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In electronics, refurbishment is the practice of restoring and testing a pre-owned electronic device so that it can be re-sold. Refurbished electronics are therefore pre-owned electronic devices (usually smartphones, tablets, or laptops), that have been tested by a reseller to confirm that they are fully working.
A laptop computer or notebook computer, also known as a laptop or notebook, is a small, portable personal computer (PC). Laptops typically have a clamshell form factor with a flat-panel screen on the inside of the upper lid and an alphanumeric keyboard and pointing device on the inside of the lower lid.
Steve Jobs introduced the MacBook Air during Apple’s keynote address at the 2008 Macworld conference on January 15, 2008. [4] The first MacBook Air was a 13.3-inch model, initially promoted as the world's thinnest notebook at 1.9 cm (0.75 in) (a previous record holder, 2005's Toshiba Portege R200, was 1.98 cm (0.78 in) high).
Computer technicians work in a variety of settings, encompassing both the public and private sectors.Because of the relatively brief existence of the profession, institutions offer certificate and degree programs designed to prepare new technicians, but computer repairs are frequently performed by experienced and certified technicians who have little formal training in the field.
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.
The trackpad is the built-in pointing device on all Apple notebook computers since 1995, and is colored to match the laptop case. The MacBook Air introduced a multi-touch trackpad with gesture support, which has since spread to the rest of Apple's portable products. Like Apple's single-button mice, all of their trackpads have no more than one ...
Apple Wireless Keyboard (A1016) The first generation Apple Wireless Keyboard was released at the Apple Expo on September 16, 2003. [2] It was based on the updated wired Apple Keyboard (codenamed A1048), and featured white plastic keys housed in a clear plastic shell. Unlike the wired keyboard, there are no USB ports to connect external devices.
A client MacBook Air (lacking an optical drive) could then wirelessly connect to the other Mac or PC to perform system software installs. Remote Install Mac OS X was released as part of Mac OS X 10.5.2 on February 12, 2008. Support for the Mac mini was added in March 2009, allowing the DVD drive to be replaced with a second hard drive.
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