What is the Importance of Computer? History of Computers
What is a computer?
The computer is an advanced electronic device that takes raw data as an input from the user and processes it under the control of a set of instructions (called program), produces a result (output), and saves it for future use. This tutorial explains the foundational concepts of computer hardware, software, operating systems, peripherals, etc. along with how to get the most value and impact from computer technology.
Advantages of Computers:
Certain advantages of computers are as follows:
i. It is a very fast device.
ii. It is capable to perform calculations of a very large set of data.
iii. Its units of speed are the microsecond, nanosecond, and even the picosecond.
iv. It is capable to perform millions of calculations in a few seconds as compared to the manual effort that takes many months to perform the same task.
i. In addition to being very fast, computers are accurate as well.
ii. The calculations are error-free.
iii. All jobs are performed with accuracy, but make sure that the input is correct.
i. One of the important characteristics of computers is memory.
ii. a Large amount of data can be stored in a computer.
iii. Any type of data like images, videos, text, audio, etc. can be stored.
i. A computer is free from monotony, tiredness, and lack of concentration.
ii. It can continue to work without any fatigue and boredom.
iii. Repeated tasks can be performed with the same speed and accuracy.
i. A computer is very flexible in performing the jobs that can be done.
ii. A computer can also solve problems related to various fields.
iii. At one instance, it may be playing a card game and within the next moment, it may be solving a complex scientific problem.
i. Modern electronic components have a long life.
ii. The machines are designed to make maintenance easy.
i. Functions can be performed automatically.
ii. Automation is required to perform a task automatically. Once the computer receives a program i.e., the program gets stored in the computer’s memory, then no human interaction is required for the program and instruction to control the program execution.
Reduction in Paper Work and Cost
i. The use of computers for data processing in an organization results in speeding up the process and also leads to a reduction in paperwork.
ii. The problem of maintenance of a large number of paper files gets reduced as data in electronic files can be retrieved as and when required.
iii. Since the initial investment for installing a computer is high, the cost of each of its transactions substantially gets reduced.
Why is the use of a computer important in daily life?
You will recognize and examine the value of computers by seeing a revolution in online and offline business, online business, online education, online networking, and internet banking. We use hardware devices and software applications to store, view, manipulate, measure, analyze data and information.
All our daily life activities are based on such online products and services. The computer changed our life two decades ago and now in today’s life, it is difficult to survive without a computer.
The following points are listed here to understand the uses of computer:
1. Uses of the computer in the Education field
For teaching students digitally and creatively with data visualization, Schools and colleges around the world are using computer and internet technologies. The computer is used in a classroom to explore creativity and imagination in students’ minds. To learn deeply and accurately, Drawing tools, Audio, spreadsheets, Video lectures, and PPT presentations, etc. are very beneficial. That has given rise to the new education business model called small classes, digital classrooms, and smart classrooms.
It is known that education is most important in our life. The education system is reinvented with computers. Nowadays, the computer is used in the classrooms in Schools, colleges, and almost all kinds of educational institutions. Online degree programs, as well as online courses, are being provided by so many colleges and universities for their students.
For teachers and learners, a computer is an important educational tool. Blogs, YouTube, eBooks, Newsletters, e-newspaper, etc. such educational tools are not possible without a computer that is being used by us today.
So, we can use computers to become educated, skillful and in our daily life this is one of the most beneficial uses of the computer.
2. Use of computer in the business
Computer with the internet connection we can start, run, and manage the business. Google, Facebook, LinkedIn, Amazon, and Alibaba are some websites created by the use of the internet and computers.
We can’t imagine the daily business operations around the world without the use of computer technologies. In the early days when the first mechanical computer invented by Charles Babbage, it was used only to control the business system and speed up the business process accurately. But nowadays, computers can control and manage everything.
Businesses and companies use a computer to do marketing and business planning, they use a computer to record customer data, and they also use a computer to manage goods and services.
Computer with an internet connection is really important for businesses. Now they can do Internet marketing, they can sell products and services online. They can manage; hire employees around the world through the use of computers and the internet.
Almost all kinds of businesses are using computers in their daily official works. Such Microsoft Office to create professional-looking documents, excel spreadsheets to manage goods and services, PPT for project presentations are common these days.
The use of computers in the business helps many companies to grow their customer base faster. Computer use business is also challenging for small business owners and companies. Because there are so many options available for the customers to choose the best products or services with the use of the internet.
Today, any individual today can start his business from home. Freelancing is one of the big examples. With the use of computers and the internet, freelancers are working remotely from home.
It is not very tough to learn or to become a master in a few applications or programming languages, to start earning money by the use of a computer.
With knowledge about internet research, data entry, MS Word, etc. anyone can start data typing and editing work from home, such as resume writing services, eBook writing services.
3. Uses of the computer in government offices
Many years ago, the government works or official works used to take more time to complete their work. Lots of staff was required to manage the work of the public. But today consumers can easily get a solution with high speed and accuracy, with the use of computers in official works. So many applications are there that can speed the process and quality of official works, such as Microsoft Office packages, email, video conferencing tools are few applications that are capable to speed the work of government offices with accuracy.
4. Uses of the computer in our home
The computer uses at home depends on the user. There are so many people using the computer at home. Some people are using a computer to take online classes, some use it to do online business and some people use it to listen to songs and to watch movies, etc.
The use of a computer at home provides great advantages. Such as you can access banking and business services from home. You can communicate with people around the world through the use of the computer.
You can use a computer at home for learning new skills and hobbies. You can use a computer to calculate and manage monthly expenses by using MS excel. You can create gift cards, birthday messages by using Microsoft word. You can edit, restore, and manipulate family photographs by the use of Adobe Photoshop. You can also use the computer with the internet to do online shopping and you can start an online business too.
The use of a computer at home in daily life is saving our time. The computer also saves money in our daily home life. Such as if you have a computer at home, you don’t need to buy a DVD player to watch movies and to listen to songs. You don’t need to go a cyber café to collect and print notes. All kinds of small works that we do each day cost us money. But using computer application at home save our money, time and also provide entertainment and various ways to pass time.
History of Computers
In the history of computers, advancements of modern computers are referred as the generation of computers. Currently, we are on the 5th generation of computers. Let us have a look at the important features all five generations.
- 1st Generation: This was from the period 1940-1955. This was when machine language was developed for the use of computers. They used vacuum tubes for the circuitry. For the purpose of memory, they used magnetic drums.
- 2nd Generation: There was the up-gradation from vacuum tubes to transistors. Since they advanced from binary to assembly languages, this made the computers smaller, faster and energy-efficient.
- 3rd Generation: The hallmark of this period (1964-1971) was the development of integrated circuits (ICs).
- 4th Generation: The invention of the microprocessors brought along the 4th generation of computers. This was when the computers were produced for personal use. Another important aspect is the development of higher computer languages such as Java and C++.
- 5th Generation: This is the present and the future in the computer world. Artificial intelligence is the defining aspect of this generation. The use of parallel processing and superconductors provide a lot of scope for the future and are making this a reality.
So, the history of the computer, its advantages and disadvantages are all clear from all these relevant explanations. Takshila Learning makes the understanding even more clear with its modules which come specifically for the young learners who use it in their daily life in schools, colleges, and homes.
Takshila learning makes you understand computer better and apply to the best usages
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