Elementary

Download A Gardner's Workout: Training the Mind and Entertaining the by Martin Gardner PDF

By Martin Gardner

Listed here are forty-one items, that have been formerly released in quite a few educational journals and renowned magazines, through the esteemed grasp of mathematical video games and puzzles who wrote the medical American video games column for 25 years. those articles span a variety of themes, together with dialogue of why a working laptop or computer will continually beat a human participant at video games of probability, tiling puzzles, machine and calculator "magic" tips, and a arguable severe assessment of a instructing fad referred to as the "new new Math."

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LCD monitors have generally replaced dinosaur CRT monitors globally, and most LCD monitors are available in widescreen displays (good for watching DVD movies or working in a graphics program). See Figure 1-5. Figure 1-5: LCD monitors: lithe, lean, and lissome. indd 15 6/11/10 10:20 PM 16 The Common Components of a Desktop PC Either type of monitor is fine for a home or office environment, but I recommend (naturally) using an LCD monitor. The larger the monitor size, the easier it’s likely to be on your eyes, and the more windows and documents you can stuff on your desktop at one time.

In fact, a perfectly serviceable USB scanner (as shown in Figure 2-4) is waiting for you at your local Maze O’ Wires store for less than $100, and it can do all this: ✦ Produce digital images from magazine and book pages, photographs, and just about any other printed material. These images can later be edited to your heart’s content, sent as an e-mail attachment, or recorded to CD or DVD. ✦ Read text from a printed document into your word processor. This trick — optical character recognition (OCR) — can save you hours of typing and prevent introduction of typos and finger fumbles.

9 Basic Terms ...................................................................................................... 9 The Common Components of a Desktop PC .............................................. 13 Desktop PCs versus Laptop PCs .................................................................. 18 RAM and Processors: The Keys to Performance ....................................... 18 Your Friend, Your Operating System ..........................................................

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