Why do we lock the door when all the family members go on an outing? We do it for the security of the house. Think a bit about the lock. Anybody can not open the lock by using any key because different locks have keys. A lock can not be opened with a different key. Thus, we ensure safety of our home and other valuable things with locks and keys. Now, we see a kind of lock with digits.
The lock is opened by matching the digits. The digits work as the key. But, in an age of digital technology, we have to think over the security of many other things. Perhaps you have understood what we are talking about. You have rightly guessed. We are talking about the security of our data and information. In an age of ICT, we have to use locks for the security of our important data, information and the security of software. The name of this lock is password.
Perhaps you have already learnt to create a password and use it. ICT is being used everywhere now. Our country is not an exception. As its use has been extended, the question of security becomes important. All of our personal information such as bank accounts, income tax, job, etc. have come under the digital system. Besides, our ICT devices such as computer, laptop, tablet or......more
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