Explanation:
The standard punch card (for computers) was invented and developed by Herman Hollerith. But the idea of punch cards was already long invented, used to control Jacquard looms.
Jacquard looms were looms that used punch cards to control the pattern a loom weaves.
The idea of punch cards in Jacquard looms also influenced Charles Babbage, who decided to use punched cards to control the sequence of computations in his proposed analytical engine. Unlike Hollerith's cards of 50 years later, which were handled in decks like playing cards, Babbage's punched cards were to be strung together.
Answer:
When working with a file, <u>stabilize</u> the blade in a vis or against a solid surface such as a work bench to avoid injury and to ensure an even stroke
Explanation:
The file can be used to sharpen a blade to increase the effectiveness of the blade. In order to properly sharpen a file in a safe manner, the blades to be sharpen, which ae usually relatively flexible as compared to the file, should be made stable during the repetitive forward and backward notion of the file, for safety, to avoid being injured by the recoil of the blade, and also to ensure that the stroke is evenly applied to the blade.
Specialized search engines indexes content specialized by topic or location and are used to deliver more relevant results to the user. It indexes pages for particular topics. Examples of specialized search engines and their applications include;
1. Uquery.com – This new search engine focuses more on the emergence of iPhone and iPod touch applications
2. Taptu.com – A downloadable search engine that helps the user find items specific to fit on a mobile screen
3. Yahooligans – A sub-domain of yahoo that focuses on kid friendly games.
4. Pubmed.com – This is specifically meant for students in medical schools
5. Zillow.com – Online real estate service that provides information regarding home purchase.