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Last 7 Days

Positional and Non-Positional Number Systems,

  In computer science and mathematics, number systems are fundamental for representing numerical values. They are broadly categorized into Positional and Non-Positional Number Systems , each with unique characteristics and applications. 1. Positional Number System In this system, the position of each digit relative to others determines its value. The value of a number is computed based on a base or radix, and each position represents a power of the base. Key Characteristics: Base/ Radix : The number of distinct digits used, including 0. For example: Binary (Base 2): Uses digits 0 and 1. Decimal (Base 10): Uses digits 0 through 9. Hexadecimal (Base 16): Uses digits 0-9 and letters A-F. Positional Weight : Each digit’s value is multiplied by the base raised to the power of its position. For instance, in decimal 432=4×102+3×101+2×100432 = 4 \times 10^2 + 3 \times 10^1 + 2 \times 10^0432=4×102+3×101+2×100. Examples in Computin...
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STEM - Coding - Computing

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STEM stands for Science, Technology, Engineering, and Mathematics. In simple terms: Science : Exploring the world around us, like studying plants, animals, and space. Technology : Using tools and gadgets, like computers and tablets. Engineering : Building and designing things, like bridges and robots. Mathematics : Working with numbers and shapes to solve problems. Coding is like giving instructions to a computer to make it do things, like playing a game or creating an app. Computing means using computers to solve problems and complete tasks, like typing a document or searching the internet. Together, STEM-coding-computing for kids means learning how to explore, build, and solve problems using science, technology, and computers in a fun and creative way. MCQs Sure! Here are 50 multiple-choice questions (MCQs) for kids based on the STEM-coding-computing concepts: 1. **What does the "S" in STEM stand for?**    - A) Space    - B) Science    - C)...
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All About Computer Monitor

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A computer monitor is an output device that displays visual information to the user. It is essential for interacting with the computer, enabling users to view the graphical user interface (GUI), applications, videos, and more. Here's a detailed look at various aspects of computer monitors: Types of Monitors 1. CRT (Cathode Ray Tube) Monitors: Components: Uses electron beams to illuminate phosphor dots on the screen. Function: Electron guns shoot beams at the screen to create images. Advantages: Accurate color reproduction and multiple resolutions. Disadvantages: Bulky, heavy, and high power consumption. 2. LCD (Liquid Crystal Display) Monitors: Components: Uses liquid crystals sandwiched between two glass plates, backlit by a fluorescent or LED light source. Function: Liquid crystals modulate light to produce images. Advantages: Lightweight, energy-efficient, and slim design. Disadvantages: Limited viewing angles and color reproduction in some models. 3. LED (Light Emit...
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