Inventions technological
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The document summarizes portable computers, including what they are, their types and history, popular brands, and their uses. Portable computers, also known as laptops, are programmable machines that receive input, store and manipulate data, and provide output. Their types include mainframe computers used by large organizations, microcomputers or personal computers most frequently used, and mini computers used by businesses. The first laptop considered was the Epson HX-20 in 1981, allowing professionals to carry their computer and information with them. Popular laptop brands include Lenovo, Toshiba, Vaio, HP, Samsung, and LG. Portable computers are machines used by many for various purposes.
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Inventions technological
- 3. What it is?A computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format.
- 4. Types of computersThe Mainframe Computer – These are computers used by large organizations like meteorological surveys.
- 5. The Microcomputer – These are the most frequently used computers better known by the name of “Personal computers”.
- 6. The Mini computer – Mini computers like the mainframe computers are used by business organization.HistoryThe first laptop was considered as the Epson HX-20, developed in 1981, after which there were great benefits to the work of scientists, soldiers, businessmen and other professionals who saw the advantage of carrying with them their computer with all the information they needed.
- 7. Computer brandsThey are different brands of computers like:Lenovo
- 8. Toshiba
- 9. Vaio
- 10. Hp
- 11. Samsung
- 12. Lgpictures
- 14. The portatil computers are machine used for all of as...
- 15. THE END………