Explanation

Definition of Equator:

The equator is an imaginary 0° latitude line, encircling Earth’s midpoint.

It divides the planet into the Northern and Southern Hemispheres.

Explanation

User-defined functions are those that are created by the programmer to perform specific tasks.

Unlike pre-defined functions, they offer custom behavior and improve code reusability and structure.

Explanation

Let's use the Pythagorean theorem to find the distance between the school and the market:

School (north) = 9m

Market (east) = 12m

Distance² = 9² + 12²

= 81 + 144

= 225

Distance = √225

= 15m

Explanation

To convert the decimal number 139 to binary:

139 ÷ 2 = 69 remainder 1

69 ÷ 2 = 34 remainder 1

34 ÷ 2 = 17 remainder 0

17 ÷ 2 = 8 remainder 1

8 ÷ 2 = 4 remainder 0

4 ÷ 2 = 2 remainder 0

2 ÷ 2 = 1 remainder 0

1 ÷ 2 = 0 remainder 1

Reading the remainders from bottom to top:

10001011

Explanation

The Faraizi Movement (founded by Haji Shariatullah) emphasized reviving Islamic obligations (Faraiz).

It was not focused on modernization but on purifying Muslim society from un-Islamic practices.

Explanation

Pakistan has a federal parliamentary system, where powers are shared between the federal government and provinces.

The Prime Minister is the head of government, elected by the National Assembly.

Explanation

Frequency of sound refers to the number of vibrations per second.

It is measured in Hertz (Hz) — 1 Hz = 1 vibration per second.

Explanation

"Oldest" is the superlative degree of the adjective "old".

Superlative form shows the highest degree among three or more things.

Explanation

Mandela led the struggle against racial segregation (apartheid) in South Africa.

He became the country's first Black president in 1994.

Explanation

Explorer and Firefox are web browsers used to access the internet.

Such programs are categorized as application software, designed for specific user tasks.