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Before we talk about Cable buying guideline lets know what is cable. The role of cable is to carry an audio or video signal from one device to another. Cables carry signals between DVD players and TVs,stereo receivers and speakers, and computers and video projectors. Cables don’t change the nature of the audio or video signal theycarry. They don’t convert or process signals in any way. That’s the job of the devices on either end.The cable itself is just the messenger.
Cables are made up of three basic parts: conductor, shielding and connector. The conductor is the wire that actually carries the signal. One or more layers of shielding prevent the wire from acting as an antenna that picks up radio frequency interference (RFI) and electromagnetic interference (EMI). The connector is the plug at the end of the cable that connects to your device. Cables are important components of any home stereo or home theater setup. If you don’t use the right cables for the right job then you could end up with subpar sound or picture quality. We know a thing or two about cables. In this cable buying guide, we’ll give you all the information about cables that best fits your requirements and budget. lets see the Youtube video about cable buying guideline.
Cable types and descriptions
With so many types of cables, it’s hard to find a singular source of information that highlights the important differences between them all. Here’s an overview of the most common cable types you’ll encounter when dealing.
1. VGA Cable
Also known as D-sub cable, analog video cable
Connect one end to: computer monitor, television (PC input port)
Connect other ends to: VGA port on computer (see image below)
2. DVI Cable
Connect one end to: computer monitor
Connect other ends to: DVI port on computer (see image below)
However there are 2 types of DVI, DVI-I and DVI-D. DVI-D does not have the extra pins around the long pin, this is also a pure digital signal over DVI-I.
3. HDMI Cable
Connect one end to: computer monitor, television
Connect other end to: HDMI port on computer (see image below)
Note: If you’re hooking up a television to your computer, then we would recommend that you use a HDMI cable as your PC cable connection since it is able to transmit both display and sound – So you can not only use your TV screen as a monitor, but also make use of your TV speakers to play PC audio.
4. PS/2 Cable
Connect one end to: PS/2 keyboard, PS/2 mouse
Connect other end to: PS/2 ports on computer (see image below)
Purple PS/2 port: keyboard
Green PS/2 port: mouse
5. 3.5mm Audio Cable
Also known as phone connector (since 3.5mm jacks are often found on mobile phones too)
Connect one end to: computer speakers, 3.5mm headphones, 3.5mm microphone
Connect other ends to: audio ports on computer (see image below use Green socket)
Green audio port: computer speakers or headphones
Pink audio port: microphone
Blue audio port: MP3 player, CD player, DVD player, turntable, electric guitar etc (line-in port to play and record sounds from the above devices) .
Fiber optics, or optical fiber, refers to the medium and the technology associated with the transmission of information as light pulses along a glass or plastic strand or fiber. Fiber optics is used long-distance and high-performance data networking.
It also commonly used in telecommunication services such as internet, television and telephones. As an example, companies such as Verizon and Google use fiber optics in their Verizon FIOS and Google Fiber services, providing gigabit internet speeds to users.
Fiber optic cables are used since they hold a number of advantages over copper cables, such as higher bandwidth and transmit speeds
A fiber optic cable can contain a varying number of these glass fibers — from a few up to a couple hundred. Surrounding the glass fiber core is another glass layer called cladding. A layer known as a buffer tube protects the cladding, and a jacket layer acts as the final protective layer for the individual strand. To know more Contact US
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