what is computer?Define its advantage and disadvantages?
Answers
Answer:
A computer is a programmable machine. It responds to the specific set of instructions in a well-defined manner and it can execute a prerecorded list of instructions.
Explanation:
Cyber Crime: Since the computer is now used all over the world by millions of people to save data, hence there are some people who try to get the data by hacking an account. The illegal way of deriving information by sneaking through other’s account is known as cybercrime. People also hack other people’s social media account and do unwanted things to get them into trouble. There are some agencies which try to arrest these kinds of people.
Disadvantages of a Computer
Increases Unemployment: Computers have taken the place of man as computers are very fast and accurate and also save money and time. Due to this, unemployment has increased.
Uses Electricity: Some people are so dependent on a computer that they sit in front of a computer screen for the whole day. This uses a lot of electricity. Since electricity is an exhaustible resource, we must use it wisely.
Dependence: Some people are so addicted and dependent on a computer that they cannot live without it. It creates problems among loved ones and family members.
Makes People Lazy: Due to the convenience of the computer, people deny doing physical activity. This has made people lazy and unhealthy.
Multitasking: Multitasking makes a job easier and saves time. We can do many things together in a computer. We can perform multiple tasks, operations and calculate numerical problems within a few seconds.
Speed: A computer is more than a calculating device. It is very fast and allows us to do our tasks very quickly.
Stores Huge Amounts of Data: Computers can store a large amount of data. It can store files, documents, images, and videos.
Accuracy: Computers can solve numerical problems with accuracy.
Data Security: Computers can protect data. They secure us from cyber attackers. In cybercrime and cyber access is reduced.
Increases your Productivity: With the help of a computer, we can do any work with less effort and time. By using a computer we save our energy and time. We can create, store, edit, share and print documents. Without a computer, this may take a lot of time.
Internet Connection: The Internet is the main advantage of a computer. We can derive a lot of information in the form of documents or videos using the internet.
Organizes the Information: When we store a lot of information in a computer, we can arrange or segregate the information alphabetically, which helps us to find any information in no time.
Keeps Everyone Connected: We can stay connected with millions of people using a computer. There are various social media sites such as Facebook and Instagram through which we can share information with many people at the same time. For official purposes, we can use E-mail, which helps us send mail to a person in a short time. For video calling, we have applications such as Skype which enables us to talk to a person place to place, no matter where the other person is. Through YouTube, we can share content for others to see.
A Tool for Students: Computers can be a great tool for students. Students can use Google to get information about anything. They can use YouTube to understand a particular concept. In addition to that students can create and share documents among themselves.
Can Get You Money: By uploading contents on YouTube, you can earn a lot of money if you get enough subscribers. Starting an online store you can earn a lot of money as compared to a local store. This is because in online stores you can have global recognition and people from all over the world can order products from your site.
Helps to Automate: A great feature of a computer is to automate a machine. For example, in car manufacturing factories, a robotic arm can be programmed in such a way that it can repeat the steps we want it to do.
Help Physically Challenged: People who cannot talk can communicate through computers. People can also speak using a computer like Stephen Hawking. By installing special software a blind person can read what is on the screen.
Dating Sites: Millions of people have found their love through the internet. Dating sites enable us to contact people having common interests.
Entertainment: Computers can entertain us in various ways. We can now listen to millions of songs via the internet. We can surf social media in our free time. It allows us to download movies or watch them online.