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6 Hidden Features in Windows 10. Quantum thinking: Cats to computers. Secure Digital. Secure Digital (SD) is a nonvolatile memory card used extensively in portable devices, such as mobile phones, digital cameras, GPS navigation devices, handheld consoles, and tablet computers.

Secure Digital

The Secure Digital standard was introduced in August 1999 as an evolutionary improvement over MultiMediaCards (MMC). The Secure Digital standard is maintained by the SD Association (SDA). SD technologies have been implemented in more than 400 brands across dozens of product categories and more than 8,000 models.[1] The Secure Digital format includes four card families available in three different form factors.

The four families are the original Standard-Capacity (SDSC), the High-Capacity (SDHC), the eXtended-Capacity (SDXC), and the SDIO, which combines input/output functions with data storage.[2][3][4] The three form factors are the original size, the mini size, and the micro size. Overview[edit] SD[edit] SDHC[edit] SDXC[edit] Regin, new computer spying bug, discovered by Symantec. 23 November 2014Last updated at 13:32 ET Symantec researchers likened the bug to Stuxnet, a computer worm that targeted Iran's nuclear program A leading computer security company says it has discovered one of the most sophisticated pieces of malicious software ever seen.

Regin, new computer spying bug, discovered by Symantec

Symantec says the bug, named Regin, was probably created by a government and has been used for six years against a range of targets around the world. Once installed on a computer, it can do things like capture screenshots, steal passwords or recover deleted files. Experts say computers in Russia, Saudi Arabia and Ireland have been hit most. It has been used to spy on government organisations, businesses and private individuals, they say. Researchers say the sophistication of the software indicates that it is a cyber-espionage tool developed by a nation state. They also said it likely took months, if not years, to develop and its creators have gone to great lengths to cover its tracks.

Microsoft unveils Windows 10 system with Start Menu. 30 September 2014Last updated at 14:56 ET By Leo Kelion Technology desk editor BBC's Richard Taylor: "Windows 10 features the all-important Start button which people know and like very much" Microsoft has disclosed the first details of Windows 10 - its next operating system (OS).

Microsoft unveils Windows 10 system with Start Menu

The name is a surprise, bearing in mind it represents a jump from the last version - Windows 8. The software will run on a wide range of devices, from phones and tablets to PCs and Xbox games consoles, with applications sold from a single store. It also marks the return of the Start Menu, which had been removed from Windows 8. Microsoft announced details of the new operating system at an event in San Francisco In addition to offering a list of the user's favourite applications, the menu also brings up resizable tiles - similar to those featured in Windows 8's touch-centric interface on PCs and tablets.

The Start Menu now features both a list of apps and live tiles 'Critical' choice "It is critically important," he said. Sony tape smashes storage record. 5 May 2014Last updated at 08:33 ET Storage tapes like these are used by many firms to keep data for long periods Sony has developed a new storage tape that is able to hold up to 185 terabytes (TB) of data per cartridge.

Sony tape smashes storage record

Created with the help of IBM, Sony's technology allows for tapes that can store the equivalent of 3,700 Blu-ray discs. The tape hold 148 gigabits (Gb) per square inch - beating a record set in 2010 more than five times over. Storage tapes are typically used by businesses to hold huge amounts of data for a long time. Analysts IDC predict that by 2020, global data storage will amount to 40 trillion gigabytes - around 5,200 gigabytes per person. Using tape is a cheaper and more energy efficient method of storing data when compared to power-hungry large data centres full of hard drives. However, retrieving data from tape is a far slower process. 'Rapid recovery' Over a long time period, tape is considered the more reliable approach. Pointless Sites - Useless Sites - Random websites - PointlessSites.com.

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