General knowledge online quiz

Steve Jobs was an American business magnate, industrial designer, and investor, best known as the co-founder of Apple Inc.

William Addis is credited with inventing the first mass-produced toothbrush in 1780, though some sources cite 1770 or 1790 depending on the specific design.

Monopoly was patented by Charles Darrow in 1935, placing its commercial origin firmly in the 1930s. While earlier versions existed, the iconic game became a national phenomenon during that decade.

James Watt is best known for his improvements to the steam engine, specifically the development of the rotary steam engine, which allowed steam power to be used for manufacturing and industrial applications.

Michael Faraday discovered electromagnetic induction in 1831, which is the fundamental principle behind the electric generator. While others improved upon his design, he is credited with the invention.

The original IBM PC (Model 5150) released in 1981 used an Intel 8088 processor running at 4.77 MHz, which falls into the 'less than 5 MHz' category.

OS/2 (written as OS-2 in the question) was an operating system developed jointly by IBM and Microsoft. It was IBM's flagship PC operating system in the late 1980s and early 1990s before Windows gained dominance.

In the context of computing, OS is the standard abbreviation for Operating System, which is the system software that manages computer hardware and software resources.

The United Nations Charter outlines objectives including maintaining international peace, developing friendly relations among nations, and achieving international cooperation in solving global problems like poverty and disease.

Junko Tabei was a Japanese mountaineer who became the first woman to reach the summit of Mount Everest on May 16, 1975.

The Earth's rotation creates a centrifugal force that acts outward, opposing gravity. If the speed of rotation increases, this outward force increases, effectively reducing the net gravitational pull experienced by a body, thus decreasing its weight.

World War I began in 1914. Germany declared war on Russia on August 1, 1914, and on France on August 3, 1914.

A periscope uses mirrors or prisms to allow an observer to see objects that are not in their direct line of sight, which is essential for submarines to view the surface while remaining submerged.

Filariasis is a parasitic disease caused by microscopic, thread-like worms. These parasites are transmitted to humans through the bite of infected mosquitoes.

Ecology is the branch of biology that studies the interactions among organisms and their physical environment.

The ozone layer in the Earth's stratosphere absorbs the majority of the Sun's harmful ultraviolet (UV) radiation, protecting life on the surface.

Eugenics is the study of or belief in the possibility of improving the qualities of the human species or a human population, especially by such means as discouraging reproduction by persons having genetic defects or encouraging reproduction by persons presumed to have inheritable desirable traits.

The Armistice of 11 November 1918 was the agreement that ended the fighting in the First World War on the Western Front.

The National Socialist German Workers' Party, commonly known as the Nazi Party, rose to power in Germany in 1933 under Adolf Hitler.

The Nobel Prize is awarded in the categories of Physics, Chemistry, Physiology or Medicine, Literature, Peace, and Economic Sciences.

Entomology is the scientific study of insects.

The HTC Dream, also known as the T-Mobile G1, was the first commercially available smartphone to run the Android operating system, released in 2008.

The Nokia X family was a series of smartphones announced by Nokia in 2014 that ran a modified version of the Android operating system.