An RSS feed validator is used to test an RSS document (also called an RSS feed) to check your code for errors. If the validator finds any problems with your feed, it will highlight where the problem occurs to help you fix it. To use a feed validator you must upload your RSS feed to a Web server, then enter the URL into the feed validator. Two of the more popular online feed validators are FEED Validator and RSS Validator.
In telecommunications, a femtocell is a small cellular base station — or a wireless access point — that is typically used to improve indoor cellular reception inside a home or small business. A femtocell connects to the carrier’s network via broadband and can support up to five mobile phones. The main benefits to using femtocell […]
- ferrite core
A form of core memory for data storage. The core is made of tiny ferrite rings threaded with wires that are magnetized by electrical current. The two possible polarities of magnetization were used to represent the binary values zero and one. Data are stored by magnetizing an array of cores in a particular combination of […]
(n.) A fluid in which fine particles of iron, magnetite or cobalt are suspended, typically in an oil. A ferrofluid is superparamagnetic and can create liquid seals held in position by magnetic fields. One application of ferrofluids is to keep dust off of the drive shafts of magnetic disk drives. Ferrofluids were invented by NASA […]
To load an instruction or piece of data from memory into a CPU’s register. All instructions must be fetched before they can be executed. The time it takes to fetch an item is known as the fetch time or fetch cycle, and is measured in clock ticks.
- fetch cycle
See under instruction cycle.