Computer Basics

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What is the purpose of data?

What is the purpose of hardware?

What is the difference between data and information?

What is the purpose of software?

What is the purpose of a server?


  • Computers are devices that can be programmed to carry out a set of arithmetic or logical operations automatically.
  • A computer can receive data, process it according to specific rules, produce and store results.
  • Data is a collection of unprocessed items, which may include text, numbers, images, audio, and video.
  • Whereas information conveys meaning and is useful for users, data is simply a collection of items that have not been processed by a computer.
  • Data and information example: Data is a collection of unprocessed items, whereas information conveys meaning and is useful for users.
  • Data and information can be distinguished by their purposes: data is used to process and store information, whereas information is used to convey meaning.
  • Hardware is a necessary component of a computer, and includes the components such as the processor, memory, input, output, and storage devices.
  • Software is the programs that are used to process data.
  • People are responsible for programming and using computers, as well as end users who use the computers to access data, information, and programs.
  • There are seven categories of computers: personal computers, laptops, tablets, mobile devices, gaming consoles, servers, and super computers.
  • Each category is distinguished by its size, speed, processing power, and price.
  • The server duty is to wait for requests and then serve them.
  • An embedded computer is a small, special purpose computer that is found in many different places, such as automobiles, home automation systems, and security-monitoring systems.
  • They are often faster and more reliable than regular computers, but they can have negative impacts on privacy and the labor force.


Test your knowledge of fundamental computer concepts such as data, information, hardware, software, and types of computers. Explore the roles of people in the computer ecosystem and the distinctions between various computer categories.

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