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.

Explanation

Peshawar is called the Valley of Flowers. 

Peshawar means City of flowers

IMPORTANT QUESTION RELATED TO "PESHAWAR"

Peshawar is the sixth most populous city in Pakistan, with a population of over 2.3 million.

Peshawar was named so by Mughal Emperor Akbar

The modern name of the city "Peshawar" comes from the Persian words 'Pesh' - 'Awardan' meaning 'the first coming city.

Peshawar is situated in the northwest of the country,

Peshawar is close to the International border with Afghanistan.

Peshawar is the capital of the province of Khyber Pakhtunkhwa,

Peshawar Offical Languages Pashto, Hindko, Urdu

Explanation

Microprocessors are used in many other electronic devices, including:

• Computers,
• Digital systems,
• Calculators

Inventor of Microprocessors: Marcian E Hoff

Microprocessors in 4th generation computer.

AGM 09-2-2023

Explanation

The motherboard is the central printed circuit board in a computer that serves as the foundation for all other hardware components.

All other devices, including the CPU, RAM, hard drives, and peripherals, connect directly or indirectly to the motherboard. 

Explanation

He told me that he had the duty.

Present perfect ("have") changes to past perfect ("had") in indirect speech.

Explanation

Active: We do not waste time.

Passive: Time is not wasted by us.

(Subject becomes the object, and the verb is changed appropriately.)