Explanation

Quotation marks " " in web searching force the search engine to find that exact phrase in the same word order.

It helps to narrow results and improve accuracy, especially for names, quotes, or specific terms.

Explanation

The Recycle Bin temporarily stores deleted files and folders from your computer.

You can restore them if needed or permanently delete them from there.

Explanation

Cryptography is the process of hiding or coding information so that only the person a message was intended for can read it.

The art of cryptography has been used to encode messages for thousands of years

And continues to be employed in bank cards, computer passwords, and e-commerce transactions.

Explanation

Business refers to organizational/commercial activities, not a programming structure.

Common Programming Concepts:

Condition: Used for decision-making (e.g., if-else statements).

Sequence: The order in which instructions are executed.

Loop: Repeats a block of code (e.g., for, while loops).

Explanation

Prototypes are early models of a product used to:

• Test functionality (e.g., Does the design work?).
• Gather user feedback (e.g., Is the interface intuitive?).
• Identify flaws before mass production.

Explanation

OCR Function:

OCR technology extracts text from images/scanned PDFs and converts it into machine-readable, editable text (e.g., turning a book scan into a Word file).

Common Uses:

Digitizing printed documents.

Automating data entry (e.g., invoices, receipts).

Enabling text searches in scanned files.

Explanation

The OS (e.g., Windows, macOS, Linux) manages all hardware/software operations, including:

• Memory allocation.
• File management.
• Running applications (like MS Word).

Example:

Without an OS (Operating System), a computer cannot boot or execute any program

Explanation

Six Degrees (1997):

• Launched in 1997, it allowed users to create profiles and connect with friends, pioneering modern social networking.
• Shut down in 2001 but set the template for future platforms.

Explanation

A pixel (picture element) is the smallest unit of a digital image.

Higher pixel count = Sharper image (e.g., 4K resolution has 3840×2160 pixels).

Explanation

Ctrl + N is universally used to create a new file/email in most programs (e.g., Outlook, Gmail, Word).

In Microsoft Outlook: Pressing Ctrl + N opens a new email window.