Computer Maintenance, CSS, and IT Security

• These study notes cover topics related to computer maintenance, network administration, CSS, HTML, and IT security.

CSS Styling

• a:link {color: blue;} styles unvisited hyperlinks in CSS with a blue color.
• ::pseudo-element {property: value;} is the correct syntax for applying pseudo-elements in CSS.
• CSS styling priority is determined according to position of the CSS file, the number of IDs, classes, and HTML tags.
• Important has highest priority in CSS styling, override other declarations.

Soft Skills and IT Roles

• Communication skills are crucial for computer repair and maintenance professionals.
• Network administrators are primarily responsible for managing and maintaining systems.
• Communication and time management skills are essential for system administrators.
• Organizing seminars involves multiple steps.

Hardware and Connections

• HDMI ports are commonly used to connect display devices to computers.
• The order of CSS selector precedence from highest to lowest is !important, inline styles, IDs, classes, elements.
• rgb(0, 255, 0) represents the color green in the RGB color system.
• Pseudo-classes are used to define special states of an HTML element.
• General knowledge of hardware is essential for computer repair and maintenance professionals.
• IT service roles exclude artistic professions.
• Information security engineers are responsible for establishing and maintaining network security.

IT Security and Legal Considerations

• Knowledge about laws and regulations is important for system administrators to comply with security policies.
• The :hover pseudo-class is used to create dynamic effects when the mouse cursor is over an element.
• The demand for information security experts is increasing due to the growing threat of online attacks.
• Network technicians are responsible for establishing network connections and resolving related issues.
• Computer maintenance services include technical support.
• If an HTML element has both an ID and a class, the ID style will take precedence.
• Websites may need a registration page when it comes to user participation.
• HTML and CSS support HSL color codes.
• Microphones are not displaying devices like screens.

True/False items

• Computer maintenance specializations involve hardware, software, networks, and security.
• In CSS, the last declared style takes precedence if all have the same priority.
• System administrations involves network security, data protection, and hardware, but not developing mobile apps.
• System administrators need network structure knowledge, security awareness, law, and communications skills.