Multiple choice technology mainframe

What is the difference between PIC 9.99 and 9v99?

  1. PIC 9.99 is a THREE-POSITION field where as PIC 9v99 is FOUR-POSITION numeric field.

  2. No difference.

  3. PIC 9.99 is a FOUR-POSITION field where as PIC 9v99 is THREE-POSITION numeric field

  4. PIC 9.99 takes less space then PIC 9V99.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

PIC 9.99 includes an explicit decimal point that occupies a storage position - it's a 4-position field (3 digits plus the decimal point). PIC 9v99 uses an implied decimal point (the 'v') that doesn't take storage - it's a 3-position numeric field storing only the 3 digits. This is a key distinction in COBOL picture clauses. Option A has the position counts reversed. Option B is wrong - there is a difference. Option D is incorrect - the storage differs.

AI explanation

To answer this question, we need to understand the PIC (Picture) clause in COBOL, which is used to define the data type and format of a field.

In COBOL, the PIC 9.99 and 9v99 are different data types with different formats:

PIC 9.99 - This is a FOUR-POSITION field. The "9" represents a numeric digit, and the ".99" represents two decimal places.

9v99 - This is a THREE-POSITION field. The "9" represents a numeric digit, and the "v99" represents two decimal places.

Let's go through each option to understand why it is correct or incorrect:

Option A) PIC 9.99 is a THREE-POSITION field whereas PIC 9v99 is a FOUR-POSITION numeric field. This option is incorrect because the statement is reversed. PIC 9.99 is a FOUR-POSITION field, not THREE-POSITION.

Option B) No difference. This option is incorrect because there is a difference in the number of positions.

Option C) PIC 9.99 is a FOUR-POSITION field whereas PIC 9v99 is a THREE-POSITION numeric field. This option is correct. As explained above, PIC 9.99 is a FOUR-POSITION field, and PIC 9v99 is a THREE-POSITION field.

Option D) PIC 9.99 takes less space than PIC 9v99. This option is incorrect because both PIC 9.99 and 9v99 have the same number of decimal places and take the same amount of space.

The correct answer is C) PIC 9.99 is a FOUR-POSITION field whereas PIC 9v99 is a THREE-POSITION numeric field.