Vocabulary Test #18 – Modern Inventions And Technology

Explanation
Hackers are individuals who gain unauthorized access to computer systems or networks, often with the intention of stealing or manipulating confidential data. They use their technical skills and knowledge to bypass security measures and exploit vulnerabilities in order to gain access to sensitive information. While "surfers" and "technicians" may use computers, they do not necessarily engage in unauthorized activities like hacking. "Programmers" refers to individuals who write and develop computer programs, which is not directly related to unauthorized access to confidential data.

Explanation
The correct answer is "obsolete." This means that pagers have become outdated or no longer in use. The statement also mentions that almost every person owns a mobile phone, which suggests that pagers are no longer needed for communication.

Explanation
With the availability of the Internet, we are able to get access to much more information than before. This means that we can now reach or obtain information that was previously inaccessible to us. The word "access" refers to the ability to enter or use something, in this case, the Internet, to obtain information.

Explanation
The word "coverage" in the context of the sentence suggests that it refers to the availability or extent of internet access. A wide network coverage would mean that the internet is accessible in many locations, allowing someone to surf the internet almost anywhere on Earth. The other options, such as coating, clothing, and camouflage, do not relate to internet accessibility.

Explanation
The word "rise" in the sentence suggests that the popularity of the iPad increased rapidly and dramatically. The word "meteoric" means sudden and very rapid, which accurately describes the rise in popularity of the iPad. Therefore, "meteoric" is the correct answer.

Explanation
The word "upsurge" means a sudden increase or rise in something. In this context, the sentence is stating that there has been a sudden increase in the sales of the latest model of digital camera, which has caused a sharp drop in the sales of the older models. Therefore, "upsurge" is the correct answer as it accurately describes the situation described in the sentence.

Explanation
The term "breakthrough" refers to a significant advancement or development in technology. In this context, the netbook with a built-in mobile phone represents a major innovation or breakthrough in technology, combining the functionalities of a traditional netbook and a mobile phone into one device. This advancement represents a significant step forward in the field of technology.

Explanation
The correct answer is "imaginative". Innovative ideas often come from people who are able to think outside of traditional boundaries and come up with new and creative solutions. The iPhone is an example of such creativity, as it revolutionized the mobile phone industry with its innovative design and features.

Explanation
Older people generally have fear of technology as they do not know how to operate technological devices. This fear or aversion towards technology is known as technophobia. It is a common phenomenon among older individuals who may have grown up in a time when technology was not as prevalent. They may feel overwhelmed or intimidated by new devices and have a lack of confidence in their ability to use them. This fear can hinder their willingness to adopt and embrace new technologies.

Explanation
Regularly scanning the computer helps minimize its exposure to online security threats. By scanning the computer, potential vulnerabilities and weaknesses can be identified and addressed, reducing the risk of being targeted by hackers or malware. This proactive approach helps to keep the computer secure and minimize the chances of being compromised.