At 38 minutes into the episode, Angela is shown entering the house from the outside. The front door she opens is one of two double doors, each of which have a window from top to bottom. When she's halfway in, the scene cuts to show her coming through the door from inside the house, where it's a single door consisting of a window only in the top half.
At the computer store in year 1994, you can see computer mouse with scrolling wheel. First commercially available mouse with scrolling will was released in 1995.
In the flashback to 1994, the disgruntled customer tells Elliot's father that he will "take my business to Best Buy". However, at the time Best Buy had not yet expanded into the NYC area.
Elliot's father says that he's "never heard of" Pulp Fiction. In 1994, when the scene is set, Pulp Fiction was one of the biggest and most critically acclaimed films of the year. It's unlikely that he would not have heard of it.