Vocabulary

• have to: Must do
• around the world: In or to many countries.
• come from: To have as your native country or city
• deal with
• for long: For a considerable period of time.
• rather than: More exactly; more correctly
• improve: To make, or become, something better
• spectrum: The wavelengths of colors from red to violet
• interfere: To get involved in something not your business
• develop: To explain something in steps and in detail
• precious: Having a youthful, cute, and pleasant appearance
• purpose: Reason for which something is done; aim; goal
• rid: To cause to no longer have (pest, problem)
• combination: Series of letters or numbers needed to open a lock
• separate: Being different from or unrelated to another
• suck: To be very bad, undesirable or unpleasant
• similar: Nearly the same; alike
• deal: To cope with something - usually troubles
• generally: Usually; as a rule; by, to or for most people
• direct: To tell someone in a very clear way to do something
• attractive: Making you like them, as by being good-looking
• refer: To talk about or write about something
• require: To demand that someone does something
• scientific: Concerning academic study of the physical world
• secure: To get or achieve something with certainty
• communicate: To give and exchange information
• create: To make, cause, or bring into existence
• switch: A change or shift from one method to another
• standard: Official unit of measuring something
• device: Object, machine, or equipment for a specific use
• connection: Something that joins things together; being joined
• randomly: With no pattern or clear purpose; by chance
• rely: Depend on with full trust or confidence
• frequency: Number of repetitions of (radio or sound) wave
• century: Period of 100 years
• operate: To control or handle something, such as a machine
• amplify: To increase the effect of something
• lot: What happens to a person in life from chance; fate
• chip: To break a small piece off something such as a cup
• daily: Happening every day
• license: To give official permission to do something
• great: Very good; better than before
• omit: To not do, or include
• start: First time or place that a thing exists; beginning
• group: Two or more musicians who play music together
• world: All the humans, events, activities on the earth
• think: To have an idea about something without certainty
• fluorescent: Having the property of fluorescence; brightly lit
• life: All the living things e.g. animals, plants, humans
• interference: Unwanted involvement in the concerns of others
• wireless: Needing no wires to make something operate
• battery: Portable device that stores electricity
• disconnect: To separate something from something else
• datum: Item of factual information
• unify: To bring or join together into one
• update: Addition of a current version of something
• unreliable: Not able to be trusted or believed
• mid: At (or near) the middle point
• nickname: Name given by friends or family
• headphone: Device put over the ears to listen to recordings
• reset: To return to the original start or formation
• logo: Name, symbol or picture which represents a company
• gigahertz: A unit of frequency equal to 10^9 hertz