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The SMC has roles in controlling thermal and power management, battery charging, video mode switching, sleep and wake, hibernation, and LED indicators. It also enables enforcement of the macOS End User License, allowing macOS to identify when it is running on non-Apple hardware. [3]
The PC Card Cage was also released, allowing Macintosh users to add PCMCIA capability to their laptops for the first time. In 1995 Apple Japan introduced an updated version, called the 550c, with a bigger display (10.4 inches), CPU with FPU , bigger hard drive, and Japanese keyboard with black case. It was only sold in Japan and never received ...
In 1992, Apple released a hybrid portable/desktop computer, the PowerBook Duo, continuing to streamline the subnotebook features introduced with the PowerBook 100. The Duos were a series of very thin and lightweight laptops with a minimum of features, which could be inserted into a docking station to provide the system with extra video memory ...
The term control panel was used for the plugboards in unit record equipment and in the early computers of the 1940s and '50s. In the 1980s, the Xerox Star and the Apple Lisa, which pioneered the first graphical user interface metaphors, controlled user settings by single click selections and variable fields. In 1984 the Apple Macintosh in its ...
1. Click the Apple menu, and then click Shut Down. Note: Wait for 20 seconds, and then turn on the computer. 2. On the keyboard, hold down the Command and Option keys, and then tap the esc key. In the Force Quit Applications window, click any program other than Finder to highlight it, and then click Force Quit. 3.
While 2.4 and 5 GHz antennas are commercially available and easily purchased from many online vendors, they are also relatively easy to make. Laptops and tablets that lack external antenna jacks can rely on external Wi-Fi network cards, many requiring only USB, which the laptop can itself easily provide from its own battery.
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The PowerBook 150 is a laptop personal computer created by Apple Computer which was introduced on July 13, 1994, and released on July 18, 1994. It was the last member of the PowerBook 100 series to use the original case design, the most affordable of the series when introduced (priced between $1,450 and $1,600) and also the last consumer model.