Tag: science & technology

Ctrl + 2 is equivalent to Ctrl + B in Excel, as both apply bold formatting to selected text. Numbered shortcuts (Ctrl + 1 through Ctrl + 6) correspond to commonly used format commands for efficiency. Ctrl + I is for italics, Ctrl + U for underline, and Ctrl + ' is for copying formula from above cell.

Pascal (Pa) is the SI unit of pressure, defined as one newton per square meter (N/m²). Kelvin (temperature), Henry (inductance), and Newton/sec (not a standard unit) are incorrect for pressure.

Coulomb (C) is the SI unit of electric charge, representing the charge transported by one ampere in one second. Ampere is current, Farad is capacitance, and Kirchhoff is not a unit.

Kelvin (K) is the SI base unit of thermodynamic temperature. Celsius and Fahrenheit are relative scales, while Centigrade is an older name for Celsius (not an SI unit).

Diopter (D) is the SI unit of optical power of a lens, equal to m⁻¹ (inverse meters). Pascal is pressure, Doppler is an effect (not a unit), and Lumex is not a standard unit.

Ampere (A) is the SI base unit of electric current. Coulomb measures charge, Farad measures capacitance, and Kirchhoff is not a unit but a physicist's name associated with circuit laws.

Farad (F) is the SI unit of capacitance, representing one coulomb per volt. Pascal is pressure, Henry is inductance, and Coulomb is charge.

Henry (H) is the SI unit of inductance. Farad is capacitance, Flux is not a unit, and Lumex is not a standard unit.

Brendan Eich created JavaScript in 1995 while working at Netscape Communications. He developed the language in just 10 days and it was originally named Mocha, then LiveScript, before being renamed JavaScript for marketing reasons. Charles Babbage was a 19th-century computing pioneer, James Gosling created Java, and Larry Page co-founded Google - none of them created JavaScript.