digital 可以用作表语的。高考题中也经常出现。如：

以下对话摘自2020全国卷Ⅱ听力录音原文：

W: Can I help you, sir?

M: I’d like to buy a camera.

W: Right. We have ordinary cameras, movie cameras, and video cameras. They are all digital.

M: Well, I am thinking of a video camera.

W: Let’s see. How much do you want to spend, sir?

M: Oh, I’m not really sure. What is the price?

W: Well, that depends on the model and anything else you want to have with it.

M: I see.

W: How about this one? It has one of the new memory sticks and a protective case for filming underwater, so you can take it when you go diving.

M: Does it have auto focus?

W: No, it doesn’t.

M: That’s OK. The underwater filming is important for me actually. How much is this?

W: It costs 650 euros.

M: Oh, that’s a bit expensive for me. Have you got anything similar but less expensive?

W: Well, here’s the sale of the week. It’s excellent for the price, only 470 euros. And it includes...

又如下面一段接自2017年高考英语全国卷Ⅰ阅读理解C文：

“Jazz seems like it’s not really a part of the American appetite,” Moran tells National Public Radio’s reporter Neal Conan. “What I’m hoping to accomplish is that my generation and younger start to reconsider and understand that jazz is not black and white anymore. It’s actually color, and it’s actually digital.”