EXHIBIT 11.1
 
                                  GENUS, INC.
                       COMPUTATION OF EARNINGS PER COMMON
                        AND COMMON EQUIVALENT SHARE (A)
                                 (IN THOUSANDS)
 


                                                                                     YEAR ENDED DECEMBER 31,
                                                                                 -------------------------------
                                                                                   1995       1994       1993
                                                                                 ---------  ---------  ---------
 
                                                                                              
Average common shares outstanding..............................................     15,334     12,545     12,170
 
Computation of incremental outstanding shares
  Net effect of dilutive stock options based on treasury stock method..........        729        561     --
                                                                                 ---------  ---------  ---------
                                                                                    16,063     13,106     12,170
                                                                                 ---------  ---------  ---------
                                                                                 ---------  ---------  ---------
Net income (loss)..............................................................  $  19,282  $   4,177  $  (6,883)
                                                                                 ---------  ---------  ---------
                                                                                 ---------  ---------  ---------
Earnings (loss) per share (b)..................................................  $    1.20  $    0.32  $   (0.57)
                                                                                 ---------  ---------  ---------
                                                                                 ---------  ---------  ---------

 
(a) See Note 1 of Notes to Consolidated Financial Statements.
 
(b) Primary and fully diluted earnings per share are materially the same for all
    years presented.
 
                                      S-1

                                                                     SCHEDULE II
 
                                    GENUS, INC.
                         VALUATION AND QUALIFYING ACCOUNTS
                FOR THE YEARS ENDED DECEMBER 31, 1995, 1994 AND 1993
                                   (IN THOUSANDS)
 


                                                                    COLUMN B     COLUMN C                 COLUMN E
                                                                   -----------  -----------              -----------
COLUMN A                                                           BALANCE AT   CHARGED TO    COLUMN D     BALANCE
- -----------------------------------------------------------------   BEGINNING    COSTS AND   ----------    AT END
DESCRIPTION                                                         OF PERIOD    EXPENSES    DEDUCTIONS   OF PERIOD
- -----------------------------------------------------------------  -----------  -----------  ----------  -----------
                                                                                             
1995
Allowance for doubtful accounts..................................   $     250    $      --   $       --   $     250
Inventory reserves...............................................       2,665          995          389       3,271
Product warranty and installation accruals.......................       2,394        3,640        1,716       4,318
1994
Allowance for doubtful accounts..................................         250            0            0         250
Inventory reserves...............................................       3,250          947       (1,533)      2,665
Product warranty and installation accruals.......................       2,042        2,094       (1,742)      2,394
1993
Allowance for doubtful accounts..................................         270          475         (495)        250
Inventory reserves...............................................       4,766        1,419       (2,935)      3,250
Product warranty and installation accruals.......................       1,737        1,381       (1,076)      2,042

 
                                      S-2