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Software manufacturers' attempts to protect their property for example, by using special codes to prevent programs from being installed more than once from each set of disks have proved unpopular with users and possible to bypass by determined copiers. Because computer data is so easy to duplicate, and the use of unauthorized software is so hard to detect, it is almost impossible to enforce anti-piracy law. The only sure way to prevent it appears to be for manufacturers to sell each copy of their software with a dongle a coded plug that must actually be fitted to the computer for the software to function.
The ‘Sun of May’ was added in 1818. The blue bands are a shade known as ‘celeste’, said to be the colour of the sky which inspired Argentine revolutionary Manuel Belgrano before battle. Effective date: 16 August 1985.
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