Tag: science & technology

Rhinology is the medical specialty dealing with the nose and sinus diseases, from Greek 'rhino' meaning nose. Nosology is the classification of diseases, trichology studies hair, and selenology is the study of the moon.

Vexillology is the study of flags, flag design, and their history. The term comes from Latin 'vexillum' meaning flag. Felinology is the study of cats, foetology (misspelled fetology) relates to fetal study, and rheology studies fluid flow.

Bromatology is the scientific study of food, from Greek 'broma' meaning food. Phlebology studies veins, sitiology is another term for dietetics (also acceptable but bromatology is more formal), and tocology is obstetrics.

Actinobiology is the study of the effects of radiation on living organisms, combining 'actin' (radiation) and biology. Radiology uses radiation for diagnosis/treatment but doesn't specifically study radiation effects. Actinology studies radiation effects in general, and zymology studies fermentation.

Areology is the specific study of Mars, named after Ares (the Greek god of war). Mars is the Roman name. Astrogeology is broader (all celestial bodies), heliology studies the sun, and planetology studies all planets.

GSM networks in India primarily use two frequency bands: 900 MHz (0.9 GHz) and 1800 MHz (1.8 GHz). These are standardized GSM bands used globally. Option D correctly states this range as 0.9 GHz to 1.8 GHz.

In spreadsheet applications like Excel, every formula must begin with an equals sign (=) to indicate that the cell contains a formula rather than plain text or a value. This is the universal convention for formula entry.

To enter a formula as an array formula in Excel, you press CTRL + SHIFT + ENTER instead of just ENTER. This tells Excel to treat the formula as an array formula, performing calculations on multiple cells simultaneously and returning results to multiple cells.

Pressing SHIFT + F3 in Excel opens the Insert Function dialog box, which helps users search for and insert functions with their arguments. This is particularly useful when you don't remember the exact function name or syntax.

Pressing F3 in Excel pastes a defined name into a formula. When you've created named ranges or defined names in your workbook, F3 opens a dialog box allowing you to select and insert that name into your current formula, improving formula readability and reducing errors.