It's what they use to mix and play music. Note that these days "turntable" often doesn't refer to an actual turntable, but a digital device that mixes music.
If you would consider turntables an instrument, then yes.
Any old turntables or used ones are good. It will get pretty beaten up. Have extra needles handy.
"ones and twos" refers to the two turntables commonly used by DJs. "Spinning on the ones and twos" then, is the act of playing (spinning) records on the turntables.
Most DJs are comfortable using the Technics 1200/1210 turntables. They are standard equipment in most venues.
Computers, turntables, Keyboards (musical instruments), Speakers/headphones, Decks and a mixer! Not all of them at once though. Only a few at a time.
Many professional DJs still use turntables, particularly when playing music of a dance or hip hop genre that makes use of scratching, beatmatching and mixing. Many individuals also still use turntables in their homes, particularly collectors of classic vinyl albums.
There are to many types to count, there are usb turntables,dj turntables, laser turntables and classic turntables.
The days of DJs taking large equipment, turntables and vinyl records have long since gone. DJs can now effectively play music using a laptop and DJ software. Some software is available free online or through a variety of software distributors. Sometimes referred to as "virtual DJ", the software allows DJs to download their music into the software program, then select, mix and play different songs on demand.
A DJ or MC might need two turntables to be able to play two songs at the same time in order to create better mixes or transitions.
Not at all. In fact, most radio DJs are not singers and never were. You just need good speaking skills. Most DJs have a degree in communication.
turntables were invented around the 1930's but the record player came out more in the 1970's
Most turntables are not difficult to transport, but cannot be used wirelessly.