摘要
利用８２５３芯片的计时／计数功能，精确而简易地测试计算机时钟精度。
This paper introduces calculating time & count function of the 8253 chip and an easy & precise measuring method for computer′s o′clock precision. The error of measuring method is less than hundred thousandth.
出处
《上海航天》
1997年第4期63-64,共2页
Aerospace Shanghai
