Explanation

The five major crops in Pakistan are:

1. Cotton
2. Wheat
3. Rice
4. Sugarcane
5. Maize

Cotton is the most important cash crop.

It followed by rice, which is the second main staple food crop and a major export commodity.

Cash crop means نقدی فصل

Explanation

Explanation

The main electronic component used in first-generation counterparts was Vacuum Tubes and Valves.

Leo is called the first-generation computer.

The five generations of computers:

1. First Generation (1946-1959 or 1940-1956): Vacuum tube-based technology (e.g., ENIAC).
2. Second Generation (1959-1965 or 1956-1963): Transistor-based technology.
3. Third Generation (1965-1971 or 1964-1971): Integrated circuit-based technology.
4. Fourth Generation (1972-1980): VLSI microprocessor-based technology.
5. Fifth Generation (1980-present): ULSI microprocessor-based technology, with a focus on artificial intelligence.

Explanation

CDMA is a wireless communication technology that allows multiple signals to occupy a single transmission channel using unique codes.

It improves efficiency and security in mobile networks.

Explanation

Computer Monitor is also called VDU.

VDU (Visual Display Unit) refers to devices like monitors or screens that display output from a computer.

It is an essential part of the user interface in computing.

Explanation

PIN is a short for a personal identification number.

The PIN is a set of personal numbers used to prove positive identification.

It is often used with automated bank teller machines, telephone calling cards, and accessing wireless networks.

Explanation

A Realtime operating system (RTOS) is designed to respond immediately to external events.

It is used in systems like aircraft controls, medical devices, and industrial machines, where delays can be critical.

Explanation

Paint is a basic tool used for drawing and graphic designing.

It allows users to create, edit, and color images easily.

Explanation

A metaphor directly compares two unlike things without using "like" or "as."

Simile also compares but uses "like" or "as".

Alliteration is repetition of consonant sounds.

Explanation

He exclaimed that it was a very beautiful scene

Exclamatory sentences change to “exclaimed that” in indirect speech.

The sentence expresses strong emotion, so “exclaimed” is used appropriately.