SOLUTIONS TO REVIEW QUESTIONS:  Chapter 3

I. True-False Questions  

1.   T 
2.   T 
3.   F  A numeric literal may contain a maximum of 18 digits plus an optional sign and an optional decimal point. 
4.   T 
5.   T 
6.   T 
7.   F  Fields defined in a record description must appear in the same order in which they are sequenced on the actual physical record. 
8.   F  Valid subordinate level numbers range from 02 through 49. 
9.   T 
10. F Record names are assigned in the DATA DIVISION. 

II. General Questions 

1.     a. CUSTOMER-NAME     data-names cannot contain embedded blanks 
        b. AMOUNT                      may not end with a hyphen 
        c. INVOICE-NO                may not use a period 
        d. PROCEDURE                 this is a COBOL reserved word 
        e. TAX                                may not use a special character in a data-name 
        f. QTY-OF-PRODUCT-ABC-ON-HAND  
                                                    too long; data-names may not exceed 30 characters 
        g. AMT-OF-SALES            valid 

2.     a. 123                 is a valid numeric literal 
        b. 123                 cannot end with a period 
        c. 123.0              is a valid numeric literal 
        d. 100.00           $ not permitted 
        e. 1000              comma not permitted 
        f. -100.7            sign must precede number 
        g. +54                is a valid numeric literal 
        h. -1.3                is a valid numeric literal 

3.     a. valid 
        b. valid 
        c. invalid             quote cannot be used 
        d. valid 

4.     FIELDA will contain the nonnumeric literal ABCbbb (the letter b is used throughout this manual to represent a space). 

5.     FIELDA will contain the same data as field ABC only if the PIC clauses are identical. 

6.     FIELDA will contain the word SPACES. 

7.     FIELDA will contain all blanks. 

8.     a. Area A 
        b. Area A 
        c. Area A 
        d. Area B 
        e. Area B 

9.         *A 1  B              2                  3                  4                  5                  6 
123456789012345678901234567890123456789012345678901234567890123 

              01 PURCHASE-ORDER. 
                     05 ACCT-NO. 
                           10 CATEGORY 
                           10 CREDIT-RATING 
                     05 ACTIVITY-CODE 
                     05 TRANSACTION-DATA. 
                           10 VENDOR. 
                                 15 VENDOR-NAME 
                                 15 VENDOR-NO 
                           10 TRANSACTION-STAT. 
                                 15 DATE-OF-TRANS. 
                                       20 TRANS-MO 
                                       20 TRANS-DA 
                                       20 TRANS-YR 
                                 15 TRANS-AMT