Simple COBOL Quiz

In COBOL, 'DIVIDE A BY B' is incorrect because the standard syntax is 'DIVIDE A INTO B' (where B is the dividend) or 'DIVIDE A BY B GIVING C'. 'DIVIDE A BY B' without a 'GIVING' clause is invalid.

In COBOL, 'SPPPP9999' has size 4: S (sign, 1 byte), PPP (3 packed decimal digits), and 9999 (4 numeric digits) = 8 bytes total, but size refers to number of elementary items. Actually, size in COBOL refers to byte count: S=1 byte, P=1/3 byte (3 P's=1 byte), each 9=1 byte (4 bytes), total=4 bytes for actual storage representation in this context.

In COBOL, 77-level entries are elementary items that can appear anywhere in the DATA DIVISION. The File Section and Working-Storage Section are subdivisions within the Data Division, so restricting to 'any part' would be incorrect. 77-level items have the broadest placement scope within the entire Data Division.

COBOL allows ADD CORRESPONDING, MOVE CORRESPONDING, and SUBTRACT CORRESPONDING to operate on matching elementary items between group records. MULTIPLY CORRESPONDING is not a valid COBOL verb - the CORRESPONDING phrase is only supported with ADD, SUBTRACT, and MOVE statements.

In COBOL, records are described using level numbers 01 through 49, with 01 being the highest (record level) and 49 being elementary items. Level 77 is used for independent data items, not record description. Level 88 is used for condition names, not records.

To solve this question, the user needs to have an understanding of the different USAGE clauses in COBOL and the storage requirements for each of them.

• A. Comp: This usage clause is a binary format that occupies 2 bytes of storage. Therefore, if the data item Var1 is described with PIC S9(4) and its usage clause is Comp, it would require 2 bytes of storage, which is less than the given 3 bytes. Hence, Option A is incorrect.

• B. Comp-1: This usage clause is a packed decimal format that occupies 4 bytes of storage. Therefore, if the data item Var1 is described with PIC S9(4) and its usage clause is Comp-1, it would require 4 bytes of storage, which is more than the given 3 bytes. Hence, Option B is incorrect.

• C. Display: This usage clause is an alphanumeric format that occupies 1 byte for each character of the data item. Since the data item Var1 is described with PIC S9(4), it would require 4 characters to store its value. Therefore, if the usage clause is Display, it would require 4 bytes of storage, which is more than the given 3 bytes. Hence, Option C is incorrect.

• D. Comp-3: This usage clause is a packed decimal format that occupies 3 bytes of storage. Therefore, if the data item Var1 is described with PIC S9(4) and its usage clause is Comp-3, it would require 3 bytes of storage, which matches the given requirement. Hence, Option D is correct.

Therefore, the answer is: D. Comp-3.

In COBOL, the RENAME clause uses level 66 to group existing data items and give them an alternative name. Level 88 is for condition names, level 77 for independent items, and level 01 for record descriptions.

To solve this question, the user needs to have knowledge of the COBOL programming language and the different types of CALL statements used in it.

The CANCEL statement is used to cancel an active COBOL program, either from within the program or by another program. Specifically, it is used to cancel a dynamic CALL statement.

Therefore, the correct answer is:

The Answer is: A. Dynamic CALL

In COBOL, PACKED DECIMAL (COMP-3) format performs faster with an odd number of digits because of how the packed decimal format stores digits (2 digits per byte plus sign nibble). Even digit counts require padding which impacts performance by 5-20%.

In COBOL, 'alphanumeric' is not a valid condition by itself. The correct syntax would be 'IF D IS NOT ALPHABETIC' or use class checks like 'NOT NUMERIC'. Options A, B, and D show valid COBOL conditional syntax patterns.