HTTPS stands for HyperText Transfer Protocol Secure. The "S" indicates that the connection is secure and encrypted, providing a safer way to transfer data between a user's browser and the server, compared to HTTP (which is not encrypted).

Therefore, the "S" in HTTPS stands for Secure.

The number keypad on a keyboard usually contains keys for numeric input and mathematical operations, including:

• Del (Delete)
• Enter
• Num Lock

However:

• Ctrl is not part of the number keypad. It is located on the main section of the keyboard and is used as a modifier key for various shortcuts.

Therefore, the correct answer is Ctrl.

A higher resolution means more pixels are packed into the same physical screen size. This makes the individual pixels smaller and closer together, resulting in a clearer and more detailed image.

In MS Word, pressing F7 opens the Spelling and Grammar tool, which allows you to review and correct any spelling and grammar errors in your document.

John Von Neumann is credited with developing the basic architecture of modern computers, known as the Von Neumann architecture. This architecture outlines the structure of a computer system, including a central processing unit (CPU), memory, and input/output devices, all connected by a bus. It remains the foundational model for most computer systems today.