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HP-15C. The HP-15C is a high-end scientific pocket calculator with a root-solver and numerical integration. A member of Hewlett-Packard Voyager series of programmable calculators, it was produced between 1982 and 1989. The calculator is able to handle complex numbers and matrix operations.
A watchdog timer (WDT, or simply a watchdog), sometimes called a computer operating properly timer (COP timer), [1] is an electronic or software timer that is used to detect and recover from computer malfunctions. Watchdog timers are widely used in computers to facilitate automatic correction of temporary hardware faults, and to prevent errant ...
Dimensions. 17.9×7.9×2.8 cm (7.05×3.11×1.1 inch) The HP 48 is a series of graphing calculators designed and produced by Hewlett-Packard from 1990 until 2003. [1] The series includes the HP 48S, HP 48SX, HP 48G, HP 48GX, and HP 48G+, the G models being expanded and improved versions of the S models. The models with an X suffix are expandable ...
Compaq Presario. Presario is a discontinued line of consumer desktop computers and laptops originally produced by Compaq and later by Hewlett-Packard. Introduced in 1993, Compaq has used the Presario brand for its home and home office product offerings. After Compaq merged with HP in 2002, the Presario brand name was retained as part of HP's ...
HP Compaq p and w series. Related. HP ProBook, HP ZBook. HP EliteBook is a line of business-oriented high-end laptops and previously mobile workstations made by Hewlett-Packard (HP Inc.). [1] The EliteBook series, which fits above the small business ProBook series, [2] was introduced in August 2008 [3][4] as a replacement of the HP Compaq high ...
An example is the HP EliteBook 6930p when used with its ultra-capacity battery. [63] Laptops with removable batteries may support larger replacement batteries with extended capacity. A laptop's battery is charged using an external power supply, which is plugged into a wall outlet. The power supply outputs a DC voltage typically in the range of ...
AMD K6-2, Intel Celeron, Pentium II, Pentium III. Display. 12.1"/13.0". The Compaq Presario 1200 was a line of notebook computers produced between 1998 and 2000 by Compaq as part of Compaq Presario line. The Presario 1200 line of notebook computers were originally noted for their AMD processors, light weight and 12-inch LCD screens, while later ...
Nonvolatile BIOS memory refers to a small memory on PC motherboards that is used to store BIOS settings. It is traditionally called CMOS RAM because it uses a volatile, low-power complementary metal–oxide–semiconductor (CMOS) SRAM (such as the Motorola MC146818 [1] or similar) powered by a small battery when system and standby power is off ...