In general, computer is a machine that manipulates data according to a list of instructions. Computers can be found in various forms such as personal computers, calculators and mobile phones. They are utilised in places like houses, offices, and schools. The invention of computer symbolises the advancement of technology in mankind. Furthermore, computer has made our life easier. We would not have achieved what we have today if computer was not invented.
It is difficult to identify which was the first computer invented. This is because the term computer has been subject to varying interpretations over time. The meaning of computer changes as time passes by, thus making it difficult to interpret the accurate meaning. Originally, computer is referred to a person who performed numerical calculations with the aid of a mechanical calculating device. Nowadays, many people misinterpret the meaning of computer to be the personal computer, also known as PC, which consists of a keyboard, mouse, monitor and central processing unit, also known as CPU.
The invention of computer has brought us a lot of benefits. Computer has improved the communication sector. In ancient times, communication was done using smoke signals or drum signals. Then, letters were used to communicate with each other. With the existence of computer, we communicate through electronic mails, also known as E-mail, and instant messaging computer program in a personal computer. We can even talk or send Short Message Service, also known as SMS, to our friends around the world using a mobile phone. Using these ways of communication, we are able to pass our message quickly and efficiently. In addition, we need not worry that our letters will get lost or have to wait for long for our friends’ replies.
Education has greatly improved with the existence of computer. Children nowadays need not carry heavy books to school as some schools teach their students using desktop computer or laptop. The students are able to pay more attention to the lessons and exercises given through computer as it is animated. Besides that, we can solve a mathematic question using a computer or calculator. We can get the answer fast and accurately instead of wasting time to redo the question a few times to get an accurate answer.
Computer is also a source of...