCII: “Hello. I like to study ICT”
9. A computer transforms commands to computer language and vice versa. So it will transform next binary information into meaningful information for humans by using ASCII code. What will be the result? 1. 01001011 01000101 01000101 01010000 2. 01000101 01000001 01010010 01001110 3. 01001001 01001110 01000111
10. In ASCII each character is coded as a byte or bits .
11. What will be the size of the fi le, if it has a text “Computer Science” inside?
12. Represent “15 + 4 = 19” in binary number system.
13. A device that controls other parts of the computer. It works same as the human brain controls the body.
14. Describe how parts of a CPU such as ALU, CU, Cache run calculator programs on a computer.
15. CPU speed is measured in and .
16. Which types of network connection are used everyday?
17. IP address of your computer is 192.168.42.129. The computer understands only the computer language. So convert the IP address from decimal to binary.
18. Describe the network connections in “Instagram” application. Say why this connection is important for users.
19. What is the measurement of a network bandwidth?
20. Calculate the download speed if it takes 28 minutes to download 200 MB file?
21. You are sending a message to your friend using Internet. You want to attach a 15 MB file. Your download speed is 5 Mb/s and upload speed is 3 Mb/s. How much will it take tosend this mail?
22. You are calling your friend by Skype or Facetime. Quality of image and voice signal is poor. Which of the following factors can cause this problem? Why? (Bandwidth/Latency/Delay)
23. List common cyber attacks to a computer.
24. If you can download a 3 MB song in 3 seconds, how muchtime do you need to download a 1.5 GB movie using the same connection?
25. How is it possible to protect devices from cyber attacks? What common ways can we use?
26. What viruses in biology and informatics have in common? What are their differences?
27. Relate to Baurzhan Momyshuly’s quote, how does it relate to the topic of Software Licensing?
28. Fill in the blanks. A computer Virus can: your private information. your files, so you cannot find them. your computer.
29. Which type of attacks is more dangerous for popular websites such as kaspi.kz, egov.kz, kundelik.kz?
30. Match the following ways of network connections with its descriptions:

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Ответ:
lorunshik
lorunshik
29.09.2021 19:06
I am going to speak about  Aleksandr Pushkin , an Russia's greatest poet.
He was born in   May 26, 1799 Moscow, Russia, in the noble family (his father was the retired major).
He grew up in   Moscow with his grandmother   and spent his childhood with his  nurse  Arina Rodionovna.
He was very interested in reading and read all the books that he could get.
Pushkin  wrote his first poems at the  Imperial Lyceum in Tsarskoye Selo, where he studied for 6 years.
When he grew up, he became a member of another society called the Green Lamp. At the same time he made friends with the people from Decembrist communities.
He continued write not only poems,  but  novels and in addittion he started to write fairy tales  too.
In 1820 the poet went to the Caucasus and, then, to the Crimea with the intention of recovering from his pneumonia.
In 1828 Pushkin was married beautiful 16-year-old Natalya Goncharova.
In 1837 Pushkin challenged Georges d'Anthes to a duel.
Pushkin was injured and died 2 days later after the duel, on the 29th of January
In conclusion, I would like to say that Pushkin is the founder of the contemporary Russian literary language.
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Ответ:
aydana040505
aydana040505
29.09.2021 19:06
Lady Gaga was born in1986. Her real name is Stefany Joanne Angelina Germanotta. She could play the piano by ear from the age of four and later said her musical inspiration was the classical composeer Sebastian Bach. Gaga always loved perfoming and dreamt of fame from an early age. at 17 she became one of the yongest students at the Tisch school of Performing arts in New York. After that she followed her dream the hard way moving of her parent's home to a cheap flat while trying to earn a living as a singersongwriter. It wasn't easy. Gaga spent a few years perfoming in clubs without success. Then her luck started to change. She began writing songs for succsessful artists like "Breatny Spears" and "The Pussycat Dolls" and music executives quickly spotted her taelent for writing pop hits. Meanwhile Gaga was developing her own image and perfomance style wearing outrageous costumes wigs and make-up. Lady Gaga set up her own website as well as "My Spase" "Twitter" "You Tube" and "Facebook" profiles to promote her music. This was the turning point. She grabbed the attention of the world. She even made her songs avalible as free downloads. Lady Gaga also used these social media sites to chat with fans about various things such as her latest fashion statement or the lyrics of a new song. In fact Lady Gaga's Twitter page now has 7.5 million followers! Lady Gaga shows no sing of slowing down. She writes songs she sings and she dances surprising audiences with her unusual clothes. her taelant and hard work have made her a regining icon of today's pop culture. 
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