Explanation

The Second World War began in 1939 when Germany, under Adolf Hitler, invaded Poland.

In response, Britain and France declared war on Germany.

Explanation

In asynchronous transmission, data is sent one byte at a time with start and stop bits, and often a parity bit for error checking.

It's commonly used in serial communication, like keyboards and older modems.

Explanation

Informal education is closely linked with society as it happens through daily interactions, culture, and experiences.

It includes learning from family, community, media, and environment without structured curriculum.

Explanation

DDR3 SDRAM (Double Data Rate 3 Synchronous Dynamic RAM) can read or write 8 words of data per clock cycle due to its 8n-prefetch architecture.

This allows higher data transfer rates compared to earlier DDR versions.

Explanation

The AND gate performs logical multiplication, outputting 1 only when all its inputs are 1.

It is also known as a conjunction gate in digital logic.

Explanation

An Operating System (OS) is a set of programs that manages computer hardware and software resources and coordinates tasks such as running applications.

It provides essential services like memory management, task scheduling, and file management for smooth computer operation.

Explanation

Pascaline was one of the first mechanical calculators.

It was invented by Blaise Pascal in 1642 to perform basic arithmetic operations.

It used gears and wheels to add and subtract numbers mechanically.

Explanation

When a teacher ensures students can use learned skills independently, they are promoting self-regulation, which helps students manage their learning and behavior autonomously.

This fosters critical thinking and problem-solving abilities, encouraging students to take responsibility for their own progress.

Explanation

"Between" is used when referring to two people or things — here, you and me.

"Among" is used for more than two.

Explanation

Given: logₓ 0.09 = 2

Step 1: Convert to exponential form

x² = 0.09

Step 2: Solve for x

x = √0.09

x = √(9/100)

x = 3/10

x = 0.3.