<PAGE>

                                                                   Exhibit 11.1

                      INTELLIQUEST INFORMATION GROUP, INC.
              STATEMENT REGARDING COMPUTATION OF NET LOSS PER SHARE
                        (IN THOUSANDS, EXCEPT SHARE DATA)
<TABLE>
<CAPTION>
                                                                              For the Three Months Ended
                                                                                    June 30, 1999
                                                           -------------------------------------------------------------
                                                                                   Weighted Average
                                                                 Loss                   Shares              Per-Share
                                                              (Numerator)            (Denominator)           Amount
                                                           ------------------     --------------------    --------------
<S>                                                        <C>                    <C>                     <C>
Basic EPS
   Net loss available to common stockholders                       $   (993)                    7,883          $  (.13)
                                                                                                          ==============
Effect of Dilutive Securities
     Options                                                                                       (A)
                                                           ------------------     --------------------

Diluted EPS                                                        $   (993)                    7,883          $  (.13)
                                                           ==================     ====================    ==============
<CAPTION>
                                                                              For the Three Months Ended
                                                                                    June 30, 1998
                                                           -------------------------------------------------------------
                                                                                   Weighted Average
                                                                 Loss                   Shares              Per-Share
                                                              (Numerator)            (Denominator)           Amount
                                                           ------------------     --------------------    --------------
<S>                                                        <C>                    <C>                     <C>
Basic EPS
   Net loss available to common stockholders                       $   (267)                    8,452          $  (.03)
                                                                                                          ==============
Effect of Dilutive Securities
     Options                                                                                       (A)
                                                           ------------------     --------------------

Diluted EPS                                                        $   (267)                    8,452          $  (.03)
                                                           ==================     ====================    ==============
</TABLE>

(A)  Due to the net loss in the first quarter of 1998 and 1999, diluted
     weighted average shares excludes the effect of dilutive securities.

                                       22
<PAGE>

                                                                   Exhibit 11.1

                      INTELLIQUEST INFORMATION GROUP, INC.
              STATEMENT REGARDING COMPUTATION OF NET LOSS PER SHARE
                        (IN THOUSANDS, EXCEPT SHARE DATA)
<TABLE>
<CAPTION>
                                                                                For the Six Months Ended
                                                                                     June 30, 1999
                                                           -------------------------------------------------------------
                                                                                   Weighted Average
                                                                 Loss                   Shares              Per-Share
                                                              (Numerator)            (Denominator)           Amount
                                                           ------------------     --------------------    --------------
<S>                                                        <C>                    <C>                     <C>
Basic EPS
   Net loss available to common stockholders                     $   (1,263)                    7,870          $  (.16)
                                                                                                          ==============

Effect of Dilutive Securities
     Options                                                                                       (A)
                                                           ------------------     --------------------

Diluted EPS                                                      $   (1,263)                    7,870          $  (.16)
                                                           ==================     ====================    ==============
<CAPTION>
                                                                                For the Six Months Ended
                                                                                     June 30, 1998
                                                           -------------------------------------------------------------
                                                                                   Weighted Average
                                                                 Loss                   Shares              Per-Share
                                                              (Numerator)            (Denominator)           Amount
                                                           ------------------     --------------------    --------------
<S>                                                        <C>                    <C>                     <C>
Basic EPS
   Net loss available to common stockholders                     $    (2,636)                   8,468          $  (.31)
                                                                                                          ==============
Effect of Dilutive Securities
     Options                                                                                       (A)
                                                           ------------------     --------------------

Diluted EPS                                                      $    (2,636)                   8,468          $  (.31)
                                                           ==================     ====================    ==============
</TABLE>

(A) Due to the net loss in the first quarter of 1998 and 1999, diluted weighted
    average shares excludes the effect of dilutive securities.

                                       23