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Sign Out
You should always close your e-mail account after completing your work. This is known as Sign
out. It is very important to sign out from your account so that no one else using that computer
can read your e-mails or send unwanted e-mails from your e-mail account. You can sign out
from your e-mail account by following these steps:
Click on the Google 1
Account icon.
2 Click on the Sign
out button.
COMPUTER MALWARE
Virus Worm
Malware, or malicious software, is a software made to
cause harm to your system. A malware gets installed on a
computer without approval from the computer's owner. MALWARE Trojan
Horse
There are different types of malware, each having unique
characteristics. Let’s find out.
Spyware Adware
Virus
A computer virus is a program that is able to copy itself when it is run. It gets activated each
time the program or file to which it is attached is opened or executed. It is the most common
type of malware. It can spread itself by infecting other programs or files. This affects the original
program, causing it to no longer work properly.
Worm
A worm is similar to virus but it can copy itself and spread rapidly to any device attached. A
worm does not need any program to activate it.
Trojan Horse
A trojan horse is a dangerous virus. It represents itself as helpful software program. Once the
user clicks on it to agree to run it, it gains access to sensitive data and then modifies, blocks, or
deletes the data. It cannot copy itself from one computer to another.
Spyware
A spyware steals important information and data on the device, such as account passwords or
bank details. It observes the user's activity without their knowledge.
112 Premium Edition-V

