How to Tell the Differences in Sapphires?

Answer Sapphires are among the world's most highly prized gemstones. They're usually associated with a dazzling blue color but they also exist in purple, pink and other hues. They're a member of the corun... Read More »

Top Q&A For: How to Tell the Differences in Sapphires

How to Tell if Sapphires Are Real?

When presented with a variety of rings for her engagement to Prince Charles, Princess Diana chose a stunning blue sapphire ring. Sapphires are the second-hardest stone after diamonds and are availa... Read More »

How to Tell the Differences Between USB 2.0 & USB 1.1?

A Universal Serial Bus (USB) is a way for devices and computers to communicate with each other. Common devices include a mouse, keyboard, headphones, portable thumb drives and even hard drives. Ori... Read More »

How to Tell the Differences Between Bring, Brought, Take and Took?

In English,bring and brought and take and took are used almost every day. But are you confused about their meaning and the difference between them? This article will help.

Can someone tell me or direct me to descriptions of differences in RAM memory sticks (SDRAM, DDR, DDR2, etc)?

SDRAM:older ram 168pinDDR: better than sdram 184pinDDR2:better version than ddr 240pinthey all fit in DIMM Slotsthey all run at differnt speeds classified as pc4200,pc5300etc.SO-DIMM is DIMM slot f... Read More »