EXHIBIT 11 DATA I/O CORPORATION COMPUTATION OF EARNINGS PER SHARE Earnings per share reported in Form 10-K for the three years ended December 29, 1994 are based on the following (In thousands): Primary and Fully Diluted: 1994 1993 1992 - --------------------------------------- ------ ------ ------ Weighted Average Shares Outstanding 7,354 7,170 6,939 Dilutive Effect of Stock Options 66 178 ------ ------ ------ Weighted Average Common and Equivalent Shares Outstanding 7,420 7,170 7,117 ------ ------ ------ ------ ------ ------ Page 47