Explanation

• In MS Excel, every formula and function starts with the equal sign (=).
• The = tells Excel that the cell contains a formula, not plain text.
• Functions such as SUM, AVERAGE, and IF also begin with =.
• Without the =, Excel treats the entry as ordinary text.

Last verified on 10-02-2026

Explanation

• .pptx → Default PowerPoint Presentation (2007 and later)
• ppt → PowerPoint Presentation (97–2003)

Additional information:

• .ppsx → PowerPoint Show (opens directly as a slideshow)
• .potx → PowerPoint Template
• .pptm → Macro-enabled Presentation

Last verified on 11-07-2026

Explanation

• The capital of Brazil is Brasília.
• Inaugurated: April 21, 1960
• Previous capitals: Rio de Janeiro (1763–1960) and Salvador (earlier colonial period)
• Largest city: São Paulo

Additional information:

• Currency: Brazilian Real (BRL)
• Official Language: Portuguese
• Continent: South America
• Major Religion: Christianity
• National Sport: Football (Soccer)
• Parliament: National Congress
• Independence Day: 7 September
• Independence Year: 1822

Last updated: 27 OCT 2026 

Explanation

• The nucleus contains the cell’s genetic material (DNA).
• DNA carries hereditary information.
• The nucleus controls many cell activities.
• In prokaryotic cells (like bacteria), DNA is not enclosed in a nucleus; it is found in the nucleoid region.
• Genetic material = DNA.

Explanation

• DOCX is the newer version of DOC, the original official Microsoft Word file format. 
• Microsoft Word 97 - 2003 Document extension (.doc).
• Microsoft Word 2007 to till date Document extension (.docx).

Additional information:

• .xls extension of Excel.
• .ppt extension of PowerPoint.
• .txt extension of Text files.
• .pdf extension of Portable Document Format.

Last verified on 15-02-2026

Explanation

• Pressing F2 allows you to edit the contents or formula of the current cell in MS Excel.

Additional information:

• F4: Repeat last action / toggle absolute and relative references
• CTRL + 1: Opens Format Cells dialog
• CTRL + F: Opens Find dialog
• Works in: Excel 2007, 2010, 2013, 2016, 2019, 365

Last verified on 12-03-2026

Explanation

• Email stands for Electronic Mail.
• It is a method of sending and receiving digital messages through the internet.
• The term electronic mail has been used with its modern meaning since 1975.
• The shorter form E-mail became common around 1979.

Additional information:

Parts of a valid email address:

1. Email Prefix
2. Email Domain

Address: example@mail.com

1. example = Email Prefix
2. mail.com = Email Domain

Last verified on 16-06-2026

Explanation

• BCC stands for: Blind Carbon Copy
• Used in: Email communication
• Purpose: Hides recipient email addresses from other recipients

Additional information:

• CC (Carbon Copy): Recipients are visible to all
• BCC: Recipients are hidden from everyone except the sender

Last verified on 16-01-2026

Explanation

• Total bones in adult human body = 206
• At birth = 270–300 bones (fuse to become 206)

The total bones of our body can be divided into:

• Axial skeleton = 80 bones
• Appendicular skeleton = 126 bones

Additional information:

• Newborn baby has 300 bones
• Longest bone = Femur
• Shortest bone = Stapes
• Bones in human skull = 22

Last verified on 30-03-2026

Explanation

• Signed: 26 June 1945
• Place: San Francisco, USA
• Entered into force: 24 October 1945
• Articles: 111
• Chapters: 19

Last verified on 04-09-2026