2.5 Space Questionbank

The Impact of Cloud Networks on Data Accessibility

Cloud networks allow for data storage and access over the internet, making data accessible from anywhere. This accessibility supports remote work, file sharing, and collaboration but also raises concerns about data security and control over personal information.

The Role of Drones in Surveillance and Privacy Concerns

Drones are widely used for surveillance in law enforcement and border control. While they enhance monitoring capabilities and can improve public safety, drones also raise concerns about privacy, consent, and the potential misuse of surveillance technology in public and private spaces.

The Role of Firewalls in Network Security

Firewalls are critical for network security, acting as barriers between internal networks and external threats. They control incoming and outgoing traffic, protecting against unauthorized access and cyber attacks. However, configuring firewalls effectively can be challenging, especially in large organizations.

The Ethical Implications of Malicious Software in Personal Devices

Malicious software (malware) is a significant threat to users of personal devices, as it can steal sensitive information, disrupt services, or even cause financial losses. With increased connectivity, devices are more vulnerable to these attacks, raising ethical questions about responsibility in cybersecurity.

The Influence of Moore’s Law on Technological Development

Moore’s Law has driven rapid advancements in technology by predicting that the number of transistors on a chip doubles approximately every two years. This trend has influenced the affordability, size, and power of devices like smartphones and laptops, though some predict Moore’s Law may be slowing down.

User interfaces (UI) are critical in making devices accessible to a diverse range of users. For example, voice-activated interfaces, like those on smartphones, allow individuals with limited mobility to use devices effectively. While these interfaces promote inclusivity, there are challenges, such as accuracy and user privacy, that can affect their effectiveness.

Facial recognition algorithms, used for security in airports, rely on large datasets and are sometimes criticized for algorithmic bias. For instance, these algorithms have been known to misidentify individuals of certain racial backgrounds, raising fairness and transparency issues.

Source A: The Importance of Data Storage and Memory in Computers

Data storage (like hard drives and SSDs) holds files permanently, while memory (RAM) stores temporary data, supporting the computer’s processing needs. Effective storage and memory are critical to speed and multitasking abilities in devices from smartphones to mainframes.

For example, an SSD in a laptop allows fast data retrieval, boosting performance for tasks like video editing and gaming.

Source B: Wearable Devices: Integrating Computers into Daily Life

Wearable computers, such as smartwatches and fitness trackers, integrate technology into daily life, providing health monitoring, communication, and real-time data tracking. These devices are lightweight and adaptable, making them practical for continuous use.

For instance, a smartwatch can monitor heart rate, track physical activity, and send alerts, helping users maintain their health goals.

Source C: The Impact of Moore’s Law on Technology Progression

Moore’s Law states that the number of transistors in a microchip doubles approximately every two years, boosting processing power. This principle has driven computing advancements, leading to smaller, faster, and more efficient devices.

For example, Moore’s Law facilitated the evolution from bulky desktop computers to powerful smartphones that fit in a pocket.

Source D: Haptic and Graphical User Interfaces in Computing

User interfaces (UIs) allow people to interact with computers. Graphical user interfaces (GUIs) use icons and visuals to make navigation intuitive, while haptic interfaces provide touch feedback, enhancing the tactile experience in applications like gaming and virtual reality.

For example, smartphones combine haptic feedback with touchscreens, making interactions more intuitive for users.

Source A: Types of Computing Networks and Their Applications

Computing networks enable connectivity across different scales and purposes, from Local Area Networks (LANs) within buildings to Wide Area Networks (WANs) spanning cities. Virtual Private Networks (VPNs) enhance security, while Client-Server and Peer-to-Peer (P2P) architectures support various communication methods.

For instance, a VPN can secure remote employee access to a company’s intranet, and LANs connect devices within a corporate office to share resources efficiently.

Source B: Essential Components of Computing Networks

The effectiveness of networks depends on critical components such as clients, servers, routers, and switches. Modems connect devices to the internet, while network interfaces enable devices to join a network. These elements, together with wired and wireless media, make data transmission feasible across distances.

For example, a modem connects a home router to an internet service provider (ISP), enabling users to access the internet and local network resources.

Source C: Transmission Media in Networks: Wired vs. Wireless

Networks rely on transmission media for data transfer. Wired media (e.g., Ethernet and fiber-optic cables) provide high-speed, reliable connections, while wireless media (e.g., Wi-Fi and cellular networks) enable mobility. Each medium has specific advantages depending on the application.

For instance, fiber-optic cables support high-speed internet in metropolitan areas, while Wi-Fi enables device connectivity within homes and offices without physical cabling.

Source D: Network Protocols and Communication Rules

Protocols define communication standards for data exchange across networks. TCP/IP is foundational for the internet, while HTTP supports web browsing. Protocols like FTP and SMTP enable file transfers and email communication, respectively.

For example, TCP/IP underpins internet connections, ensuring data packets are transmitted between devices without data loss, even over long distances.