Hardware
Refers to objects that you can actually touch, like disks, disk drives, display screens, keyboards, printers, boards, and chips. In contrast, software is untouchable. Software exists as ideas, concepts, and symbols, but it has no substance.
Books provide a useful analogy. The pages and the ink are the hardware, while the words, sentences, paragraphs, and the overall meaning are the software. A computer without software is like a book full of blank pages — you need software to make the computer useful just as you need words to make a book meaningful.
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- hardwired
Refers to elements of a program or device that cannot be changed. Originally, the term was used to describe functionality that was built into the circuitry (i.e., the wires) of a device. Nowadays, however, the term is also used to describe constants built into software.
- hash tag
A hash tag or hashtag is a way of organizing your Tweets for Twitter search engines. Users simply prefix a message with a community driven hash tag to enable others to discover relevant posts. One commonly used hash tag on twitter is #followfriday where users network by providing the names of their favorite people to […]
- Hashing
Producing hash values for accessing data or for security. A hash value (or simply hash), also called a message digest, is a number generated from a string of text. The hash is substantially smaller than the text itself, and is generated by a formula in such a way that it is extremely unlikely that some […]
- haxie
Formed from the combination of the words hack and Mac OS X, a haxie is a hack specifically designed for use with the Mac OS X operating system. The term was coined by software company Unsanity.
- head
(n.) The mechanism that reads data from or writes data to a magnetic disk or tape. If the head becomes dirty, it will not work properly. This is one of the first things to check if your disk drive or tape drive begins to malfunction. The head is sometimes called a read/write head. Double-sided floppy […]