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  2. List of HP business desktops - Wikipedia

    en.wikipedia.org/wiki/List_of_HP_business_desktops

    HP Pro 3400 [26] Intel H61 Intel 2nd gen. (Sandy Bridge) Core 'i' LGA 1155 Intel HD 2000/3000 No GPU slot DDR3, 2 16 GB MT HP Pro 3405 [26] AMD A55 AMD A series (Llano) Socket FM1 AMD Radeon HD 6xx0D No GPU slot DDR3, 2 16 GB MT HP Pro 3410 [26] Intel H61 Intel 2nd gen. (Sandy Bridge) Core 'i' LGA 1155 Intel HD 2000/3000 GeForce 405 GeForce GT 520

  3. Prehn's sign - Wikipedia

    en.wikipedia.org/wiki/Prehn's_sign

    According to Prehn's sign, the physical lifting of the testicles relieves the pain of epididymitis but not pain caused by testicular torsion. [ 4 ] Negative Prehn's sign indicates no pain relief with lifting the affected testicle, which points towards testicular torsion which is a surgical emergency and must be relieved within 6 hours.

  4. Positive and negative predictive values - Wikipedia

    en.wikipedia.org/wiki/Positive_and_negative...

    The positive predictive value (PPV), or precision, is defined as = + = where a "true positive" is the event that the test makes a positive prediction, and the subject has a positive result under the gold standard, and a "false positive" is the event that the test makes a positive prediction, and the subject has a negative result under the gold standard.

  5. Negative number - Wikipedia

    en.wikipedia.org/wiki/Negative_number

    Since 2 × (−3) = −6, the product (−2) × (−3) must equal 6. These rules lead to another (equivalent) rule—the sign of any product a × b depends on the sign of a as follows: if a is positive, then the sign of a × b is the same as the sign of b, and; if a is negative, then the sign of a × b is the opposite of the sign of b.

  6. Polarity symbols - Wikipedia

    en.wikipedia.org/wiki/Polarity_symbols

    Diagram showing positive tip polarity on the left and negative tip polarity on the right. To read diagram: The center positive drawing on the left indicates that the center (also known as the tip) of the output plug is positive (+) and the barrel (ring) of the output plug is negative (−).

  7. HP EliteBook - Wikipedia

    en.wikipedia.org/wiki/HP_EliteBook

    HP EliteBook is a line of business-oriented laptop computers made by Hewlett-Packard (), [1] marketed as a high-end line positioned above the ProBook series. [2] The line was introduced in August 2008 [3] [4] as a replacement of the HP Compaq line of business laptops, and initially included mobile workstations until September 2013, when they were rebranded as HP ZBook.

  8. Phren - Wikipedia

    en.wikipedia.org/wiki/Phren

    Phren, however, is not exclusively applied to humans. In Empedocles' system, Phren is a general psychological agent to which moral blame and praise can be extended, [ 4 ] that darts through the universe as effluences, steers and controls the cosmos in the process and is the measure of what is harmonious and what is fit to exist. [ 5 ]

  9. Hewlett-Packard - Wikipedia

    en.wikipedia.org/wiki/Hewlett-Packard

    It won its first big contract in 1938 to provide the HP 200B, a variation of its first product, the HP 200A low-distortion frequency oscillator [1] for Walt Disney's production of the 1940 animated film Fantasia, which allowed Hewlett and Packard to formally establish the Hewlett-Packard Company on July 2, 1939. [2]