COBOL Interview Questions

41. Which mode is used to operate the sequential file?
An O-I mode (Output/Input mode) is used for starting and initiation of processing files. Processing of files is determined by successful execution of an OPEN statement.

42. How many bytes S(8) comp field occupy and its maximum value?
S(8) can store 4 bytes and the highest value is 99999999.

43. How arrays can be defined in COBOL?
Arrays can be defined as -05 Array1 PIC X(9) occurs 10 times.

44. What are literals?
A literal is a data item which consists value by itself. It cannot be referred by a name. They are constant data items. There are two types of literals: String / Alphanumeric Literals and Numeric Literals.

45. What is a report item?
A report item is a field to be printed which has Edit Symbols.

46. Can we redefine the field of X(200) to less than 200?
Yes, we can redefine the values from bigger number to smaller number.

47. What is length is Cobol?
Length is like a special register to have the length of a group or an elementary item.

48. What does the INITIALIZE verb do?
Alphabetic, Alphanumeric fields & alphanumeric edited items are set to SPACES.Numeric, Numeric edited items set to ZERO.FILLER , OCCURS DEPENDING ON items left untouched.

49. What is 77 level used for?
Elementary level item.It cannot be subdivisions of other items (cannot be qualified), nor can they be subdivided themselves.

50. What is 88 level used for?
For condition names.

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