Explanation

1 PB = 1,000 Terabytes

1 TB = 1,000 GB

So, 1 PB = 1,000 × 1,000 = 1,000,000 GB

Explanation

The Interface Message Processor (IMP) was the first device used to connect computers in the early ARPANET, the precursor to the internet.

It acted like a packet-switching node, similar to modern routers.

Explanation

Resolution is commonly measured in pixels per inch (PPI) or dots per inch (DPI) for screens and printed images.

Higher PPI/DPI means better image clarity and detail.

Explanation

The reporting verb "said" is in past tense, so the tense in the reported speech changes.

"Am" changes to "was", and "now" changes to "then".

So, "I am busy now" becomes "he was busy then" in indirect speech.

Explanation

In flowcharts, a parallelogram is used to show input (e.g., user enters data) or output (e.g., display result) operations.

It helps distinguish between data flow and processing steps in a program’s logic.

Explanation

Perimeter formula for a rectangle: 2 × (Length + Width)

2 × (210 + 118) = 2 × 328 = 656 cm

Explanation

Number of rabbits = 3/8 × 480

= 180

Number of white rabbits = 2/5 × 180

= 72

Explanation

In the Concrete Operational Stage (ages 7–11), children start thinking logically about concrete events.

They can understand concepts like conservation, time, space, and quantity, helping them manage their surroundings better.

Explanation

Khadija is thrice as old as her daughter, so:

K = 3D

The sum of their ages is 45:

K + D = 45

3D + D = 45

4D = 45

D = 45/4

D = 11.25 (12)

Explanation

The <sup> tag in HTML is used to define superscript text, which appears slightly above the normal line (e.g., x²).

Commonly used for mathematical exponents and footnote references.