Tag: science & technology

Firefox, Opera, Chrome, Safari, and Internet Explorer (referred to as 'Explorer') are all web browsers used to access and navigate the internet. Each provides a interface for viewing websites and web applications.

Gold is actually an excellent conductor of electricity, which is why it's used in high-quality electronic connectors and circuit boards. The statement claims gold is not a good conductor, which is false. Therefore, the correct answer is False.

Atomic bombs do work by nuclear fission, specifically by splitting uranium or plutonium nuclei, releasing enormous energy. This is the principle behind the first atomic bombs and differentiates them from hydrogen bombs which use fusion.

The original Sony PlayStation used CDs, not cartridges, to play games. This was a key difference from competing consoles like Nintendo 64 which used cartridges. The statement claims cartridges were used, which is false.

Keyboards are indeed input devices that allow users to enter data and commands into a computer. They send keystroke information to the computer, making them fundamental input peripherals.

WWW stands for World Wide Web, the system of interconnected documents and resources linked by hyperlinks on the internet. The other options are incorrect abbreviations not related to web technology.

DNA is indeed the abbreviation for Deoxyribonucleic acid, the molecule that carries genetic instructions for the development, functioning, growth, and reproduction of all known living organisms.

SMTP (Simple Mail Transfer Protocol) is the standard protocol for email transmission and traditionally uses port 25. The other ports listed are for different services: port 21 is for FTP (File Transfer Protocol), port 23 is for Telnet (remote login), and port 80 is for HTTP (web traffic).

The iPhone 4 (released in 2010) was a 3G device, not a 4G device - it didn't support LTE or 4G networks which weren't widely available at launch. The iPhone 4 did include a front-facing camera (introduced for FaceTime), HD video recording (720p), and multitasking capabilities added in iOS 4.

SSL stands for Secure Sockets Layer, a cryptographic protocol designed to provide secure communication over computer networks. The other options are incorrect: SSL involves 'sockets' (network connection endpoints), not LAN; and it's a protocol layer, not specifically software.