Technology

Definition of saw

A handsaw is a tool used to cut wood and sometimes other materials. It is a saw with a long, serrated blade, which is attached, at its widest part, to a handle that is usually made of plastic or wood. To use the handsaw, a person must use a saw to cut wood, and then […]

Definition of shareware

Shareware is an English term that is not part of the Royal Spanish Academy (RAE) dictionary. The concept refers to a certain type of software that, due to its form of distribution, imposes certain limitations on the user. Typically, shareware is a computer program that is distributed free of charge. Shareware is a type of software ...

SEO Definition

SEO is an acronym that comes from the English expression Search Engine Optimization. It is the technique that consists of optimizing a website so that it achieves the best possible positioning in Internet search engines. In other words, a site that respects SEO criteria will appear among the first results returned by […]

Definition of digital signal

Originating from the Latin word signalis, a signal is a sign or mark that provides information about something in order to warn or alert someone about a matter. The term can also refer to the change in the current of electricity used to transmit data. Digital, due to its […]

Definition of traffic light

The traffic light is a device that, through different lights that act as signals, allows the regulation of traffic on public roads. The notion comes from the Greek language. For example: «The driver did not respect the traffic light and when crossing the avenue he collided with a truck», «Don't forget, Pedrito, that you always have to […]

Definition of semiconductor

A semiconductor is an insulating material that, when certain substances are added to it or in a certain context, becomes a conductor. This means that, depending on certain factors, the semiconductor acts as an insulator or a conductor. Semiconductors can be intrinsic or extrinsic. Intrinsic semiconductors (also known as intrinsic semiconductors) are […]

Definition of transgenic seeds

Transgenic seeds are those that have been modified through scientific practices. These seeds have certain genes in their genome that they did not have in their natural state. It should be noted that a seed is a component of a plant that houses an embryo, which serves to produce a new specimen. Transgenic, on the other hand, is a plant that has been modified […]

Definition of selfie

Selfie is an English term that is used as a synonym for self-photo or self-portrait. It is a practice that is more than a century old, but that gained great popularity in the 21st century thanks to new technologies and social networks. A selfie consists of taking a photo of oneself […]

Definition of pencil sharpener

A pencil sharpener is a tool used to sharpen pencils. Using this instrument, it is possible to remove wood from the pencil so that its graphite tip is exposed and can be used to write or draw. The pencil sharpener is therefore essential to be able to continue using a pencil […]

Definition of corkscrew

A corkscrew is a tool that allows you to extract corks used to close bottles. The corkscrew can have different shapes and mechanisms to fulfill its function. A metal propeller, which ends in a point, is the common component of all corkscrews. This propeller is inserted into the corkscrew.