Computer Science, asked by altynbekkyzyuldana, 4 months ago

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:

YOU CAN IGNORE QUESTION 29

Answers

Answered by ansu56328

Answer:

1. gigahertz 2. wide area network

Explanation:

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Answered by SHIVA72552y

15. The clock speed is measured in cycles per second, and one cycle per second is known as 1 hertz. This means that a CPU with a clock speed of 2 gigahertz (GHz) can carry out two thousand million (or two billion) cycles per second.

16.Personal Area Network (PAN) ...

Personal Area Network (PAN) ...Local Area Network (LAN) ...

Personal Area Network (PAN) ...Local Area Network (LAN) ...Wireless Local Area Network (WLAN) ...

Personal Area Network (PAN) ...Local Area Network (LAN) ...Wireless Local Area Network (WLAN) ...Campus Area Network (CAN) ...

Personal Area Network (PAN) ...Local Area Network (LAN) ...Wireless Local Area Network (WLAN) ...Campus Area Network (CAN) ...Metropolitan Area Network (MAN) ...

Personal Area Network (PAN) ...Local Area Network (LAN) ...Wireless Local Area Network (WLAN) ...Campus Area Network (CAN) ...Metropolitan Area Network (MAN) ...Wide Area Network (WAN) ...

Personal Area Network (PAN) ...Local Area Network (LAN) ...Wireless Local Area Network (WLAN) ...Campus Area Network (CAN) ...Metropolitan Area Network (MAN) ...Wide Area Network (WAN) ...Storage-Area Network (SAN) ...

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