<PAGE>
                                                                  Exhibit 11.1

                        INTELLIQUEST INFORMATION GROUP, INC.
              STATEMENT REGARDING COMPUTATION OF NET INCOME PER SHARE
                       (IN THOUSANDS, EXCEPT PER SHARE DATA)

<TABLE>
                                                  For the Three Months Ended
                                                         June 30, 1998
                                             -------------------------------------
                                                           Weighted
                                                            Average
                                               Income        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)
                                               -------        -----       -------
                                               -------        -----       -------


                                                  For the Three Months Ended
                                                         June 30, 1997
                                             -------------------------------------
                                                           Weighted
                                                            Average
                                               Income        Shares      Per-Share
                                             (Numerator)  (Denominator)    Amount
                                             -----------  -------------  ---------
<S>                                          <C>          <C>            <C>
Basic EPS
  Net income available to common
    stockholders                               $   814        8,348       $   .10
                                                                          -------
                                                                          -------
Effect of Dilutive Securities
  Options                                                       212
                                               -------        -----
Diluted EPS                                    $   814        8,560       $   .09
                                               -------        -----       -------
                                               -------        -----       -------
</TABLE>

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


                                      24

<PAGE>

                        INTELLIQUEST INFORMATION GROUP, INC.
              STATEMENT REGARDING COMPUTATION OF NET INCOME PER SHARE
                       (IN THOUSANDS, EXCEPT PER SHARE DATA)

<TABLE>
                                                   For the Six Months Ended
                                                         June 30, 1998
                                             -------------------------------------
                                                           Weighted
                                                            Average
                                               Income        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)
                                               -------        -----       -------
                                               -------        -----       -------


                                                   For the Six Months Ended
                                                         June 30, 1997
                                             -------------------------------------
                                                           Weighted
                                                            Average
                                               Income        Shares      Per-Share
                                             (Numerator)  (Denominator)    Amount
                                             -----------  -------------  ---------
<S>                                          <C>          <C>            <C>
Basic EPS
  Net income available to common
    stockholders                               $ 1,397        8,343       $   .17
                                                                          -------
                                                                          -------
Effect of Dilutive Securities
  Options                                                       212
                                               -------        -----
Diluted EPS                                    $ 1,397        8,555       $   .16
                                               -------        -----       -------
                                               -------        -----       -------
</TABLE>

(A) Due to the net loss in the six months ended June 30, 1998, diluted 
weighted average shares excludes the effect of dilutive securities.


                                      25