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             SECOND AMENDMENT TO FORBEARANCE AGREEMENT AND AMENDMENT
             -------------------------------------------------------

     This Second Amendment to Forbearance Agreement and Amendment is entered
into as of June 4, 1997 by and between

     BankBoston, N.A., formerly known as The First National Bank of Boston
     (hereinafter, the "BANK"), a national banking association, having a
     principal place of business at 100 Federal Street, Boston, Massachusetts;

     BancBoston Leasing Inc. (hereinafter, "BBL"), a Massachusetts corporation
     having a principal place of business at 100 Federal Street, Boston,
     Massachusetts;

     Centennial Technologies, Inc. (hereinafter, the "BORROWER"), a corporation
     organized under the laws of the State of Delaware, having a principal place
     of business at 37 Manning Road, Billerica, Massachusetts;

     NCT, Inc. (hereinafter, "NCT"), a corporation organized under the laws of
     the Commonwealth of Massachusetts, having a principal place of business at
     37 Manning Road, Billerica, Massachusetts;

     Century Electronics Manufacturing, Inc. (f/k/a Century Industries, Inc.)
     (hereinafter, "CENTURY"), a corporation organized under the laws of the
     State of Delaware, having a principal place of business at 37 Manning Road,
     Billerica, Massachusetts; and

     Design Circuits, Inc. (hereinafter "DCI"), a corporation organized under
     the laws of the Commonwealth of Massachusetts, having a principal place of
     business at 374 Turnpike Road, Southborough, Massachusetts

in consideration of the mutual covenants herein contained and
benefits to be derived herefrom.

                                   WITNESSETH:
                                   -----------

     1.   BACKGROUND. On March 18, 1997, the Bank, BBL, and the Obligors entered
          into a certain Forbearance Agreement and Amendment with respect to the
          Obligors' obligations under the Loan Agreement, their respective
          Guaranties and the Master Lease Agreement, which Forbearance Agreement
          and Amendment was amended by a First Amendment to Forbearance
          Agreement dated as of April 18, 1997 (collectively, the "ORIGINAL
          AGREEMENT"). The Bank, BBL and the Obligors desire to modify the
          Original Agreement on the terms set forth herein.


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     2.   DEFINITIONS. All capitalized terms used herein and not otherwise
          defined shall have the same meaning herein as in the Original
          Agreement.

     3.   OUTSTANDING OBLIGATIONS.
          -----------------------

          (a)  The Borrower and each of the Guarantors (individually, each an
               "OBLIGOR" and collectively, the "OBLIGORS") acknowledge and agree
               that they are jointly and severally obligated to the Bank to pay
               the Obligations and that as of June 4, 1997, the Obligations
               consist of:

               Principal:                               $6,002,415.27
               Interest through June 4, 1997:           $    6,393.83

          plus interest hereafter accruing, costs, and expenses, including,
          without limitation, reasonable attorneys' fees, consultants' fees, and
          commercial finance examination fees.

          (b)  The Borrower acknowledges and agrees that SCHEDULE 1 hereto
               accurately reflects the original cost of the property subject to
               the Master Lease Agreement and schedules thereto, which is
               presently owned by BBL.

          (c)  The Obligors further acknowledge and agree that none of them have
               any offsets, defenses, or counterclaims (i) against the Bank with
               respect to the Loan Agreement, the Guaranties , the other Loan
               Documents, or otherwise, or (ii) against BBL with respect to the
               Master Lease Agreement, or otherwise, and to the extent that any
               such offsets, defenses or counterclaims may exist, the Obligors
               each hereby WAIVE and RELEASE same. The Obligors shall execute
               and deliver to the Bank and BBL such releases as the Bank or BBL
               may request to confirm the foregoing.

          (d)  The Obligors each ratify and confirm that their respective
               obligations to the Bank (as modified hereby), including, without
               limitation, those under the Loan Agreement and the Guaranties,
               are secured by the Collateral and the Guarantor Assets.

          (e)  The Borrower ratifies and confirms that its obligations to BBL
               are secured by the Collateral.

     4.   AMENDMENTS TO LOAN DOCUMENTS. From and after the date hereof, the Loan
          Documents are hereby amended as



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          follows (which amendment shall survive the expiration of the
          Forbearance Period):

          (a)  Section 1.1 of the Loan Agreement is hereby amended by deleting
               the definition of "Borrowing Base" in its entirety and
               substituting the following in its stead:

               BORROWING BASE. ON ANY DATE OF DETERMINATION THEREOF, THE LESSER
               OF

               (a) $6,800,000, MINUS THE AGGREGATE FACE AMOUNT OF ALL
               OUTSTANDING LETTERS OF CREDIT, IN THE AMOUNTS ORIGINALLY ISSUED
               OR AS REDUCED PURSUANT TO THEIR TERMS, WHICH ARE EITHER
               OUTSTANDING OR WHICH HAVE BEEN DRAWN AND PAID BY THE BANK BUT NOT
               REIMBURSED BY THE BORROWER, OR

               (b) THE SUM OF (I) 80% OF ELIGIBLE ACCOUNTS AND (II) THE LESSER
               OF (A) 35% OF ELIGIBLE INVENTORY AND (B) $5,500,000 (OR SUCH
               LESSER PERCENTAGES OR AMOUNTS AS THE BANK MAY IN ITS REASONABLE
               DISCRETION, DETERMINE FROM TIME TO TIME UPON THIRTY DAYS WRITTEN
               NOTICE TO THE BORROWER), MINUS THE SUM OF (I) $2,000,000 AND (II)
               THE AGGREGATE FACE AMOUNT OF ALL OUTSTANDING LETTERS OF CREDIT,
               IN THE AMOUNTS ORIGINALLY ISSUED OR AS REDUCED PURSUANT TO THEIR
               TERMS, WHICH ARE EITHER OUTSTANDING OR WHICH HAVE BEEN DRAWN AND
               PAID BY THE BANK BUT NOT REIMBURSED BY THE BORROWER.

          (b)  Section 1.1 of the Loan Agreement is hereby amended by deleting
               the definition of "Maximum Commitment" in its entirety and
               substituting the following in its stead:

               MAXIMUM COMMITMENT. $6,800,000 OR ANY LESSER AMOUNT, INCLUDING
               ZERO, RESULTING FROM A TERMINATION OR REDUCTION OF SUCH AMOUNT IN
               ACCORDANCE WITH THE TERMS OF THIS AGREEMENT.

     5.   CONSENT TO INTERCOMPANY INDEBTEDNESS. The Borrower has loaned the sum
          of approximately $673,000 to its subsidiary, ITP, Inc. in connection
          with the settlement of a suit commenced by Hamby Hutcheson. The making
          of such loan without the consent of the Bank would constitute an
          additional Event of Default and Termination Event. The Bank hereby
          consents to such intercompany loan and waives any Event of Default
          and/or Termination Event arising therefrom.

     6.   GENERAL.
          --------

          (a)  This Agreement shall be binding upon each Obligor and such
               Obligor's successors, and assigns and shall enure to the benefit
               of BBL, the Bank and

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               BBL's and the Bank's successors and assigns. In the event that
               BBL or the Bank assigns or transfers its rights under this
               Agreement, the assignee shall thereupon succeed to and become
               vested with all rights, powers, privileges, and duties of BBL or
               the Bank hereunder and BBL or the Bank shall thereupon be
               discharged and relieved from its duties and obligations
               hereunder.

               Any determination that any provision of this Agreement or any
               application thereof is invalid, illegal, or unenforceable in any
               respect in any instance shall not affect the validity, legality,
               or enforceability of such provision in any other instance, or the
               validity, legality, or enforceability of any other provision of
               this Agreement.

          (c)  No delay or omission by BBL or the Bank in exercising or
               enforcing any of BBL's or the Bank's rights and remedies shall
               operate as, or constitute, a waiver thereof. No waiver by BBL or
               the Bank of any of BBL's or the Bank's rights and remedies on any
               one occasion shall be deemed a waiver on any subsequent occasion,
               nor shall it be deemed a continuing waiver.

          (d)  This Agreement and all other documents, instruments, and
               agreements executed in connection herewith incorporate all
               discussions and negotiations between the Obligors, BBL and the
               Bank, either express or implied, concerning the matters included
               herein and in such other instruments, any custom, usage, or
               course of dealings to the contrary notwithstanding. No such
               discussions, negotiations, custom, usage, or course of dealings
               shall limit, modify, or otherwise affect the provisions hereof.
               No modification, amendment, or waiver of any provision of this
               Agreement or of any provision of any other agreement between any
               Obligor and BBL or the Bank shall be effective unless executed in
               writing by the party to be charged with such modification,
               amendment and waiver, and if such party be BBL or the Bank, then
               by a duly authorized officer thereof.

          (e)  Except as modified hereby, all terms and conditions of the
               Original Agreement, the Master Lease Agreement, Loan Agreement,
               the Guaranties, and other Loan Documents remain in full force and
               effect. Without limiting the foregoing, the parties acknowledge
               that the Forbearance Period

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               will expire, unless sooner terminated, on June 30, 1997. Except
               as specifically provided in Paragraph 5 hereof, the Bank and BBL
               are not hereby waiving any Defaults, Events of Default or rights
               and remedies which exist under the Master Lease Agreement or the
               Loan Documents and the Bank and BBL reserve the right upon
               expiration of the Forbearance Period to undertake such action as
               a result of such Defaults and Events of Default as the Bank or
               BBL may determine. In particular, without limiting the generality
               of the foregoing, the Bank and BBL have not waived any Defaults
               or Events of Default, or the respective rights and remedies of
               the Bank and/or BBL arising as a result thereof, which may have
               occurred as a result of any misrepresentation made by or on
               behalf of any one or more of the Obligors.

          (f)  This Agreement and all rights and obligations hereunder,
               including matters of construction, validity, and performance,
               shall be governed by the laws of The Commonwealth of
               Massachusetts. The Obligors each submit to the jurisdiction of
               the Courts of said Commonwealth for all purposes with respect to
               this Agreement and the Obligors' relationship with the Bank and
               BBL.

          (g)  Each Obligor makes the following waiver knowingly, voluntarily,
               and intentionally, and understands that the Bank and BBL, in
               entering into the within Forbearance Agreement, is relying
               thereon. EACH OBLIGOR, TO THE EXTENT OTHERWISE ENTITLED THERETO,
               HEREBY IRREVOCABLY WAIVES ANY PRESENT OR FUTURE RIGHT OF THAT
               OBLIGOR TO A JURY IN ANY TRIAL OF ANY CASE OR CONTROVERSY IN
               WHICH THE BANK OR BBL IS OR BECOMES A PARTY (WHETHER SUCH CASE OR
               CONTROVERSY IS INITIATED BY OR AGAINST THE BANK OR BBL OR IN
               WHICH THE BANK OR BBL IS JOINED AS A PARTY LITIGANT), WHICH CASE
               OR CONTROVERSY ARISES OUT OF, OR IS IN RESPECT OF, ANY
               RELATIONSHIP BETWEEN THE BORROWER OR ANY SUCH PERSON AND THE BANK
               OR BBL.

          (h)  Each Obligor shall execute such instruments and documents as BBL
               and the Bank may from time to time request in connection with the
               Master Lease Agreement, Loan Agreement, the Guaranties, the Loan
               Documents, the within Agreement and the arrangements contemplated
               hereby.

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     It is intended that this Agreement take effect as a sealed instrument.



CENTENNIAL TECHNOLOGIES, INC.           DESIGN CIRCUITS, INC.


By: /s/ Eugene M. Bullis                By: /s/  Donald R. Peck
   ----------------------------------      -------------------------------------

Print Name: Eugene M. Bullis            Print Name:  Donald R. Peck
           --------------------------               ----------------------------

Title: Chief Financial Officer          Title: Treasurer and Clerk
      -------------------------------         ----------------------------------



CENTURY ELECTRONICS                     NCT, INC. 
MANUFACTURING, INC.

By: /s/ Donald R. Peck                  By: /s/ Donald R. Peck
   ----------------------------------     --------------------------------------

Print Name: Donald R. Peck              Print Name: Donald R. Peck
           --------------------------               ----------------------------

Title: Secretary and Treasurer          Title: President
      -------------------------------         ----------------------------------



AGREED AND ACCEPTED BY:

BANKBOSTON, N.a. f/k/a
THE FIRST NATIONAL BANK OF BOSTON



By: /s/ Ron R. Ferguson
   ----------------------------------   

Print Name: Ron R. Ferguson
           --------------------------  

Title: Vice President
      -------------------------------  

BANCBOSTON LEASING INC.


By: /s/ Ron R. Ferguson
   ----------------------------------   

Print Name: Ron R. Ferguson
           --------------------------  

Title: Vice President
      -------------------------------  



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                SCHEDULE 1 TO FORBEARANCE AGREEMENT AND AMENDMENT
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                            Equipment Schedule No. 9
                            Total Cost - $795,777.32