What is Network and how many types are there?

What is Network and how many types are there ? Do you know what is network and how many types are there? In earlier times, people used to send messages through telegram to communicate. It used to take a lot of time to send such messages. In sending such messages, we had to face problems … Read more

What is a keyboard and how many types does it have?

What is a keyboard and how many types does it have ? After all, what is keyboard? You must have used the keyboard at some time or the other. If you have ever used a computer or laptop, then you have definitely used the keyboard. But there are also many people who have seen the … Read more