是倒装，正常语序：In fact, the last time (when 可省）it could be displayed all at once was back in 1996. 主语是the last time, it could be displayed all at once是定语从句，was是系动词作谓语，back in 1996是表语，back 是副词，修饰介词词组in 1996。问题的中文翻译无误。
