Final answer:
The correct answer is (a) Smartphone. Smartphones are mobile devices that combine phone functionality, computing power, and internet access, revolutionized by the introduction of the iPhone. Wireless technologies, including Bluetooth and WiFi, enable these devices to connect without wired constraints.
Step-by-step explanation:
Bluetooth technology, utilizing radio transmissions in the 2.4-GHz range, is a commonplace wireless communication standard that allows connections between various devices such as headphones, speakers, and cars. Unlike wired technology, wireless solutions like Bluetooth provide portability and ease of use, becoming instrumental in today's interconnected world. Amongst these advancements, smartphones have become a pivotal device, integrating features of communication, computing power, and internet access. The term "smartphone" is the answer to the question: A smartphone is a mobile device that integrates phone, computing power, and internet access. This evolution began notably with the release of the first iPhone by Apple Inc., which uniquely paired a cell phone with a portable computer that could utilize internet wirelessly.
Over the decades, technology has evolved remarkably, from simple telegraph systems to sophisticated wireless communication devices. Microwaves enable WiFi, which allows smartphones, laptops, and other devices to wirelessly connect to the Internet at places such as homes, cafes, and airports. Smartphones, specifically, have transformed into comprehensive tools for media and data sharing, becoming quintessential in managing daily life and personal connectivity. Thus, smartphones are not merely communication devices but represent significant technological evolution influencing social interaction, media consumption, and access to information like never before.