The essential list of essential lists.
The camcorder is an electronic device originally combining a video camera and a videocassette recorder. The earliest camcorders were tape-based, recording analog signals onto videotape cassettes. In 2006, digital recording became the norm, with tape replaced by storage media such as mini-HD, microDVD, internal flash memory and SD cards. With video capture its primary function often has advanced functions such as an internal optical zoom lens that is able to operate silently with no throttled speed, whereas cameras with protracting zoom lenses commonly throttle operation speed during video recording to minimize acoustic disturbance.
Hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage and one or more rigid rapidly rotating platters coated with magnetic material. The platters are paired with magnetic heads, usually arranged on a moving actuator arm, which read and write data to the platter surfaces. Data is accessed in a random-access manner, meaning that individual blocks of data can be stored and retrieved in any order. HDDs are a type of non-volatile storage, retaining stored data even when powered off. Modern HDDs are typically in the form of a small rectangular box.
The cat (Felis catus) is a domestic species of small carnivorous mammal. It is the only domesticated species in the family Felidae and is often referred to as the domestic cat to distinguish it from the wild members of the family. A cat can either be a house cat, a farm cat or a feral cat; the latter ranges freely and avoids human contact. Domestic cats are valued by humans for companionship and their ability to hunt rodents. About 60 cat breeds are recognized by various cat registries. Cats were first domesticated in the Near East around 7500 BC. It was long thought that cat domestication was initiated in ancient Egypt, as since around 3100 BC veneration was given to cats in ancient Egypt. As of 2021 there are an estimated 220 million owned and 480 million stray cats in the world. As of 2017, the domestic cat was the second-most popular pet in the United States, with 95 million cats owned.
Reading is the process of taking in the sense or meaning of letters, symbols, etc. As a leisure activity, children and adults read because it is pleasant and interesting. In the US, about half of all adults read one or more books for pleasure each year. About 5% read more than 50 books per year. Americans read more if they: have more education, read fluently and easily, live in cities, and have higher socioeconomic status. Children become better readers when they know more about the world in general, and when they perceive reading as fun rather than another chore to be performed. Reading is typically an individual activity, done silently, although on occasion a person reads out loud for other listeners; or reads aloud for one’s own use, for better comprehension.
Water (H2O) is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth’s hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients. The amount of drinking water required per day is variable. It depends on physical activity, age, health, and environmental conditions. In the United States, Intake for total water, is 3.7L per day for human males older than 18, and 2.7L per day for human females older than 18. H2O indicates that each of its molecules contains one oxygen and two hydrogen atoms, connected by covalent bonds. “Water” is the name of the liquid state of H2O at standard conditions for temperature and pressure. Water covers approximately 70.9% of the Earth’s surface, mostly in seas and oceans.
A website (also written as web site) is a collection of web pages and related content that is identified by a common domain name and published on at least one web server. Websites are typically dedicated to a particular topic or purpose, such as news, education, commerce, entertainment, or social networking. Hyperlinking between web pages guides the navigation of the site, which often starts with a home page.Websites can be used in various fashions: a personal website, a corporate website for a company, a government website, an organization website, etc. Websites can be the work of an individual, a business or other organization, and are typically dedicated to a particular topic or purpose. Any website can contain a hyperlink to any other website content, commonly called a “link tree”.