What is Thunderbolt?

A computer interface which allows high-speed connections between a variety of peripherals. It uses a mini DisplayPort connector, and combines the capabilities of DisplayPort, PCI Express and DC power over a single cable.

Devices such as monitors and hard drives can be connected via DisplayPort as well as other interfaces such as USB 2.0, USB 3.0 and Ethernet.

Current versions allow data throughput of up to 10Gbps per device.

What is a toolbar?

A toolbar is a user interface element consisting of a strip of icons, buttons or similar controls. Usually found at the top or the sides of an interface window, they offer a quick and convenient way to access frequently used controls without having to navigate a full menu system. A browsers toolbar is a particular type of toolbar, specific to web browsers, and stays on the screen as you surf the internet.

There are, however, many toolbars you may not want and which may be smuggled onto your system as part of the installation of an unrelated program.

TOSLINK (from Toshiba Link) is a standardized optical fiber connection system. Also known generically as an “optical audio cable” or just “optical cable”, its most common use is in consumer audio equipment (via a “digital optical” socket), where it carries a digital audio stream from components such as CD and DVD players, DAT recorders, computers, and modern video game consoles, to an AV receiver that can decode two channels of uncompressed lossless PCM audio or compressed 5.1/7.1 surround sound such as Dolby Digital Plus or DTS-HD High Resolution Audio. Unlike HDMI, TOSLINK does not have the bandwidth to carry the lossless versions of Dolby TrueHD, DTS-HD Master Audio and LPCM.

Although TOSLINK supports several different media formats and physical standards, digital audio connections using the rectangular EIAJ/JEITA RC-5720 (also CP-1201 and JIS C5974-1993 F05) connector are by far the most common. The optical signal is a red light with a peak wavelength of 650 nm. Depending on the type of modulated signal being carried, other optical wavelengths may be present. A less common format is a coaxial cable ending in RCA jacks, which is found on some receivers.

Source: Wikipedia

What is Trolling (an internet Troll)?

Trolling is a slang term for behaviour (generally online) designed to disrupt or de-rail online discussions – often for humorous effect, but sometimes more malicious in intent. Obvious examples include posting a deliberately controversial opinion in an attempt to goad readers into an angry response.

More recent use of the term has expanded to include sometimes criminal levels of offensive posting, designed to cause offense or upset to others. This has resulted in jail sentences for the worst offenders.