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The sampled sound engine piggybacked on the video circuit. As the raster scan returned from the right side of the screen to the left, one byte of data was placed into a PWM generator instead of the screen. This provided 8-bit sampled monaural sound sampled at the 22.25 kHz horizontal blanking rate. General purpose 6522 outputs could mute the ...
Fans installed in a PC case can produce noise levels of up to 70 dB. Since fan noise increases with the fifth power of the fan rotation speed, [2] reducing revolutions per minute (RPM) by a small amount potentially means a large reduction in fan noise. This must be done cautiously, as excessive reduction in speed may cause components to ...
Unlike earlier Macs, the Mac Plus's keyboard includes a numeric keypad and directional arrow keys and, as with previous Macs, it has a one-button mouse and no fan, making it extremely quiet in operation. The lack of a cooling fan in the Mac Plus led to frequent problems with overheating and hardware malfunctions.
The mouse was similar to the Macintosh mouse, though it was in a creamy-beige color to match the IIc's bright off-white case and had a slightly modified design which was sleeker than the Macintosh's blockier shape. It also was uniformly the same color, eliminating the Mac & Lisa's contrasting taupe accents on the mouse button and cable.
The New England Patriots fired head coach Jerod Mayo on Sunday, announcing the move just after team’s final game and leaving the Patriots searching for a new head coach for the second time in ...
Unfortunately, this was allegedly a source of many common, costly component failures in the first four Macintosh models. This was enough of a problem to prompt the introduction of several third-party, external cooling fan solutions such as the MacFan, the Mac N Frost, the Fanny Mac and the Kensington System Saver. These units fit inside the ...
Lisa Andrews, M.Ed., RD, LD, founder of Sound Bites Nutrition, also points out a small study finding that women with type 2 diabetes had improved blood sugar levels with a low-carb breakfast ...
The next time you're at a shelter, consider the dogs that need help the most. They need love! Like Ollie, a German Shepherd mix who seems to have "lost all hope" about finding a forever home.