Almost every software application and technological device will require a password to control access. This means that the number of passwords you need to remember, grows. Moreover there is always the tendency to use the same password for devices or applications. This habit should be avoided as it poses a serious security risk. Even if you have 20 passwords they must all be unique. So how should you handle your passwords, checkout the sub topic passwords ethics below;
Password Ethics
Keep all your passwords unique; yes, if you have 20 devices/apps. that require passwords, they must all be different.
The passwords should not be easy to guess; ensure that your passwords are not patterned such that it makes them easy to decode.
Avoid short passwords;The longer, the better.
Make strong passwords by using a combination of symbols, numbers, lower and uppercase letters.
Keep your passwords in a safe place. You can write them down and store them in a place only known to you. You can even store them in your computer, just don’t make it obvious. Better still, you can use a password manager
Using your internet browser go to: https://accounts.google.com
Enter your name into the placeholders provided. Input a name for your @gmail.com address. If the name is already taken you will be given alternatives. If you are not satisfied with the alternatives, continue inputting names of your own until it is accepted.
Complete the remainder of the information requested and agree to Google’s term of service to move to the next stage. You can start using your google account at this stage. Your new Google account comes bundled with a lot of apps including:
gmail
google docs ( similar to Microsoft office)
google drive (15Gb free online storage)
google photos
and much more, all in one place.
You will then be taken to the core of YourAccount page. Here you have the opportunity to fully customize your account and provide a higher level of security for your account. You can edit and update your personal information as well. In fact there are many things you can do on this page to make your Google account truly yours.
By clicking on the top right icon of your accounts page you can change your profile picture if you like
Italy and Wales are the first teams to qualify for the second round in the ongoing EURO 2020 Championship. They qualified automatically from group A after coming 1st and 2nd respectively. Italy laid down their title credentials after wining all there 3 matches in the group including the 1-0 victory over Wales in their latest match played. Wales narrowly took second spot by a superior goals difference to 3rd placed Switzerland. Turkey finished last in group A with no point.
Matches played so far in EURO 2020
Wales and Italy will play the runners up in group B and C respectively. As things stand in group C, Italy are likely to avoid a potential early meeting with Netherlands. Wales will also avoid playing Belgium in the round of 16 as things stand in group B. Switzerland will have to wait to see if they qualify as one of the 4 3rd best placed teams. Should Switzerland qualify, a tough game awaits them as they may play the winners of either group B, E or F in the round of 16.
Your laptop battery power rating can be found labelled on the battery. A typical laptop battery rating is as stated below;
Laptop battery
11.1V, 5.2Ah, 57Wh.
This means that the battery supplies 11.1 volts, a current of 5.2 Ampere hours and a power of 57 Watts hour.
What does this information really tell? 5.2Ah means the battery can supply a current of 5.2A in one hour before it runs out . Or 57 Watts in one hour before it depletes provided the voltage supplied remains constant.
So let’s say your laptop power rating is 30Watts then on a battery capacity of 57Wh, your laptop will run for( 57Wh÷30W)= 1.9h or almost 2 hours. In reality it may be more or less as a result of several factors.
Both Watts hour( Wh) and Ampere hour( Ah) are measures of battery capacity. However, Wh is more reliable.
A laptop battery is usually made up of small battery cells. These battery cells are similar in shape to AA alkaline batteries but bigger..
6 cell laptop battery
Laptop battery usually consists of at least 3 or 4 battery cells arranged in series. To increase the laptop battery capacity, 2 or more sets of 3 or 4 battery cells in series are arranged in parallel.
The smallest laptop batteries I have come across are the 3 cell batteries. That is, consisting of 3 battery cells in series. These types of batteries are usually made for netbooks.
The standard laptop battery is made up of 6 cells. It consists of 2 sets of 3 battery cells in series, connected in parallel.
Similarly, a 9 cell laptop battery consists of 3 sets of 3 battery cells in series, connected in parallel. Of course there are laptop batteries. comprising sets of 4 battery cells in series, connected in parallel.
Laptop battery cells are connected in series and then in parallel to fulfill 2 purposes;
To meet the voltage rating required for the laptop to operate. This condition is met when the battery cells are connected in series.
To increase the time the laptop can run on batteries. This condition is met when sets of battery cells in series are connected in parallel.
Decoding laptop battery power ratings
Laptop battery cell
A single battery cell can supply 3.6 or 3.7 volts and a current of over 2Ah. Since in electrical terms, power = current × volts, a battery cell can supply ( 3.6V× 2Ah = 7.2Wh) a power of over 7.2 Wh.
Battery power ratings for your laptop are labelled on the battery.
For example assuming the battery power ratings are;
11.1V, 5.2Ah and 57Wh.
11.1V is the result of three, 3.7V battery cells in series. That is (3.7 + 3.7 +3.7)V= 11.1V. If the battery rating was 10.8V, then it implies that three 3.6V battery are connected in series, that is (3.6+3.6+3.6)V= 10.8.
5.2Ah is the result of two sets of three 3.7V batteries in series, connected in parallel. It means each of the 3.7V battery supplies a current of 2.6Ah. Even though 3cells are in series, the same 2.6Ah flows through the series connection. But because 2 sets of 3 battery cells in series are connected together in parallel, then the current supplied becomes 2× 2.6Ah = 5.2Ah.
From the calculations given above, you will realise that the laptop battery comprises 6 cells. Since power = current × volts, then each battery cell produces ( 2.6Ah×3.7V) = 9.62Wh ( when fully charged)
57Wh is the result of multiplying the power produced by one battery cell by 6.( since there are six cells in the laptop battery).
I.e. 9.62×6= 57.72Wh rounded down to 57Wh by the manufacturers.
