2Q_Sebastian_Computer

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Questions and Answers

What trend involves the increased digital availability of various media formats?

  • Growth of Social Networks
  • Media Digitalization (correct)
  • Proliferation of Computing Devices
  • Cloud Storage Expansion

In web browsers, what is the function of the 'Refresh' button?

  • Allows access to saved bookmarks.
  • Takes you to the next page.
  • Displays a history of visited pages.
  • Reloads the current page. (correct)

Which technology allows home appliances to connect to the internet?

  • Wi-Fi Direct
  • RFID and Bluetooth (correct)
  • Ethernet Networking
  • Bluetooth Low Energy

What does the Address Bar in a web browser do?

<p>Input and show the address of a website. (B)</p> Signup and view all the answers

Which of the following is a common cause of network connectivity issues?

<p>Faulty hardware (A)</p> Signup and view all the answers

What does the 'Tab' function in a web browser allow you to do?

<p>Open multiple documents in a single window. (B)</p> Signup and view all the answers

Which trend predicts virtual classes will reduce traffic in major cities?

<p>Remote Learning Growth (B)</p> Signup and view all the answers

What should a domain name ideally convey about a website?

<p>It should provide a clue about the website's content. (D)</p> Signup and view all the answers

Which element is NOT typically found in the header of a website?

<p>Footer links (C)</p> Signup and view all the answers

Why is it important to keep a website's domain name short and simple?

<p>It enhances memorability for visitors. (A)</p> Signup and view all the answers

What is a potential downside of using too many graphics on a website?

<p>It can confuse visitors and slow down loading speed. (A)</p> Signup and view all the answers

What is a key aspect to consider when choosing a logo for a professional website?

<p>It should be easily recognizable and promote recall. (A)</p> Signup and view all the answers

What is the primary purpose of a scripting language in web design?

<p>To control various elements of a web page (D)</p> Signup and view all the answers

Which of the following is not a common attribute used in HTML?

<p>responsive (C)</p> Signup and view all the answers

What does the 'href' attribute specify in an HTML element?

<p>The URL of the linked resource (C)</p> Signup and view all the answers

Which scripting language is considered the most common and foundational?

<p>HTML (D)</p> Signup and view all the answers

What is an HTML tag?

<p>Content enclosed between specific symbols (C)</p> Signup and view all the answers

In which scenario would you use an HTML editor over hand coding?

<p>For automatic tag writing and editing (C)</p> Signup and view all the answers

Which HTML attribute would you use to add a tooltip to an element?

<p>title (C)</p> Signup and view all the answers

What is a common use for the 'alt' attribute in HTML?

<p>To describe an image when it cannot be displayed (C)</p> Signup and view all the answers

What is a defining characteristic of HTML as a markup language?

<p>It uses tags to structure web content (B)</p> Signup and view all the answers

What is meant by 'attributes' in the context of HTML?

<p>Extra information or properties for elements (A)</p> Signup and view all the answers

What is the primary cause of configuration problems in computers?

<p>Incorrect or incompatible software settings (A)</p> Signup and view all the answers

Which step is NOT typically recommended to troubleshoot configuration problems?

<p>Delete all files (A)</p> Signup and view all the answers

Which of the following can help improve browser performance?

<p>Clearing cache and cookies (B)</p> Signup and view all the answers

What is a common vulnerability in web browsers?

<p>Infection by viruses (B)</p> Signup and view all the answers

Why are cookies important for website functionality?

<p>They store authentication data like login information (D)</p> Signup and view all the answers

What is the first step in troubleshooting virus-related issues in web browsers?

<p>Install antivirus software and keep it updated (B)</p> Signup and view all the answers

What is defined as a collection of files accessed through a web address?

<p>Website (D)</p> Signup and view all the answers

What can be a consequence of not updating software and drivers?

<p>Recurring system errors (B)</p> Signup and view all the answers

What should you do if a website requires cookies but your browser is not set to accept them?

<p>Enable cookies in browser settings (A)</p> Signup and view all the answers

Which troubleshooting step can help identify the source of a problem?

<p>Identifying the problem (C)</p> Signup and view all the answers

What is the primary purpose of a Local Area Network (LAN)?

<p>To interconnect computers in one specific location (C)</p> Signup and view all the answers

Which technology allows mobile users to access the Internet using their cellular phones?

<p>General Packet Radio Service (GPRS) (D)</p> Signup and view all the answers

What does the term 'broadband' refer to?

<p>The high-speed transmission of data (A)</p> Signup and view all the answers

Which of the following best describes multimedia streaming?

<p>The transmission of video and audio in real-time (B)</p> Signup and view all the answers

Which protocol is primarily used for telephone calls over the Internet?

<p>Voice over Internet Protocol (VoIP) (A)</p> Signup and view all the answers

What was a significant advancement in the Internet's core protocols in 1983?

<p>Adoption of TCP/IP as the core Internet Protocol (A)</p> Signup and view all the answers

What technological development allows for data processing across multiple computers simultaneously?

<p>Cluster/Grid Computing (A)</p> Signup and view all the answers

What type of internet connection is characterized by communication over large distances connecting multiple LANs?

<p>Wide Area Network (WAN) (C)</p> Signup and view all the answers

Which year saw the creation of the first email program?

<p>1972 (A)</p> Signup and view all the answers

What represents a major change in internet traffic capabilities in 1992?

<p>Upgrade of NSFNET backbone to T3 (C)</p> Signup and view all the answers

Flashcards

Web Browser Function: Back

Navigates to the previously visited web page.

Web Browser Function: Forward

Navigates to the next web page visited.

Web Browser Function: Refresh

Reloads the current web page.

Web Browser Function: Tabs

Multiple web pages can be opened in one browser window.

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Web Page Access Method

Browser requests web server, server sends HTML, browser displays.

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Network Connectivity Problem: Incorrect Settings

Network problems due to wrong network parameters.

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Network Connectivity Problem: Faulty Hardware

Network issues due to physical equipment failure.

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Internet Resource: Email

A method to send and receive electronic messages.

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Configuration Problems

Issues arising from incorrect or incompatible system or software settings, leading to errors, crashes, or poor performance.

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Troubleshooting Configuration Problems

Identifying and resolving issues caused by incorrect system or software settings.

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Virus-infected Files

Files that contain malicious code that can damage your computer system and potentially steal your personal information.

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Antivirus Software

Software designed to detect and remove viruses and other malicious programs from your computer.

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Cookies

Small files used by websites to store information about users, typically for personalization and authentication purposes.

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Website

A collection of files accessed through a web address, covering a particular theme or subject, managed by a person or organization.

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Home Page

The main or starting page of a website, typically accessed by visiting the website's address.

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Clearing Cookies and Browsing Data

Removing stored cookies and browsing history from your web browser to enhance privacy and potentially improve performance.

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Enabling Cookies

Allowing websites to store cookies on your computer, typically required for logins and personalization.

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Google Chrome Settings

The menu in Google Chrome browser that allows you to customize settings for privacy, appearance, and other features.

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Scripting Language

A programming language that tells computers how to display web pages, often within web browsers.

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HTML

The fundamental language for building web pages, using tags to structure content like headings, paragraphs, and links.

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HTML Tags

Elements within an HTML document that define the structure and meaning of content, enclosed in angle brackets (< and >).

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HTML Attributes

Additional properties added to HTML elements, providing extra details or functionality, enclosed in opening tags.

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id Attribute

A unique identifier assigned to an HTML element for easy reference and styling.

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class Attribute

Assigns one or more classes to an HTML element, allowing grouping and styling of elements.

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src Attribute

Specifies the URL or path to an image or script file, often used in and elements.

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href Attribute

Specifies the URL or location of the linked resource, mainly used in (anchor) elements.

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alt Attribute

Describes the content of an image, used if the image cannot be displayed.

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HTML by Hand

Creating HTML code manually, often using plain text editors like Notepad.

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ARPANET

The precursor to the modern internet, developed by the US Department of Defense in 1969.

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Packet Switching

A technology that breaks data into small packets and routes them independently, improving network efficiency and reliability.

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TCP/IP

The core communication protocol of the Internet, allowing different networks to connect and share data.

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Local Area Network (LAN)

A network connecting computers within a limited geographical area, like an office building or home.

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Wide Area Network (WAN)

A network connecting computers across a wide geographical area, covering cities, countries, or even the globe.

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Wireless Fidelity (Wi-Fi)

A technology enabling wireless internet access using radio waves, allowing devices to connect without cables.

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General Packet Radio Service (GPRS)

A technology enabling mobile users to access the internet using cellular networks, providing data connectivity on their phones.

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Voice over Internet Protocol (VoIP)

A technology allowing phone calls to be made over the internet, using internet protocol (IP) instead of traditional phone lines.

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Multimedia Streaming

A method to play audio and video content over the internet, transmitting data in a continuous stream.

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Cluster/Grid Computing

A technique to distribute intensive computations across numerous connected computers, improving processing power and speed.

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Domain Name

The unique address of a website on the internet, typically ending with '.com', '.net', or other extensions.

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Catchy Domain Name

A memorable and relevant domain name that reflects the website's content or purpose.

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Website's Look

The visual appearance and design of a website, including its layout, colors, fonts, and images.

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Website Header

The top section of a web page, typically containing the website's logo, name, and navigation links.

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Website Footer

The bottom section of a webpage, often containing copyright information, links to important pages, and contact details.

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Study Notes

Internet History

  • 1957: USSR launched the first satellite. USA started ARPANET
  • 1962: Packet Switching was developed
  • 1972: First email program created by Ray Tomlinson
  • 1973: 23 computers connected, TCP/IP
  • 1976: More than 111 computers connected, Ethernet technology developed
  • 1983: 562 computers connected, TCP/IP became the Internet Protocol
  • 1985: 1,961 computers connected, NSF began deploying its T1 line
  • 1988: 56,000 computers connected, NSFNET backbone completed. Internet traffic increased.
  • 1992: 1,136,000 computers connected. NSFNET upgraded to T3 (44.736 Mbps)
  • 1994: 3,864,000 computers connected, Pizza Hut offered online pizza ordering
  • 1996: Over 15,000,000 computers rapidly growing, Internet Service Providers (ISPs) become major Internet carriers

Internet Technologies and Applications

  • Local Area Network (LAN): Connects computers in one location
  • Wide Area Network (WAN): Connects different LANs
  • Wireless Fidelity (WiFi): Allows wireless internet access using internet protocol (IP)
  • General Packet Radio Service (GPRS): Enables mobile internet access using cellular phones
  • 4G LTE: Standard for high-speed data communication for mobile phones
  • Voice over Internet Protocol (VoIP): Enables telephone calls over the internet
  • Multimedia Streaming: Allows audio/video streaming over the internet
  • Broadband: Refers to high-speed transmission of data between a computer and the internet.
  • Cluster/Grid Computing: Allows intensive computations to be performed by thousands of computers simultaneously

Web Browser Functions and Tools

  • Back: Takes you to the previous page
  • Forward: Goes to the next page
  • Refresh: Reloads the current page
  • Tab: Allows multiple documents in one window
  • Favorites/Bookmarks: Placeholders to quickly access web pages.
  • Shortcuts: A list of previously visited pages for quick access
  • Address bar: Used to enter and display web addresses.

Troubleshooting Web Browser Problems

  • Network Connectivity: Problems can be due to incorrect network adapters, settings, faulty hardware or driver issues.
  • Configuration Problems: Issues are caused by incorrect or incompatible system or software settings leading to crashes, errors or poor performance. Troubleshooting involves identifying, checking for error messages, restarting, checking cables/connections, updating software/drivers, reviewing settings, checking for malware/viruses, backing up data and seeking professional help.
  • Virus-infected Files: Installing and updating antivirus software can prevent and fix virus-related issues.

Having Your Website

  • Website: A collection of files accessed by a web address, covering a particular theme or subject, and managed by a person or organization.
  • Domain Name: Easily remembered name associated with a physical internet address. Often appears after "@" sign in email addresses.
  • Homepage: The first page of a website, where most visitors arrive and are responsible for creating a good impression.
  • Content Section: Houses the page's main information -paragraphs, images, forms etc.

Scripting Language: HTML

  • Scripting Language: A programming language or format used to tell the computer how to display a webpage.
  • HTML: The most common scripting language used to display webpages.
  • HTML Elements: Used to structure text into headings, paragraphs, lists etc.
  • HTML Tags: " <"and ">" symbols that enclose HTML elements. These tag provide instruction for formatting a webpage.
  • Attributes: Additional properties for HTML elements (e.g. ID, class, src etc.)
  • Images: Include images using the tag with the 'src' attribute specifying the image path.

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