Sub Inspector (BS-11)-2021 Punjab Police Department (03.10.2021)

A binary choice means selecting between two possible alternatives or options. This concept is common in decision-making, computer science, and logic, where only two distinct outcomes or answers are available. So, a binary choice always offers two options, making it straightforward to understand and apply.

The Rowlett Act was a significant law passed by the British government in India in 1919. It allowed the authorities to arrest and detain people without trial, which sparked widespread protests and contributed to the growing Indian independence movement. Knowing the year of this act helps place it within the historical timeline of colonial India.

In English, when people laugh directed toward someone, we say they are laughing "at" that person. This phrase implies that the person is the subject of the laughter, often causing embarrassment or discomfort. Understanding prepositions in such expressions helps improve sentence accuracy and fluency.

The phrase "destined for" means someone is meant or expected to achieve or reach something in the future. In this case, "the bar" refers to the legal profession, so "destined for the bar" means he is expected to become a lawyer. Using the correct preposition makes the sentence clear and meaningful.

The BIOS (Basic Input/Output System) is a crucial program that starts when a computer is powered on. It is permanently stored in **ROM** (Read-Only Memory), which keeps the data even when the computer is turned off. Understanding where BIOS is stored helps in grasping how a computer starts and loads its operating system.

The word "eager" means showing strong interest or enthusiasm toward something. Its antonym is **uninterested**, which describes someone who lacks interest or enthusiasm. Recognizing antonyms helps improve vocabulary and comprehension skills, especially in reading and language-based exams.

The first email was transmitted in 1971 by Ray Tomlinson, a computer engineer who developed the system that allowed messages to be sent between users on different computers. He also introduced the use of the "@" symbol in email addresses. This innovation marked the beginning of modern digital communication and revolutionized how people connect across the world.

**Shah Jahan**, the fifth Mughal emperor, was originally named **Khurram** at birth. He is best known for commissioning the construction of the Taj Mahal in memory of his wife Mumtaz Mahal. Knowing the original names of historical figures can help in understanding their personal histories and how they came to be known by their royal titles.

The correct phrase is "on behalf of," which means you are expressing something for someone else or representing a group. In this sentence, "on behalf of all of us" shows that the speaker is thanking someone as a representative of the whole group. Learning common prepositional phrases like this helps improve both formal and informal English communication.

MS Word is initiated by the file named Winword.exe. This executable file is located in the Microsoft Office installation directory and is responsible for launching the Word application. Recognizing common executable file names can be helpful when troubleshooting software issues or understanding how programs are run on a computer.

There are five fundamental pillars in Islam, which form the foundation of a Muslim's faith and practices. These are Shahada (faith), Salah (prayer), Zakat (charity), Sawm (fasting during Ramadan), and Hajj (pilgrimage to Mecca). Understanding these pillars is essential for anyone studying Islamic beliefs and principles.

The correct preposition in this sentence is about. The phrase "care about" means to be concerned or worried about something. So, "He does not care about losing his job" means that he is not concerned or affected by the possibility of losing his job. Using the right preposition helps make your sentence grammatically correct and easy to understand.

The correct choice is above because the phrase "seen from above" means viewing something from a higher position, which often gives a clearer or more impressive perspective. While "below" and "down" are directions, they don't fit naturally in this sentence structure. Understanding the right prepositions based on context is key to writing clear and accurate English.

The phrase "care about" is used when someone is concerned or interested in something. Saying "She cares about the environment" means she is concerned for the wellbeing of nature. Using the correct preposition helps express thoughts clearly and naturally.

The **Proper** function in MS Excel converts the first letter of each word in a text string to uppercase and the rest to lowercase. This is useful for formatting names or titles consistently. Knowing how to use text functions like Proper can help you clean and organize data effectively.

The correct preposition here is in. The phrase "interfere in" means to become involved in something that is not your concern. So, "Please do not interfere in my personal affairs" politely asks someone to stay out of your private matters. Using the right preposition makes your sentence clear and respectful.

The correct phrase is "take something to heart," which means to be deeply affected or hurt by something, usually criticism or advice. Saying "he took the criticism to heart" means he was emotionally impacted by it. Using such idiomatic expressions correctly makes your English sound more natural and fluent.

Dasu Dam is a major hydroelectric project situated in Khyber Pakhtunkhwa (KPK) province of Pakistan. It is part of the country’s efforts to increase its power generation capacity. Knowing the location of important infrastructure projects helps in understanding regional development and geography.

International Human Rights Day is observed every year on 10 December. This day marks the anniversary of the adoption of the Universal Declaration of Human Rights by the United Nations General Assembly in 1948. It’s a significant occasion to promote awareness and respect for human rights worldwide.

The correct phrase is "make of," which means to form an opinion or judgment about something. So, "What do you make of the lecture?" is asking for your thoughts or evaluation of the lecture. Understanding such common phrases helps in effective communication and comprehension.

GUI means Graphical User Interface, which is a type of interface that allows users to interact with electronic devices through graphical icons and visual indicators instead of text-based commands. Knowing this term is essential for understanding how modern software and operating systems work.

In MS Excel, the dollar sign ($) is used to create an absolute cell reference. This means that when you copy a formula, the reference with the dollar sign remains fixed on that specific cell. Understanding absolute vs relative references is important for efficient spreadsheet management.

The correct preposition here is about. When you feel concern or anxiety regarding something, you "worry about" it. Saying "I am worried about the exam" means you are feeling nervous or concerned about how the exam will go. Using the right prepositions is key to expressing emotions accurately.

Baluchistan was officially granted the status of a province in Pakistan in 1970. This change helped integrate the region more fully into the administrative framework of the country. Knowing important dates like this helps in understanding the political history and development of Pakistan.

The phrase "sail under false colors" means to **try to deceive** or mislead someone by pretending to be something you are not. It originally comes from naval warfare when ships would fly flags of other countries to trick enemies. Understanding idioms like this can make your English more expressive and natural.

The correct word is caste, which refers to a social class system. Saying "He does not believe in caste and creed" means he rejects discrimination based on social hierarchy or religion. Understanding these terms helps in discussing social issues clearly and respectfully.

To calculate the weight of a hollow pipe, you find the volume of iron by subtracting the inner cylinder volume from the outer cylinder volume, then multiply by the density. Here, density means how much mass is in a certain volume. This approach helps in solving practical problems involving materials and their weights.

The sum of consecutive numbers can be quickly found by adding the first and last number, multiplying by the total number of terms, and then dividing by 2. Here, (46 + 50) × 5 ÷ 2 = 240. This method saves time and helps in solving series-related problems efficiently.

Electronic record keeping helps reduce the use of physical paper, making workspaces more efficient and environmentally friendly. Creating a paperless environment saves space and makes it easier to manage and retrieve information. This concept is important in modern offices and digital transformation.

In Microsoft PowerPoint, pressing the F5 key begins the slide show from the first slide. This shortcut helps presenters quickly start their presentation without navigating menus. Familiarity with such shortcuts improves efficiency while working with presentation software.

The correct spelling is Executive, which refers to a person responsible for managing or directing an organization. Knowing proper spelling is essential for clear communication, especially in formal and professional contexts.

SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending emails between different hosts on the internet. Understanding protocols like SMTP helps in grasping how email communication works in computer networks.

Uploading means sending data from your computer to the internet or another system. It's the opposite of downloading, which is receiving data. Knowing these terms is important for understanding how data moves online and how internet activities work.

The correct preposition here is at, which is used to indicate a specific point in time, like "the end of the lesson." Using the right prepositions is essential for clear and accurate English communication.

John Von Neumann designed the core structure of modern computers, known as the Von Neumann architecture. This design is crucial because it explains how computers store instructions and data in memory, allowing them to perform various tasks efficiently. Understanding this helps build a strong foundation in computer science.

The ozone layer is found approximately 30 to 45 kilometers above the Earth’s surface in the stratosphere. This layer is important because it protects life on Earth by absorbing the majority of the sun’s harmful ultraviolet radiation. Knowing its location helps understand environmental science and atmospheric studies.

Computers are traditionally classified into five generations, each marked by significant technological advancements. Learning about these generations helps students understand the evolution of computing technology over time and the innovations that shaped modern computers.

A scanner is a device that captures physical images or documents and converts them into digital format. This is essential for digitizing information, making it easy to store, edit, and share electronically. Knowing about scanners is useful when learning about computer peripherals and data input methods.

A fable is a short story, often with animals as characters, that conveys a moral lesson. The term 'allegory' is similar because it also uses symbolic figures and actions to express truths or generalizations about human life. Understanding synonyms helps improve vocabulary and comprehension skills.

Magnetic tape stores data in a sequence, meaning you have to go through the data in order to reach a specific part. This is why it is called a serial access medium. Unlike hard drives or SSDs that allow random access, magnetic tape is mainly used for backups or archiving where sequential reading is sufficient.

The National Accountability Bureau (NAB) is Pakistan's main anti-corruption agency. The chairman plays a vital role in leading efforts to investigate and prevent corruption. Javed Iqbal is a well-known former chairman who served for several years, making significant contributions to NAB’s mission. Understanding the leadership of such organizations is important for grasping how accountability works in governance.

Polyandry is the term used when a woman has more than one husband at the same time. It is a rare form of marriage compared to polygamy, which generally refers to one person having multiple spouses of the opposite gender. Knowing these distinctions helps in understanding social structures and anthropology-related topics.

Spam refers to unsolicited or irrelevant messages sent over the internet, often to large numbers of users, usually for advertising. Recognizing spam is essential for maintaining email security and managing digital communication efficiently. Learning this term helps students understand basic internet safety and etiquette.

When you open a presentation in Microsoft PowerPoint, the left panel typically shows the "Slides" and "Outline" tabs. The "Notes" section, however, appears below the slide—not in the left panel. Understanding the PowerPoint interface is helpful for creating well-structured and organized presentations.

The acid used in car batteries is sulfuric acid, which is chemically represented as H₂SO₄. It acts as the electrolyte that allows the flow of electrical current between the plates inside the battery. This is an essential topic in basic chemistry and helps understand how common technologies function in everyday life.

Google Chrome, Mozilla Firefox, and Opera are all web browsers. A web browser is a software application that allows users to access and view websites on the internet. Knowing about web browsers is important for digital literacy, as they are essential tools for browsing, searching, and interacting online.

Email allows you to send a variety of file types, including text messages, video clips, audio recordings, and documents as attachments. This makes email a versatile communication tool used in both personal and professional settings. Understanding this helps users utilize email effectively for different types of communication.

A kennel is the correct term for a place where dogs are housed, whether temporarily or permanently. It's commonly used for boarding, breeding, or training dogs. Learning such specific vocabulary improves general knowledge and language skills, especially for exams and everyday conversations.

"Adjacent" means something that is next to or adjoining something else. The word "alongside" closely matches this meaning, making it the correct synonym. This type of vocabulary is often tested in English exams, so it's useful to be familiar with commonly used synonyms like this one.

The PROPER function in Microsoft Excel is used to convert text so that the first letter of each word is capitalized, and all other letters are in lowercase. This is especially helpful when cleaning up data that contains names or titles in inconsistent formats. Understanding text functions like PROPER is essential for efficient spreadsheet management.

A duplex connection allows data to be sent and received at the same time between two points. This is common in modern communication systems like telephone lines and internet connections. Knowing about duplex communication is useful when studying networking and data transmission concepts in computer science.

“Generous” describes someone who gives freely or shows kindness and abundance. The word “plentiful” aligns well with this idea, as it suggests abundance or more than enough. Understanding synonyms like this helps improve vocabulary and comprehension in both writing and reading tasks.

To add a chart in Microsoft PowerPoint, the correct and standard method is through the **Insert → Chart** option. This allows users to create visual representations of data directly within the slide. Charts make information easier to understand, and knowing how to add them enhances your presentation skills.

HTML stands for Hyper Text Markup Language. It is the standard language used to create and design webpages. The term "Hyper Text" refers to the links that connect different web pages, and "Markup Language" means it uses tags to define elements within a page. Understanding this basic concept helps in recognizing how websites are structured and displayed in a browser.

An email address is divided into two main parts: the username and the domain name. The username appears before the "@" symbol, while the domain name comes after it (like `user@example.com`). The domain name identifies the email service provider or the server that manages your email. Knowing this helps users understand how emails are routed and delivered correctly.

The word "stubborn" describes someone who refuses to change their mind or behavior. Its antonym is "docile," which refers to someone who is easy to teach, lead, or manage. Understanding antonyms helps improve vocabulary and comprehension skills, especially in reading passages and context-based questions in exams.

The storming of the U.S. Capitol took place on January 6, 2021, when a crowd breached security and forcibly entered the Capitol building while Congress was certifying the 2020 election results :contentReference[oaicite:5]{index=5}. Recognizing the exact date helps in understanding the event’s historical impact and placing it correctly in current events.

If 220% of X equals 44, we can find X by dividing 44 by 2.2, which gives X = 20. Then, 44% of 20 is 8.8. This type of percentage-based question often appears in exams to test your ability to reverse-calculate values and apply basic percentage formulas.

In MS Excel, every formula must begin with an equal sign (=). This tells Excel that the following input is a formula and not plain text. For example, typing `=A1+B1` adds the values of cells A1 and B1. Understanding this rule is essential for performing calculations and data analysis in Excel.

In many software applications like Microsoft Word and Excel, pressing CTRL + F2 opens the print preview window. This allows users to see how their document will look when printed. Knowing shortcut keys like this can save time and improve productivity while working on documents.

A person who consumes alcohol regularly is commonly referred to as a "drunkard." On the other hand, a "teetotaler" is someone who completely avoids alcohol. Understanding these terms helps improve vocabulary related to habits and lifestyle choices.

A child born after the father has passed away is known as a "posthumous" child. This term specifically refers to the timing of birth relative to the father's death. Understanding such terms is important in legal, social, and historical contexts.

The word "gather" means to bring together or assemble. "Convene" is a formal synonym that also means to come together for a meeting or purpose. Knowing synonyms helps expand vocabulary and improve understanding of similar words used in different contexts.

The phrase "hole and corner" describes actions done secretly or in a hidden manner. It implies a method of dealing with others without being open or transparent. Understanding this idiom helps in identifying the meaning of secretive behavior in various contexts, which is useful for language learners and exam ta

ICT stands for Islamabad Capital Territory, which is the federal territory of Pakistan that includes the capital city, Islamabad. It's an important administrative region and is directly governed by the federal government. Knowing full forms like ICT is helpful for general knowledge and competitive exams.

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The keyboard shortcut CTRL+Z is used to perform the Undo action in most computer programs. This command helps reverse the last change made, such as deleting text or moving a file. It's a basic but essential shortcut for anyone working on a computer, especially in writing, editing, or design tasks.

The word "pacify" means to calm someone down or bring peace. Its opposite, or antonym, is "provoke," which means to make someone angry or upset. Learning antonyms helps improve vocabulary and is useful for exams that test language skills like GRE, SAT, or competitive English tests.

"Frank" means being open, honest, and direct in speech or behavior. A close synonym is "candid," which also describes someone who speaks truthfully without hiding anything. Understanding synonyms like these is helpful for building a strong vocabulary and doing well in English language exams.

HTML stands for HyperText Markup Language, and it is the standard language used to create and design webpages. It tells the web browser how to display content like text, images, and links. Knowing that HTML is a language is essential for anyone learning web development or preparing for computer science exams.

The F1 key is commonly used to open the Help menu or support documentation in most software applications. Pressing F1 provides users with guidance or instructions related to the program they are using. Remembering this shortcut is useful for quickly accessing help during computer tasks.

PNG, JPEG, and GIF are common file formats used for images. Each format has different features, like compression styles and support for animations (GIF). Knowing these image formats is important for working with digital graphics, web design, and multimedia tasks.