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IBM PC-compatible BIOSes use magic values 0000 and 1234 to decide if the system should count up memory or not on reboot, thereby performing a cold or a warm boot. Theses values are also used by EMM386 memory managers intercepting boot requests. [13] BIOSes also use magic values 55 AA to determine if a disk is bootable. [14]
IEEE 754-1985 [1] is a historic industry standard for representing floating-point numbers in computers, officially adopted in 1985 and superseded in 2008 by IEEE 754-2008, and then again in 2019 by minor revision IEEE 754-2019. [2]
In computing, NaN (/ n æ n /), standing for Not a Number, is a particular value of a numeric data type (often a floating-point number) which is undefined as a number, such as the result of 0/0.
In a normal floating-point value, there are no leading zeros in the significand (also commonly called mantissa); rather, leading zeros are removed by adjusting the exponent (for example, the number 0.0123 would be written as 1.23 × 10 −2). Conversely, a denormalized floating-point value has a significand with a leading digit of zero.
A Universally Unique Identifier (UUID) is a 128-bit label used to uniquely identify objects in computer systems. The term Globally Unique Identifier (GUID) is also used, mostly in Microsoft systems. [1] [2] When generated according to the standard methods, UUIDs are, for practical purposes, unique.
The world’s most famous market indicator just suffered its longest losing streak since Jimmy Carter was in the White House. The Dow Jones Industrial Average closed lower by 267 points on Tuesday ...
If you're trying to get your holiday gifts out the door so they make it to loved ones before Christmas, here's everything to know about the shipping deadlines.
Traders work on the floor of the New York Stock Exchange during morning trading on Aug. 23, 2024, in New York City. (Michael M. Santiago/Getty Images) (Michael M. Santiago via Getty Images)