Technology

A microcontroller is a small computer on a single chip, combining a processor, memory and input/output peripherals, built to run one dedicated job inside a device.

Backup cameras have been required on all new light vehicles in the United States built on or after May 1, 2018. Under Federal Motor Vehicle Safety Standard No. 111 (49 CFR 571.111), every new passenger car, SUV, pickup truck, van, bus and low-speed vehicle with a gross vehicle weight rating of 10,000 pounds (4,536 kg) … Read more

The phone layout came from user testing at Bell Labs before Touch-Tone dialing was introduced. In a July 1960 Bell System Technical Journal study, R. L. Deininger compared 16 pushbutton arrangements and found that the layout used on ten-key adding machines, the 7-8-9-on-top order that calculators still follow, was not the best performer; the same grid … Read more

A CPU’s core parts are the arithmetic logic unit (ALU), registers, and the control unit, driven by a clock; modern chips also include on-chip cache and multiple cores.

Only partly: ANC cancels steady low-frequency noise well but struggles with fast-changing speech above about 1–1.5 kHz, so voices are mostly reduced by the ear cups’ passive seal.

Not yet. The electric 2CV Citroën unveiled at the Paris Motor Show in October 2026 is a concept car, and the company plans to have a production version in showrooms by 2028. It is a small, retro-styled electric city car that is expected to sell for about £13,000, and its final design may still change … Read more

NFC is a short-range, 13.56 MHz form of RFID that works within a few centimeters; RFID is the broader family of radio tags, some of which can be read from meters away.

About 6,000 U.S. law enforcement agencies now fly drones, and the Law Enforcement Drone Association estimates that 80% to 90% of them use drones made by the Chinese company DJI, which it says are generally cheaper and more capable than American-made models. The Trump administration has banned many new foreign-made drones from entering the U.S. … Read more

An Ultra High Speed HDMI cable is a certified HDMI 2.1 Category 3 cable tested for up to 48 Gbit/s, including 4K120 and 8K60 class links.

USB stands for Universal Serial Bus. It is an industry standard, developed by the USB Implementers Forum (USB-IF), for transmitting data and delivering power between computers and devices such as keyboards, displays, and storage drives. The first version, USB 1.0, was released in January 1996, and newer versions and connectors, including USB-C, carry the same … Read more