Созданная в 40-х гг. электромеханическая вычислительная машина "Марк-1" программировалась при помощи бумажной перфоленты и таким образом могла управляться человеком с минимальной подготовкой. Машина способна была оперировать числами длиной до 23 разрядов.
AST American Flag Screensaver - This nice FREE screensaver is big round analog clock with American flag (see screen shot). It also has ticking sound and gong. You can disable or enable company logo. Screensaver is also available with your personal logo instead of our company logo.
3D Realistic Flag Screensaver - Express your pride and patriotism by displaying one of 230 realistic animated flags on the flagpole waving and flying in the wind (with sky, mountains and sunset in the background). The wind speed can be adjusted from breeze to strong wind.
Fairy Christmas Day 3D Screensaver 1.0, Saving Screen, Saving Mood - Screen-savers became popular in the good old days when they addressed an important, even vital, problem of — youll laugh! — saving the screen. In those sad old days, CRT screens had to change their picture frequently enough to prevent pixel burnout. Those sad times are long gone, and nowadays screensavers
Clock Screen Saver - Although screensavers are mostly used for decorative and entertainment purposes these days, there are some of them that can really help you do your work better and faster. If you are tired of looking at the same old screensaver all day long, make it work for you and do something useful for instance, show current time