Explanation

In modern versions of MS Word, you open the Header and Footer by clicking the "Insert" tab, then choosing "Header" or "Footer."

This allows you to edit and customize content at the top or bottom of every page.

Explanation

Windows is an operating system developed by Microsoft Corporation.

It is widely used on personal computers.

It offers a graphical user interface (GUI).

Explanation

Eukaryotic cells have a well-defined nucleus enclosed by a nuclear membrane.

Prokaryotic cells lack a nucleus — their DNA floats freely in the cytoplasm.

This is the main difference between the two.

Explanation

Given A = p + prt, we need to solve for t.

Step 1: Subtract p from both sides

A - p = prt

Step 2: Divide both sides by pr

(A - p) / pr = t

The answer is A-p/pr.

Explanation

The principal’s leadership is essential for guiding staff in continuously evaluating and improving the educational programme.

Effective leadership ensures coordination, direction, and motivation in achieving school goals.

Explanation

In a solid metal conductor, electric current is due to the flow of free electrons.

Electrons are negatively charged particles that move through the metal to create current.

Explanation

Explanation

Explanation

The processor (CPU) performs calculations and logical operations to convert raw data into meaningful information.

It is the central unit of the computer that executes instructions and controls other components.

Explanation

The Operating System (OS) acts as a bridge between the user and hardware, managing all software and hardware resources.

It is called a Resource Manager because it handles CPU, memory, input/output, and file system efficiently.