1. Many of the first video game companies that emerged around 1972 had previously been

A: board game manufacturers

B: computer manufacturers

C: children’s entertainment companies

D: pinball machine manufactures


2. Read-only memory chips are used to.

A:record high scores, and later, save slots for longer games

B: translate input from players into visual output

C: store data that cannot be modified

D: secure game code so that it can’t be copied or pirated