General Knowledge: Computing, History & Health

F7 is the standard keyboard shortcut for spelling and grammar check in Microsoft Office applications like Word. This function key launches a comprehensive review of text for spelling errors and grammatical issues.

The Popeye-spinach muscle myth originated from a 1930s research error that misplaced a decimal point, making spinach appear to have 10 times more iron than it actually does. While spinach contains iron and is nutritious, it doesn't rapidly build muscle strength - that requires protein intake and resistance training.

Tonometry is a diagnostic test that measures intraocular pressure (IOP) within the eye. It is primarily used to screen for and monitor glaucoma, a condition where increased eye pressure can damage the optic nerve and lead to vision loss.

Rickets is a bone development disorder in children caused by Vitamin D deficiency, which leads to soft and weakened bones. Vitamin D is essential for calcium and phosphorus absorption - without it, bones cannot mineralize properly, causing skeletal deformities and growth problems.

BMI is calculated as weight (kg) divided by height in meters squared (m²). For example, a person weighing 70 kg who is 1.75 m tall has BMI = 70/(1.75×1.75) = 22.9. This formula was developed by Adolphe Quetelet in the 1830s.

Apricots, watermelon, and tangerines all contain beta-carotene, which the body converts to Vitamin A. Apples, while nutritious and rich in fiber and Vitamin C, are NOT a significant source of Vitamin A or its precursors.

An autoresponder is a computer program that automatically generates pre-written email responses to incoming messages. It's commonly used for out-of-office notices, subscription confirmations, and customer service acknowledgments on mail servers.

A DSLAM (Digital Subscriber Line Access Multiplexer) aggregates multiple DSL connections from subscribers and multiplexes them onto a high-speed backbone network. It's a critical network infrastructure device that enables ISPs to efficiently serve many DSL customers over shared bandwidth.

Rational Software Corporation, creator of the Rational Unified Process (RUP), was acquired by IBM in 2003 for approximately $2.1 billion. RUP became part of IBM's Rational software development tools suite.

Web 2.0 refers to the shift from static web pages to dynamic, interactive web applications characterized by user-generated content, social networking, and collaborative platforms. It represents technological and conceptual improvements (Ajax, social media, APIs) rather than a new version of the Internet itself.

Microsoft introduced Windows 1.0 in November 1985 as a graphical operating environment that ran on top of MS-DOS. It was initially marketed as an add-on for MS-DOS rather than a standalone operating system.

In Microsoft Word, Ctrl+Shift+A toggles the All Caps formatting. This shortcut is application-specific and works in MS Office apps. Other combinations like Ctrl+Shift+B/C/D have different functions.

In Microsoft Word, Ctrl+Shift+A toggles the All Caps formatting. This shortcut is application-specific and works in MS Office apps. Other combinations like Ctrl+Shift+B/C/D have different functions.

The Ural Mountains form the boundary between Europe and Asia, not Africa. The Rocky Mountains are in North America, Andes in South America, and Alps in Europe - all are correctly matched.

ALT + CTRL + M is the standard keyboard shortcut in Microsoft Word to insert annotations or comments. The other key combinations (ALT + CTRL + P for print preview, ALT + CTRL + R for right-align, ALT + CTRL + S for split) perform different functions.

Sardar Bhagat Singh was executed on March 23, 1931, making this match correct. The Purna Swaraj Resolution was actually adopted in December 1929 (Lahore Session), not 1929 as a year label. The Congress Socialist Party was formed in 1934, not 1939. The Simla Conference took place in 1945, not 1940.

The Portuguese were the first Europeans to arrive in India as traders when Vasco da Gama reached Calicut in 1498. The Dutch arrived in the early 17th century (1605), the English in 1600 (though trading posts established later), and the Danish arrived in 1616.

Alauddin Khalji (1296-1316) introduced an elaborate market control mechanism including price regulation, supply control, and a rationing system to maintain stable prices for essential commodities in his empire. Iltutmish, Balban, and Firoze Tughlaq did not implement such comprehensive market controls.

Rafiq Zakaria, an Indian Islamic scholar and politician, wrote 'The Man Who Divided India' which is a critical analysis of Jinnah's role in the Partition. Arun Shourie has written about Partition but not this title, Dominique Lapierre co-authored 'Freedom at Midnight', and Salman Rushdie wrote different works on India.

ALT + F10 is the standard Windows keyboard shortcut to maximize an application window. ALT + F09 is not a valid function key (F9 is the correct notation), ALT + F08 should be F8, and ALT + F07 should be F7. The correct maximize shortcut is F10.