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Computer Science Exam MCQs - Part 5

Multiple-choice questions (MCQs) on the introduction to computing 41. What is the primary function of a CPU (Central Processing Unit)?    a) Store data    b) Execute instructions    c) Display graphics    d) Connect to the internet 42. Which of the following is considered a high-level programming language?    a) Assembly language    b) C    c) Machine language    d) Binary code 43. What does RAM stand for in computing?    a) Readable Access Memory    b) Random Access Memory    c) Rapid Access Memory    d) Retained Access Memory 44. Which of the following is an example of a secondary storage device?    a) RAM    b) Hard disk drive    c) CPU    d) Cache memory 45. What does HTML stand for in web development?    a) Hyper Text Markup Language    b) High Tech Markup Language    c) Hypertext Transfer Language    d) Hyperlink Text Markup Logic 46. Which of the following is NOT a type of computer network?    a) LAN (Local Area Network)    b) WAN (Wide Area Network)    c) CPU (Central Processin

Are web development bootcamps worth it?

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This short piece aims at answering the question " are web development bootcamps worth it? ". Read this before you decide. Web development bootcamps have surged in popularity as a fast-track route into the tech industry. Are they worth it? The answer isn't a simple yes or no; it depends on various factors. 1. Cost vs. Benefit: Bootcamps can be costly, but they offer intensive, focused learning. If you're committed to transitioning into a tech career quickly, the investment might be worthwhile. 2. Time Commitment: Most bootcamps last several weeks to a few months, requiring full-time dedication. If you can afford to dedicate yourself entirely to learning during this time, bootcamps can be effective. 3. Curriculum Quality: Research the curriculum thoroughly. Some bootcamps offer up-to-date, industry-relevant content, while others may fall short. Look for those with strong track records, alumni success stories, and partnerships with reputable tech companies. 4. Learn

The `position` property in CSS

The `position` property in CSS is used to specify the positioning type of an element. There are four main positioning types: 1.  `position: static;` This is the default value.  Elements with `position: static;` are positioned according to the normal flow of the document.  The `top`, `right`, `bottom`, `left`, and `z-index` properties have no effect on statically positioned elements. 2. `position: relative;` Elements with `position: relative;` are positioned relative to their normal position in the document flow.  When you use `position: relative;`, you can move the element from its normal position using the offset properties (`top`, `right`, `bottom`, `left`).  However, it will still occupy space in the document flow, and nearby elements will behave as if the element has not been moved. 3. ' position: absolute;  ' Elements with `position: absolute;` are positioned relative to their nearest positioned ancestor (an ancestor element with a position other than `static`).  If there

What is XML? - A short Intro

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XML, or Extensible Markup Language, is a flexible markup language that is designed to store and transport data.  It provides a way to describe structured data in a human-readable format that is both machine-readable and platform-independent.  XML documents consist of text-based data organized into elements and attributes, similar to HTML. Key features of XML 1. Extensible:  XML is designed to be easily extendable.  Users can define their own custom elements, attributes, and document structures, making it adaptable to various data representation needs. 2. Hierarchical Structure:  XML documents are structured hierarchically with elements nested within one another.  The hierarchical structure makes it suitable for representing complex data relationships. 3. Self-Descriptive:  XML documents are self-descriptive, meaning they contain metadata that describes the structure and content of the data they contain.  This makes it easier for applications to interpret and process XML data. 4. Platfo

The `white-space` property in CSS

The `white-space` CSS property is used to control how white space inside an element is handled. It determines whether spaces, tabs, line breaks, and other whitespace characters are preserved or collapsed in the rendered output. The `white-space` property accepts the following values: 1. `normal`: This is the default value. Sequences of whitespace characters are collapsed into a single space. Line breaks are treated as spaces or collapsed.     2. `nowrap`: Sequences of whitespace are collapsed into a single space. Text will never wrap to the next line. Line breaks are ignored. 3. `pre`: Whitespace is preserved exactly as written in the HTML source code. Text will only wrap on line breaks and `<br>` elements. 4. `pre-wrap`: Whitespace is preserved, and text will wrap to the next line if it exceeds the width of the container. 5. `pre-line`: Sequences of whitespace are collapsed into a single space. Text will wrap to the next line if it exceeds the width of the container. Here's

The "counter-increment" property in CSS

The counter-increment CSS property is used to increment one or more CSS counters.  CSS counters are variables maintained by CSS whose values can be incremented or decremented. We can use incremented counters to generate content using the content property or display their values using the counter() or counters() function.  This property is especially useful for automatically numbering items in lists or sections of content. Example to demonstrate the use of "counter-increment" CSS property <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Counter Increment Example</title> <style> /* Define a counter named 'list-counter' */ body { counter-reset: list-counter; } /* Increment the 'list-counter' for each <li> element */ li { counter-increment: list-counter; } /* Style

The "content" property in CSS

Where in CSS, the "content" property is used? The `content` property in CSS is used to insert content before or after an element's content, typically using the `::before` and `::after` pseudo-elements.  This property is often used for adding decorative elements or textual annotations to HTML elements. Syntax of the `content` property: /* Insert content before an element's content */ ::before { content: "content here"; } /* Insert content after an element's content */ ::after { content: "content here"; } The type of content that can be inserted You can insert text, images, icons, or other HTML elements using the `content` property. Inserting text Here's an example of how you can use `content` to insert text before and after an element: /* Insert text before and after an element */ p::before { content: "Start: "; } p::after { content: " :End"; } In this example, the text "Start: " will be inse