Computers have had a dramatic change from the way they used to be, when a computer would take up an entire room and weighed tons of pounds and had the same amount of power as a scientific calculator. Now, computers come in all shapes and sizes to suit your personal needs, weather it be a laptop, or a normal pc with a flat screen anything really. Another major invention was the internet. This is a massive change not only to the computer world, but to the entire world as well. The internet has many different facades, ranging from newsgroups, where you can choose almost any topic to discuss with a range of many others, from university professors, to the average person, to email, where you can chat in real time to people all over the world, to the World Wide Web which is a mass of information networked from places around the world
In modern life, telephone has become a daily tool and essential in everyday life. But it was very rare 30 years ago. At the end of the 1970’s, telephone existed as equipment in offices. In 1982, the first row of coin phones emerged in Beijing, from that, more and more public telephones were beginning to appear In the 1990’s, phones started to become more and more popular around the world. Now in the 21st century, phones play a big role in everyone’s life, recently some top IT companies have began to put forward new products that connect mobile phone together with the internet. •Fax Machines:
Fax machines have gone through some changes but most would agree that the biggest change has been from thermal paper to plain paper. Obviously, I would have remembered thermal paper but times sure have changed. Thermal fax machines were ones with long roll of paper and each fax would be cut to the size that it transmitted. Plain paper faxes now have saturated the market and the prices have dropped so that anyone can afford them. But they are becoming now a big essential in...