Sub Inspector (Open Merit) -2019 Punjab Police Department

The standard toolbar in software programs like MS Word or Excel includes buttons to make actions like copying and pasting more convenient. These buttons help users quickly duplicate and move content without using menus or keyboard shortcuts. Understanding toolbar functions is essential for efficient computer use and practical exam prep.

Dar-es-Salaam is the largest city and former capital of Tanzania. It serves as the country’s economic hub and a major port on the Indian Ocean. Students preparing for geography or current affairs sections should remember its role in trade and urban development in East Africa.

NOS stands for Network Operating System, which is designed to manage and coordinate network resources like file sharing, printing, and security. It is important for students to recognize basic acronyms in computing for competitive exams and practical knowledge.

New Zealand was the first country to grant women the right to vote in 1893. Understanding milestones in global suffrage movements is crucial for history and general knowledge sections in exams. This question also highlights progressive governance.

To find the cost per can, divide $5.40 by 12, resulting in $0.45. This type of unit price calculation is common in both everyday shopping and arithmetic word problems, so students should practice similar questions to improve accuracy.

A disk scanner is used to check a disk for errors and sometimes includes defragmentation, which rearranges file fragments for better performance. It’s essential to know these utilities for system maintenance-related questions.

Data communication refers to transferring data between devices, such as computers or servers, via a transmission medium. Knowing this term helps in understanding networks and internet systems, which are vital in modern computing.

Pakistan is part of South Asia, bordered by India, Afghanistan, Iran, and China. This regional location affects its climate, culture, trade, and politics. Students should memorize country locations and regional classifications for geography exams.

The sequence adds increasing powers: 4+2=6, 6+4=10, 10+8=18, 18+16=34, 34+32=66. Each number adds double the previous increment. Recognizing such number patterns is key for aptitude and reasoning questions.

Alt + Tab allows users to switch between open applications in Windows. Knowing essential keyboard shortcuts helps save time and is often asked in basic computer literacy or job aptitude tests.

A computer virus is a malicious software program that can **harm** your data and disrupt the functioning of your system. It spreads by copying itself into other programs or files. Preventing virus attacks is crucial for system security, and antivirus software helps detect and eliminate such threats.

Charles Babbage is widely regarded as the **Father of Computers** because of his conceptual design of the Analytical Engine, which was a precursor to modern-day computers. His work laid the foundation for computer science and mechanical computing devices.

Before Tokyo became the capital, **Kyoto** served as Japan’s imperial capital for over a thousand years. It remains a significant cultural and historical center with many temples, shrines, and traditional architecture.

The **SUM** function in Excel is used to quickly add up values in a row or column. It's one of the most commonly used functions for mathematical calculations and is essential for handling financial and data analysis tasks.

**Bathsheba Beach** is located on the east coast of Barbados and is renowned for its rugged beauty and surf-friendly waves. It’s a popular destination for tourists and photographers, especially known for the dramatic rock formations and Atlantic breeze.

In indirect speech, the present simple “speaks” becomes **“spoke”** in reported form. The correct transformation is: “He wanted to know who spoke French.” Indirect speech is essential for reporting statements or questions in formal writing.

The shortcut **Alt + F4** is commonly used in Windows to close the current active window. It is a quick and efficient way to exit applications or documents without using a mouse.

**Desktop publishing** software like Adobe InDesign or Microsoft Publisher is ideal for creating invitation cards, brochures, and flyers. It allows precise control over layout and design elements, making it suitable for professional-quality prints.

To calculate the percentage of green balls from the ratio 2:3:5, first add the parts: 2+3+5 = 10. Green balls are 3 parts, so (3/10) × 100 = **30%**. Ratios help simplify problems involving proportions and comparisons.

The pattern multiplies each number by 3: 2×3=6, 6×3=18, 18×3=54, and 54×3 = **162**. Recognizing multiplication patterns in number sequences is essential for solving many logical reasoning questions in aptitude tests.

The Khudai Khidmatgar Movement was **launched** by Abdul Ghaffar Khan to oppose British colonial rule through non-violent resistance in the North-West Frontier Province. Also known as the "Red Shirt Movement," it focused on social reform and unity among Muslims and Hindus. For exams, remember it was a peaceful but politically active group linked to the Indian National Congress.

If the length and breadth are in the proportion 5:3 and the breadth is 42 m, we can set up a ratio equation: 5x/3x = length/breadth. Solving 3x = 42 gives x = 14, so length = 5x = 70 m. This type of ratio problem is common in aptitude tests, so always simplify ratios and match them to known values.

If A's income is 25% lower than B’s, then A earns 75% of B. Let B = 100, so A = 75. Now B is 25 more than A, and the percentage difference compared to A is (25/75)×100 = 33.33%. Such reverse percentage questions frequently appear in competitive exams.

Apple developed the Macintosh series, which debuted in 1984 as the first widely sold personal computer with a graphical user interface. The Mac revolutionized user interaction and remains key in design, multimedia, and educational environments. Know Apple’s role in innovation for computer science exams.

To compare fractions, convert them to decimals: 11/12 ≈ 0.916, 5/7 ≈ 0.714, 9/10 = 0.9, and 3/5 = 0.6. The smallest value is 0.6, so 3/5 is the correct answer. This type of comparison question is often used to test mental math skills.

Sadiq Khan is the current Mayor of London, serving since 2016. He is known for his policies on affordable housing, public transport, and environmental reform. This type of current affairs question checks your awareness of prominent international political figures.

Let A’s 1-day work = x. Then B’s = 2x. Combined, they do x + 2x = 3x in a day. So 3x × 18 = 1 → x = 1/54. So B (2x) does 2/54 = 1/27 of the work daily, meaning B alone will take 27 days. But the correct calculation for x = 1/54 gives B = 2/54 = 1/27. Correction: B alone takes **27 days** — revise the options.

One-third of 24 is calculated by dividing 24 by 3, which equals 8. Basic fraction operations like this are foundational in arithmetic and are frequently asked in entry-level competitive exams.

Let the original price be x. Then x + 0.07x = 22.90 → 1.07x = 22.90 → x = 22.90 / 1.07 = $21.40. Reverse percentage problems are a regular feature in quantitative aptitude tests.

A threat leads to insecurity, just as a challenge can lead to a fight. This is an analogy question testing verbal reasoning. Understanding cause-effect and stimulus-response relationships is key to solving such MCQs efficiently.

Leukemia is a type of blood cancer that primarily affects the bone marrow and blood. It interferes with the body’s ability to produce healthy blood cells, especially white blood cells that fight infection. Knowing which body part it affects is useful for general science and medical-related exam questions.

In Microsoft PowerPoint, pressing Ctrl + M quickly adds a new slide to your presentation. This shortcut is frequently used during slide creation and editing, making it essential for efficient workflow in presentations.

In software terminology, a “bug” refers to an error or flaw in a program that causes it to behave unexpectedly. Recognizing this term is important for understanding programming, software testing, and debugging concepts in computer science.

Originally, there is 0.8 kg of sugar in 8 kg of solution. Adding 2 kg of water increases the total mass to 10 kg, but sugar remains 0.8 kg. So the new percentage of sugar is (0.8/10)*100 = 8%. Understanding percentages is key in many mathematical reasoning problems.

Imran Khan became the 23rd Prime Minister of Pakistan in 2018. His election marked a significant political change in the country, and this fact is frequently tested in general knowledge and current affairs sections.

Astola Island, also known as Jezira Haft Talar, is situated in the Arabian Sea near the coast of Balochistan, Pakistan. It's Pakistan's largest offshore island and known for its ecological significance, making it important for both geography and environmental studies.

Cubing a number means multiplying it by itself three times. So if x = 3, then x³ = 3 × 3 × 3 = 27. Powers and exponents are common in algebraic expressions and exam problems.

CRT stands for Cathode Ray Tube, an older technology used in bulky computer monitors and televisions. It has now mostly been replaced by LED and LCD screens, but understanding it is useful for basic computer hardware knowledge.

To edit a cell in MS Excel, users typically double-click the cell or use the formula bar. The Alt key does not allow direct editing, which makes this a useful shortcut-related question for spreadsheet applications.

Leukemia is a cancer that impacts the blood and bone marrow. It disrupts the production of healthy white blood cells, which are crucial for fighting infections. Knowing about such diseases helps in understanding medical science basics.

"Anguish" means extreme emotional or physical pain, and its closest synonym here is "Agony." This vocabulary MCQ is important for English language exams and helps test emotional tone recognition in word meanings. Knowing synonyms enhances both comprehension and expression in formal writing.

A terabyte (TB) equals approximately 1 trillion bytes or 1,000 gigabytes. It is a standard unit for measuring digital data. In computer science, understanding storage capacities is essential for analyzing memory needs, backups, and file sizes efficiently.

GUI stands for Graphical User Interface, which allows users to interact with electronic devices through graphical icons. It's a core concept in computer science and is key to user experience in modern software environments like Windows and macOS.

A modem converts digital signals into analog and vice versa for data transmission over phone lines. It is essential in older and some rural internet connections. Understanding such hardware is crucial in computer networking basics.

The square root of 1.44 is 1.2. This type of question tests your grasp of basic square root calculations, often seen in mathematical aptitude tests. Knowing square roots helps with algebra and geometry problem-solving.

The final of the 2016 Asian Men's Hockey Champions Trophy was held in Kuantan, Malaysia. Pakistan lost to India in this event. Awareness of sports events is crucial for general knowledge and current affairs sections in competitive exams.

The Civil Disobedience Movement was launched by Mahatma Gandhi in 1930 against British rule in India. This topic frequently appears in South Asian history exams due to its significant role in the independence struggle.

RAM stands for Random Access Memory. It is the short-term memory of a computer, used for storing data temporarily while programs are running. RAM is a fundamental concept in understanding how computers function and perform tasks efficiently.

The Print Screen key captures the entire screen and copies it to the Clipboard. This is useful for documentation, tutorials, or troubleshooting purposes. Such keyboard shortcut knowledge is part of basic computer literacy exams.

Chaudhry Rehmat Ali, credited with the idea and name of "Pakistan," is buried in Cambridge, UK. This is a significant historical fact, commonly asked in Pakistan Studies exams focusing on the Pakistan Movement and key figures involved.

This is a basic percentage calculation question commonly asked in math and reasoning sections. A 30% reduction of 340 mg means subtracting 30% of 340 (which is 102) from 340, giving the new dosage as 238 mg. Such problems are important in medical dosage calculations and everyday quantitative reasoning questions.

To find speed, divide total pages by total time. Here, 24 ÷ 15 = 1.6 pages per minute. Questions like this are frequent in time-speed calculations and test your ability to deal with unit rates, which is a common topic in quantitative reasoning sections.

AltaVista was launched in 1995, making it one of the earliest search engines. It predates Google and MSN. This type of question falls under the history of computer technology and is often part of computer science general knowledge sections in competitive exams.

A spreadsheet like Microsoft Excel is designed to handle data in a tabular format of rows and columns. It is widely used in data analysis, accounting, and various other professional tasks. Recognizing software applications is a basic computer literacy skill.

Encryption is a key concept in cybersecurity. It ensures that only authorized users can access the data. Understanding encryption is vital for computer users, especially in today's digital age where data protection is essential.

Push-ups are commonly used to test and improve upper body strength, particularly the chest, shoulders, and arms. They are a standard in fitness tests. Knowing the purpose of different exercises can help in both physical education and general health awareness.

LTE is a 4G wireless communication standard that provides high-speed data for mobile phones and other devices. This acronym is regularly tested in technology awareness questions, especially in competitive exams related to IT or general knowledge.

In a 3:1 ratio, if the smaller part (breadth) is 7 cm, then the length is 3 times that, i.e., 21 cm. Ratio questions test proportional reasoning, which is a common concept in many quantitative aptitude tests.

Hybrid computers combine features of both analog and digital systems, making them useful for specific scientific and industrial tasks. These are less common today but still important in understanding types of computers in computer science curricula.

Presentation view is not an official PowerPoint display mode; instead, you have views like Normal View, Slide Sorter, and Outline View. Recognizing correct terminology related to software is essential in exams with computer literacy content.

In Microsoft Word, the maximum font size that can be applied through the font size dropdown is 72, but you can manually enter sizes up to 1638. This is especially useful for creating banners, posters, or other large-format text designs. For anything above that, Word will not accept the input.

Hazrat Zainab bint Khuzaiymah (R.A) was known for her immense compassion toward the poor, earning her the title "Umm-ul-Masakeen." She was one of the noble wives of the Prophet Muhammad (PBUH) and was known for her charity even before her marriage.

The Kabul River flows from Afghanistan into Pakistan and merges with the River Indus near the city of Attock in Punjab province. This is a key geographical point and holds strategic significance.

Multiplying 6.334 by 10 to the power of 4 (i.e., 10,000) gives 63340. This question is a standard example of scientific notation used in mathematical calculations.

LED stands for Light Emitting Diode. It is a semiconductor device that emits light when an electric current passes through it. LEDs are energy-efficient and widely used in electronics.

To find the average, sum all the miles (116 + 130 + 114 = 360) and divide by 3, resulting in 120 miles. However, there seems to be a calculation error; the correct sum is 360, and average is 120, not 117. Please confirm this for correction.

Thomas Jefferson served as the 3rd President of the United States from 1801 to 1809. He was also the principal author of the Declaration of Independence.

"Mein Kampf" is Adolf Hitler’s autobiography and political manifesto, written during his imprisonment in 1923. It outlines his ideology and future plans for Germany.

The pattern alternates between a basic number series and cube values. 1 (1³), 0, 1 (1³), 1, 4 (2²), 8 (2³), 27 (3³), 9 (3²), 64 (4³). Thus, the next term is 4³ = 64.

To calculate the total cream needed, multiply 2.5 pints by 3, which equals 7.5 pints. This type of question helps assess your skill in unit multiplication and basic arithmetic.

The Babri Mosque, demolished in 1992, was located in Ayodhya, Uttar Pradesh. Its demolition led to nationwide communal tensions and had a deep impact on Indian politics and Hindu-Muslim relations. Understanding the location and historical background of such significant events is crucial for preparing for general knowledge and history-based questions in exams.

To find the average (mean), add all numbers and divide by how many there are: (8+13+25+43+11)=100; 100 ÷ 5 = 20. So the correct answer is 20. This type of math question is common in competitive exams and tests your basic arithmetic skills.

One hour has 60 minutes. If Ali types 25 words per minute, then in 60 minutes: 25 × 60 = 1500 words. These kinds of questions are essential for time-speed-based aptitude tests, often appearing in job or entrance exam papers.

Linux is an open-source operating system used widely in servers, desktops, and embedded systems. It is known for its security, flexibility, and community-driven development. Recognizing different types of software systems is essential in computer science MCQs for exams.

‘Monitor’ commonly means to observe or keep track of something closely. In both technical and general usage, such as "monitoring performance" or "monitoring health," it implies careful observation. Vocabulary MCQs like this help improve English comprehension and are often included in language tests.