Lesson One

Lesson Two

Lesson Three

Lesson Four

Lesson Five

Lesson Six

Lesson Seven

Lesson Eight

Lesson Nine

Lesson Ten

Lesson Eleven

Lesson Twelve

Lesson Thirteen

Lesson Fourteen

Appendix ⅠBASIC语言错误信息表

Appendix Ⅱ DOS设备出错信息

Appendix Ⅲ DOS常见出错信息

Appendix Ⅳ DOS其他信息

Appendix Ⅴ参考译文

后记