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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
 
                                SCHEDULE 14D-1/A
 
                             TENDER OFFER STATEMENT
                               (AMENDMENT NO. 1)
                          PURSUANT TO SECTION 14(d)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                                      AND
                                 SCHEDULE 13D/A
                   UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)
 
                               SCS/COMPUTE, INC.
                           (NAME OF SUBJECT COMPANY)
 
                             SCS SUBSIDIARY, INC.,
                           THOMSON U.S. HOLDINGS INC.
                                      AND
                            THE THOMSON CORPORATION
                                   (BIDDERS)
 
                          COMMON STOCK, $.10 PAR VALUE
                         (TITLE OF CLASS OF SECURITIES)
 
                                  784030 10 8
                     (CUSIP NUMBER OF CLASS OF SECURITIES)
                            ------------------------
 
                            MICHAEL S. HARRIS, ESQ.
                            THE THOMSON CORPORATION
                       METRO CENTER AT ONE STATION PLACE
                          STAMFORD, CONNECTICUT 06902
                     (NAME, ADDRESS AND TELEPHONE NUMBER OF
                      PERSON AUTHORIZED TO RECEIVE NOTICES
                    AND COMMUNICATIONS ON BEHALF OF BIDDERS)
 
                                    COPY TO:
                            DAVID W. HELENIAK, ESQ.
                              SHEARMAN & STERLING
                              599 LEXINGTON AVENUE
                            NEW YORK, NEW YORK 10022
                           TELEPHONE: (212) 848-4000
 
                                January 5, 1996
 
                               Page 1 of 10 pages
                      An Exhibit Index appears on page 9.

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CUSIP No. 784030 10 8
 
    
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   1.  Name of Reporting Persons
         S.S. or I.R.S. Identification Nos. of Above Person

         SCS SUBSIDIARY, INC.
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   2.  Check the Appropriate Box if a Member of Group
         (a) / /
         (b) / /
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   3.  SEC Use only
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   4.  Sources of Funds
       WC
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   5.  Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(f) / /
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   6.  Citizen or Place of Organization

       Delaware
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   7.  Aggregate Amount Beneficially Owned by Each Reporting Person

       1,082,570 Shares which may be deemed beneficially owned pursuant to the Stock
         Purchase Agreement described herein.
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   8.  Check if the Aggregate Amount if Row (7) Excludes Certain Shares / /
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   9.  Percent of Class Represented by Amount in Row (7)

       40.1%
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  10.  Type of Reporting Person

       CO
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Page 2 of 10 pages 3 CUSIP No. 784030 10 8 - --------------------------------------------------------------------------------------------- 1. Name of Reporting Persons S.S. or I.R.S. Identification Nos. of Above Person THOMSON U.S. HOLDINGS INC. - --------------------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of Group (a) / / (b) / / - --------------------------------------------------------------------------------------------- 3. SEC Use Only - --------------------------------------------------------------------------------------------- 4. Sources of Funds WC - --------------------------------------------------------------------------------------------- 5. Check if Disclosure of Legal Proceedings is Required Pursuant to item 2(e) or 2(f) / / - --------------------------------------------------------------------------------------------- 6. Citizen or Place of Organization Delaware - --------------------------------------------------------------------------------------------- 7. Aggregate Amount Beneficially Owned by Each Reporting Person 1,082,570 Shares which may be deemed beneficially owned pursuant to the Stock Purchase Agreement described herein. - --------------------------------------------------------------------------------------------- 8. Check if the Aggregate Amount if Row (7) excludes Certain Shares / / - --------------------------------------------------------------------------------------------- 9. Percent of Class Represented by Amount in Row (7) 40.1% - --------------------------------------------------------------------------------------------- 10. Type of Reporting Person CO - ---------------------------------------------------------------------------------------------
Page 3 of 10 pages 4 CUSIP No. 784030 10 8 - --------------------------------------------------------------------------------------------- 1. Name of Reporting Persons S.S. or I.R.S. Identification Nos. of Above Person THE THOMSON CORPORATION - --------------------------------------------------------------------------------------------- 2. Check the Appropriate Box if a Member of Group (a) / / (b) / / - --------------------------------------------------------------------------------------------- 3. SEC Use only - --------------------------------------------------------------------------------------------- 4. Sources of Funds WC - --------------------------------------------------------------------------------------------- 5. Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(f) / / - --------------------------------------------------------------------------------------------- 6. Citizen or Place of Organization Ontario, Canada - --------------------------------------------------------------------------------------------- 7. Aggregate Amount Beneficially Owned by Each Reporting Person 1,082,570 Shares which may be deemed beneficially owned pursuant to the Stock Purchase Agreement described herein. - --------------------------------------------------------------------------------------------- 8. Check if the Aggregate Amount if Row (7) Excludes Certain Shares / / - --------------------------------------------------------------------------------------------- 9. Percent of Class Represented by Amount in Row (7) 40.1% - --------------------------------------------------------------------------------------------- 10. Type of Reporting Person CO - ---------------------------------------------------------------------------------------------
Page 4 of 10 pages 5 This Amendment No. 1 to the Tender Offer Statement on Schedule 14D-1 (the "Schedule 14D-1") and Amendment No. 1 to Schedule 13D relates to the offer by SCS Subsidiary, Inc., a Delaware corporation ("Purchaser") and a direct wholly owned subsidiary of Thomson U.S. Holdings Inc., a Delaware corporation ("Parent") and an indirect wholly owned subsidiary of The Thomson Corporation, a corporation organized under the laws of Ontario, Canada ("TTC"), to purchase all outstanding shares of Common Stock, par value $.10 per share (the "Shares"), of SCS/Compute, Inc., a Delaware corporation (the "Company"), at a price of $6.75 per Share, net to the seller in cash, upon the terms and subject to the conditions set forth in Purchaser's Offer to Purchase dated December 27, 1995 (the "Offer to Purchase") and in the related Letter of Transmittal, copies of which were attached to the Schedule 14D-1 as Exhibits (a)(1) and (a)(2) thereto, respectively. The Schedule 14D-1 was initially filed with the Securities and Exchange Commission on December 27, 1995. Capitalized terms used but not defined herein have the meanings ascribed to such terms in the Offer to Purchase and the Schedule 14D-1. ITEM 10. ADDITIONAL INFORMATION. Item 10(b) is hereby amended and supplemented by adding to the end thereof the following: On January 4, 1996, Purchaser was informed by the FTC that early termination of the waiting period under the HSR Act relating to the purchase of Shares pursuant to the Offer had been granted. Accordingly, the condition to the Offer requiring the expiration or termination of any applicable waiting period under the HSR Act prior to the expiration of the Offer has been satisfied. A press release relating to the foregoing is filed as Exhibit (a)(10) to the Schedule 14D-1 and is incorporated herein by reference. ITEM 11. MATERIAL TO BE FILED AS EXHIBITS. Item 11 is hereby amended and supplemented by adding the following Exhibit: (a)(10) Press Release issued by the Company on January 5, 1996. Page 5 of 10 pages 6 After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. SCS SUBSIDIARY, INC. Dated: January 5, 1996 By /s/ NIGEL R. HARRISON ----------------------------------- Name: Nigel R. Harrison Title: Treasurer Page 6 of 10 pages 7 After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. THOMSON U.S. HOLDINGS INC. Dated: January 5, 1996 By /s/ NIGEL R. HARRISON ----------------------------------- Name: Nigel R. Harrison Title: Executive Vice President Page 7 of 10 pages 8 After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. THE THOMSON CORPORATION Dated: January 5, 1996 By /s/ NIGEL R. HARRISON Name: Nigel R. Harrison Title: Executive Vice President Page 8 of 10 pages 9 EXHIBIT INDEX
PAGE IN SEQUENTIAL EXHIBIT NO. NUMBERING SYSTEM - ----------- ---------------- (a)(1) Form of Offer to Purchase dated December 27, 1995................. * (a)(2) Form of Letter of Transmittal..................................... * (a)(3) Form of Notice of Guaranteed Delivery............................. * (a)(4) Form of Letter from Purchaser to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees......................... * (a)(5) Form of Letter from Brokers, Dealers, Commercial Banks, Trust Companies and Nominees to Clients................................. * (a)(6) Form of Guidelines for Certification of Taxpayer Identification Number on Substitute Form W-9..................................... * (a)(7) Summary Advertisement as published in The Wall Street Journal on December 27, 1995................................................. * (a)(8) Press Release issued by the Company on December 20, 1995.......... * (a)(9) Consolidated Financial Statements of TTC as set forth in TTC's 1994 Annual Report to Shareholders................................ * (a)(10) Press Release issued by the Company on January 5, 1996............ 10 (c)(1) Agreement and Plan of Merger, dated as of December 19, 1995, among Parent, Purchaser and the Company................................. * (c)(2) Stock Purchase Agreement, dated as of December 19, 1995, among Parent, Purchaser and Robert W. Nolan, Sr. ....................... * (c)(3) Form of Employment Agreement between the Company and Robert W. Nolan, Sr., including, as an exhibit thereto, the form of Consulting Agreement between the Company and Robert W. Nolan, Sr. .............................................................. *
- --------------- * Previously Filed Page 9 of 10 pages
   1
                         [SCS/COMPUTE, INC. LETTERHEAD]


NEWS RELEASE

   Contact at The Thomson Corporation:          Nigel R. Harrison
                                                Executive Vice President
                                                (203) 328-9422

   Contact at SCS/Compute:                      Charles G. Wilson
                                                Executive Vice President
                                                (314) 432-7323


FOR IMMEDIATE RELEASE


             THOMSON U.S. HOLDINGS INC. RECEIVES EARLY TERMINATION
                      OF HART-SCOTT-RODINO WAITING PERIOD
                      FOR ACQUISITION OF SCS/COMPUTE, INC.

        ST. LOUIS, January 5, 1996 -- Thomson U.S. Holdings Inc., a division of
The Thomson Corporation of Toronto, Canada ("Thomson"), and SCS Subsidiary,
Inc., a direct wholly owned subsidiary of Thomson ("Purchaser"), have been
informed by the United States Federal Trade Commission (the "FTC") that the FTC
has granted early termination of the waiting period under the Hart-Scott-Rodino
Antitrust Improvements Act of 1976, as amended (the "HSR Act"), relating to
Thomson's previously announced tender offer (the "Offer") to purchase all
outstanding shares of common stock, par value $.10 per share, of SCS/Compute,
Inc. (NASDAQ Small-Cap: SCOMC), for $6.75 per share. Accordingly, the condition
to the Offer requiring the expiration or termination of any applicable waiting
period under the HSR Act prior to the expiration of the Offer has been
satisfied.

        The Offer remains subject to other conditions described in Thomson's 
and Purchaser's Offer to Purchase.


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