英文生字猜一猜

1) A company which sends out radio or television programmes.
[HINT: ISAOTNT]
2) A box-like deveice with a screen which receives electrical signals and changes them into moving images and sound.
[HINT: VOLESETINI]
3) The US trademark for Autocue.
[HINT: EPRETMLERTOP]
4) A publicly owned international news and information company established in London.
[HINT: URSTEER]