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In CSS, pseudo-classes are used to define a state of an element based on its position, relationship with other elements, or user interaction.  They are denoted by a colon (:) followed by the pseudo-class name. Examples of pseudo-classes: 1. :hover - applied when an element is hovered over by a user 2. :active - applied when an element is being clicked or activated 3. :focus - applied when an element receives focus (e.g., when a user clicks on a form input) 4. :visited - applied to links that have been visited by the user 5. :first-child - applied to the first child element of a parent element 6. :last-child - applied to the last child element of a parent element 7. :nth-child(n) - applied to the nth child element of a parent element 8. :disabled - applied to elements that are disabled 9. :enabled - applied to elements that are enabled 10. :checked - applied to checkboxes and radio buttons that are checked Pseudo-classes allow you to apply styles to elements based on their state or posi

Packet switching is a method of transmitting data over a network by breaking it into small packets, routing each packet independently through the network, and reassembling the packets at the destination. How it works: 1. Data is divided into small packets, typically with a maximum size (e.g., 1500 bytes). 2. Each packet is given a header containing source and destination addresses, packet sequence number, and other control information. 3. Packets are transmitted over the network, potentially taking different routes. 4. Routers examine packet headers and forward them to the next hop on the path to the destination. 5. Packets may pass through multiple routers before reaching their destination. 6. The receiving device reassembles the packets in the correct order using the sequence numbers. 7. The original data is reconstructed from the packets. Packet switching allows for: - Efficient use of network resources - Flexibility and scalability - Error detection and correction - Multiplexing (m

Computer networks Computer networks refer to the interconnection of multiple computing devices for the purpose of sharing resources and information.  These networks enable communication between devices such as computers, servers, printers, routers, and other hardware components.  Classification of Computer networks Computer networks can be classified based on various criteria such as; 1. Based on Size 2. Based on Geographical Scope 3. Based on Topology 4. Based on Technologies 5. Based on Function 6. Based on Administration L et's delve a bit deeper into each classification: 1. Based on Size: - LAN (Local Area Network):   LANs typically cover a small geographic area, such as a single building, office, or campus.  They are characterized by high data transfer rates and low latency.  LANs are commonly used in homes, schools, and businesses for connecting devices like computers, printers, and servers. - MAN (Metropolitan Area Network):   MANs cover a larger geographical area than LANs,

In HTML, quotation marks can be used to wrap an element, providing visual emphasis and indicating that the enclosed content represents a quotation.  This styling technique enhances the presentation of quoted text on web pages. Setting default quotation marks: To set quotation marks to wrap an element in HTML, you can use the `quotes` CSS property along with the `content` property to specify the quotation marks to be used (the below example uses the default quotes value, so it is not mentioned as can be seen). Here's how it can be achieved: /* Define the quotation marks */ .q:before { content: open-quote; } .q:after { content: close-quote; } In this CSS: - `open-quote` represents the opening quotation mark. - `close-quote` represents the closing quotation mark. Now, you can apply the `.q` class to elements where you want to set quotation marks: <p class="q">This is a quoted text.</p> This will render as: “ This is a quoted

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

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