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Punch cards (or "punched cards"), also known as Hollerith cards or IBM cards, are paper cards where holes may be punched by hand or machine to represent computer data and instructions. They were a widely used means of inputting data into early computers. The cards were fed into a card reader connected to a computer, which converted the sequence of holes to digital information known as machine language.

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In magnetic tape only one side of the ribbon is used for storing data. It is sequential memory which contains thin plastic ribbon to store data and coated by magnetic oxide. Data read/write speed is slower because of sequential access. It is highly reliable which requires magnetic tape drive writing and reading data.

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The first disk drive to use removable media was the IBM 1311 drive. It was introduced in 1962 using the IBM 1316 disk pack to store two million characters. It was followed by the IBM 2311 (1964) using the IBM 1316 disk pack to store 5 megabyte, IBM 2314 (1965) using the IBM 2316 disk pack to store 29 megabytes, the IBM 3330 using 3336 disk packs to store 100 megabytes and the 3330-11 using the 3336–11 to store

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A floppy disk or floppy diskette is a type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined with a fabric that removes dust particles from the spinning disk.

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A CD-ROM is a type of optical disc that stores data such as audio, video, graphics, and text. It's a digital storage medium that can hold large amounts of data, and is typically used to distribute software, video games, and other data that doesn't need to be updated.

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A Zip drive is a removable disk storage system for computers. It was a floppy disk-like technology that was designed to store large amounts of data and help people organize their information.

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An SD card, short for secure digital card, is a type of removable storage device used to store and transfer digital data. It is commonly used in electronic devices such as digital cameras, smartphones, tablets, and portable gaming consoles.

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USB are commonly used for storage, data backup, and transferring files between devices. USB drives come in multiple storage capacities and different ports, each having a unique shape.

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It's a term used to describe a global network of servers, each with a unique function. The cloud enables users to access the same files and applications from almost any device

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The evolution of storage devices has been a transition from mechanical and magnetic methods, with limited capacities, to advanced digital technologies, which allow for mass storage of data in a portable and remote manner.

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eAcademy | #1 Free Online Courses & Easy eLearning Platform

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