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A power-on self-test (POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [ 1 ] POST processes may set the initial state of the device from firmware and detect if any hardware components are non-functional.
Under Windows NT, the second and third sections of the screen may contain information on all loaded drivers and a stack dump, respectively. The driver information is in three columns; the first lists the base address of the driver, the second lists the driver's creation date (as a Unix timestamp), and the third lists the name of the driver. [30]
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The Dell XPS 14 (9440) was released in early 2024 and is a 14.5" laptop between the Dell XPS 13 and the XPS 16. It has thinner bezels, a seamless touchpad, and edge-to-edge keyboard with a touch function row, it offers two 14.5" display options, 1920x1200 LCD, or 3200x2000 OLED display, both at a refresh rate of 120Hz.
Operating systems include the software that is always running, called a kernel—but can include other software as well. [6] [8] The two other types of programs that can run on a computer are system programs—which are associated with the operating system, but may not be part of the kernel—and applications—all other software. [8]
An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
The HWA is a USB 2.0 device that attaches externally to a desktop or laptop's USB port or internally to a laptop's MiniCard interface. WUSB also supports dual-role devices (DRDs), which in addition to being a WUSB device, can function as a host with limited capabilities. For example, a digital camera could act as a device when connected to a ...
USB type-C chipsets are not required to include Dual-mode, so passive DP-HDMI adapters do not work with type-C sources. A specification for "HDMI Alternate Mode for USB type-C" was released in 2016, but was discontinued in 2023, with HDMI Licensing Administration stating they knew of no adapter having ever been produced.