What's the difference between 60 hz and 120 hz when it comes to led/lcd tv's?

Answer Hz hertz. It's the refresh rate if each pixel. The higher the rate the less jittery and more smoothe the picture looks. But don't be fooled by tvs offering more then 120 hz because the human eye wo... Read More »

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What's the difference between mammogram and ultrasound when it comes to breast cancer detection?

One of the early signs of breast cancer are certain types of microcalcifications. Microcalcifications are tiny deposits of calcium....about the size of a grain of salt. These can be seen fairly w... Read More »

Please tell me whats the difference between hardware and software and whats a motherboard?

Hardware is the stuff that goes to make-up your computer, such as, your Monitor, Tower cabinet, Printer, Keyboard ..etc..Software on the other hand is the stuff that makes your Computer work, such ... Read More »

Whats the difference between hdtv 1080i and 1080p and whats better for gaming (ps3) and tv and film?

What i the difference between mac and normal pc's i want a mac but whats the difference?