EXHIBIT 11 DATA I/O CORPORATION COMPUTATION OF EARNINGS PER SHARE Earnings per share reported in Form 10-Q for the quarters ended June 29, 1995, and June 30, 1994 are based on the following (In thousands): Quarters Ended Six Months Ended -------------- ---------------- June 29, June 30, June 29, June 30, Primary and fully Diluted: 1995 1994 1995 1994 -------------------------- ----------- ------------ ------------ ------------ Weighted Average Shares Outstanding 7,530 7,328 7,502 7,315 Dilutive Effect of Stock Options 400 32 373 32 ----------- ------------ ------------ ------------ Weighted Average Common and Equivalent Shares Outstanding 7,930 7,360 7,875 7,347 ----------- ------------ ------------ ------------ ----------- ------------ ------------ ------------ Page 16