Technology Questions

Basic electrical component: Made from materials such as carbon, which component inhibits the flow of electric current? Identify the component defined by opposition to current. Choose the correct device.

Building services (UPS): What is a UPS used for in a building? Consider the function of an Uninterruptible Power Supply in electrical services. Choose the correct purpose.

Electronics fundamentals: Identify the full form of EMF in electrical engineering. Voltage is sometimes referred to as EMF. What does EMF stand for in this context? Choose the correct expansion.

Radio communications: Expand the abbreviation AM. In broadcast engineering and signal processing, what does the term AM stand for? Choose the correct expansion.

Laser physics basics: Identify the process that produces the first photons. Once a laser’s active medium is excited (population inversion initiated), which fundamental process produces the initial photons that start the light amplification? Choose the correct physical process.

File formats: Recognize the purpose of the .TXT extension. On computers and operating systems, a filename ending with .TXT typically represents which kind of file? Choose the correct file type.

Computing abbreviations: Expand DTP. In publishing and design workflows, the computer abbreviation DTP refers to which activity? Choose the correct expansion.

Memory technologies: Identify the EEPROM family device. Which of the following is a type or example of Electrically Erasable Programmable Read-Only Memory (EEPROM)? Choose the correct option.

Materials science: Relate resistivity and conductivity with a simple formula. Given the resistivity (ρ) of a material and its conductivity (σ), what is the correct mathematical relationship between these two properties? Choose the correct relation.

Signal analysis: Define the second harmonic relative to the base tone. In frequency-domain terms, a signal’s second harmonic is how many times the signal’s fundamental frequency? Choose the correct description.

File formats: Recognize the purpose of the .BAK extension. On many systems and applications, files with the .BAK extension are typically used for what? Choose the correct file type.

Drives and controls: Expand VVVF in power electronics. In variable-speed motor drives, the abbreviation VVVF stands for what? Choose the correct expansion.

File formats: Recognize the purpose of the .MPG extension. In multimedia files, the .MPG extension is commonly associated with which content type or standard? Choose the correct file type.

Television standards: Identify a country using NTSC. The NTSC (National Television System Committee) analog TV standard has been used in several countries. Which of the following countries used NTSC? Choose the correct country.

Computing abbreviations: Expand DB. In software and information systems, the abbreviation DB is commonly used to refer to what? Choose the correct expansion.

Electronics components: Expand FET. In semiconductor electronics, “FET” stands for which type of transistor? Choose the correct expansion.

History of communications: Date the first transatlantic radio broadcast. In which decade did the first successful transatlantic radio signal/broadcast occur (Marconi’s milestone)? Choose the correct decade.

Internet history: Identify the first ARPANET message. According to historical records, what exact text was successfully transmitted first over ARPANET before the system crashed? Choose the correct message.

Electrical basics: Expand AC and DC. In electric power and circuits, what do the abbreviations AC and DC stand for respectively? Choose the correct pair.

Electronic components: Name the device with two plates and a dielectric. Which electronic component consists of two conductive plates separated by a dielectric (insulator) and stores electric charge? Choose the correct component.