64-bit LastModified: Thursday, July 07, 2005
64-bit refers to the number of bits (the smallest unit of information on a machine) that can be processed or transmitted in parallel, or the number of bits used for single element in a data format. When the term is used in conjunction with a microprocessor, it indicates the width of the registers #&151; a special high-speed storage area within the CPU. A 64-bit microprocessor can process data and memory addresses that are represented by 64 bits. The term is often applied to the following: microprocessor: indicates the width of the registers. graphics device, such as a scanner or digital camera operating system: refers primarily to the number of bits used to represent memory addresses. See also 32-bit and "What Is 64-bit Computing?" in Webopedia's Did You Know... section.
What Is 64-bit Computing? When reading about PCs and servers, you'll often see the CPU described by the number of bits (e.g., 32-bit or 64-bit), here's a little info about what that means.	related categories: Buses Microprocessors Operating Systems related terms: bus computer data memory microprocesser OS Shopping 64 bit Products Compare Products,Prices and Stores Shop by Category: Tools and Accessories 1469 Store Offers Graphics Cards 477 Model Matches Motherboards 436 Model Matches Routers 273 Model Matches Wireless Access Points 235 Model Matches