Explanation

• Charles Babbage's computer was called the Analytical Engine.
• He was an English mathematician, inventor, and mechanical engineer.
• He designed the Analytical Engine, a general-purpose mechanical computer concept.
• Babbage worked on the Analytical Engine during the 19th century until his death in 1871.
• The Analytical Engine was designed to perform calculations and follow programmed instructions.
• Charles Babbage is widely known as the “Father of the Computer.”

Last verified on 10-08-2026

Explanation

• The thin black cross-shaped pointer in MS Excel is used to complete lists and fill patterns.
• It is known as the Fill Handle.
• The Fill Handle appears at the bottom-right corner of the selected cell.
• Dragging it can automatically fill adjacent cells with data, formulas, numbers, dates, or patterns.
• It can extend sequences such as 1, 2, 3, 4... or Monday, Tuesday, Wednesday...
• It saves time by automatically completing repetitive data.

Last verified on 10-08-2026

Explanation

• Data, sort is used for arranging data in ascending/descending order in MS Excel.
• Sort A to Z to perform an ascending sort (A to Z or smallest number to largest).
• Sort Z to A to perform a descending sort (Z to A or largest number to smallest).

Last verified on 10-08-2026

Explanation

• Shift + Enter inserts a manual line break in MS Word without starting a new paragraph.
• It moves the cursor to the next line while keeping the text within the same paragraph.

Additional information:

• Enter: Starts a new paragraph.
• Ctrl + Enter: Page break.

Last verified on 09-08-2026

Explanation

• SMS stands for Short Message Service.
• It is a text messaging service used on mobile phones and other communication systems.
• SMS was defined in 1986 as part of the Global System for Mobile Communications (GSM) standards.
• The first SMS message was sent on 3 December 1992.
• The first SMS was sent by Neil Papworth from a computer to a Vodafone mobile phone.
• First SMS Content: “Merry Christmas”.

Last verified on 09-08-2026

Explanation

• Mesh topology has the highest reliability.
• Because devices have multiple direct connections.
• If one connection fails, data can usually travel through another available path.

Additional information:

• Star topology depends heavily on its central hub or switch.
• Ring topology can be disrupted if a critical connection or device fails.

Last verified on 09-08-2026

Explanation

• The first or main page of a website is commonly called the Homepage.
• It usually provides an overview of the website and links to other important pages.
• The homepage is often the default or starting page visitors see when they visit a website.

Additional information:

• Webpage → A single page on a website
• Website → Collection of related webpages
• URL → Address of a webpage or website
• Web browser → Software used to access websites

Last verified on 09-08-2026

Explanation

• Slide Sorter View main purpose is to rearrange, move, copy, delete, or organize slides easily.
• Its in PowerPoint displays all slides as small thumbnails on one screen.
• It is especially useful for checking the overall sequence and structure of a presentation.
• It can also help manage slide transitions across multiple slides.

Last verified on 09-08-2026

Explanation

• Spreadsheet software is used for calculations and data organization.
• MS Excel is a widely used spreadsheet program.
• It works with rows, columns, and formulas.

Last verified on 11-04-2026

Explanation

• Malware means malicious software designed to damage, disrupt, steal information from, or gain unauthorized access to computer systems.
• Common types include viruses, worms, trojans, ransomware, spyware, and adware.

Additional information:

• Virus: Attaches itself to files and can spread when the infected file runs.
• Worm: Can spread automatically across networks without attaching to another file.
• Trojan: Pretends to be legitimate software but performs malicious actions.
• Ransomware: Encrypts or blocks access to data and demands payment.
• Spyware: Secretly collects information about a user or system.

Last verified on 09-08-2026