GCSE Computer Science Basics Retrieval Practice: FLashcards 3/4

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Virtual memory

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A memory management capability of an operating system that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory to disk storage.

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ASCII

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American Standard Code for Information Interchange, a character encoding standard for electronic communication, representing text in computers and other devices.

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Storage reliability

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The ability of a storage system to consistently perform its intended function without failure over a specified period.

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Magnetic storage

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A type of storage that uses magnetic media, such as hard drives, to store and retrieve data.

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Hexadecimal (base 16)

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A numeral system made up of 16 symbols (0-9 and A-F) used as a human-friendly representation of binary-coded values in computing and digital electronics.

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Denary (base 10)

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The standard numeral system used by humans, also known as the decimal system, which is based on ten symbols: 0-9.

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Solid state storage

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A type of non-volatile storage media that uses flash memory to store data, such as SSDs, which are faster and more reliable than traditional hard drives.

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ROM

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Read-Only Memory, a type of non-volatile storage that is used in computers and other electronic devices to store firmware or software that is rarely changed.

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Optical storage

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A type of storage that uses lasers and lights to read and write data, such as CDs, DVDs, and Blu-ray discs.

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Image quality

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The perceived visual quality of an image, which can be affected by factors such as resolution, color depth, and compression.