Answer:
Time taken to travel from one track to the next = 0.08ms
Initial track= 15 0
4 (15-4)*(0.08)= 0.88
40 (40-4)*(0.08)= 2.88
35 (40-35)*(0.08)= 0.4
11 (35-11)*(0.08)= 1.92
14 (14-11)*(0.08)= 0.24
7 (14-7)*(0.08)= 0.56
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Total seek time=0.88+2.88+0.4+1.92+0.24+0.56=6.88ms
Explanation:
We caculate the seek time for each request, and then add them together to find the total seek time. The final track number for the current request becomes the current track of next request, and this process is repeated till the last request is processed.
Answer:
The advantage for the above condition is as follows:-
Explanation:
- If a user creates a defined constant variable and assigns a value on its and then uses that variable instead of the value, then it will a great advantage.
- It is because when there is a needs to change the value of that variable, then it can be done when the user changes the value in one place. There is no needs to change the vale in multiple places.
- But if there is a value in multiple places instead of a variable and there is no constant variable, then the user needs to change the value in multiple places.
Answer:
Ronald missed the words: One-time password, Secure
Explanation:
Whenever we use public computer, there are possibilities to steal the user data by hackers. It might not be safe to use as like we have protection in personal or Office computers. But when a situation arises to use a public system, it is always recommended to use one-time password so that the logins are not misused thereafter.
Even if the hackers try to misuse, the user will get a message / authentication reply to use the login and thus we are safe. Also, always browse only secured website ie. “https”.
Answer:
1. Respecting rules and cookies while browsing a website.
2. Being kind and properly following the requirements the owner asks you to follow. Reporting any sort of comment or image that is hurtful/harmful.
Explanation:
1. By the rules and cookies for a website, you ensure the safety of your device and are not putting any information at risk.
2. Cyberbullying is a huge issue and you can reduce cyberbullying with the simple steps of being kind and respecting others.
Conclusion:
These rules are examples of good digital citizenship and following them will benefit you and your peers greatly.
