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PROGRAM FOR SCREEN SECTION:
identification division.
program- id.
environment division.
data division.
working-storage section.
01 a pic 9(2) value 0.
01 b pic 9(2) value 0.
01 c pic 9(3) value 123.
screen section.
01 b-screen.
02 blank screen.
01 screen1.
02 line 3 column 5 pic 9(2) to a auto bell.
02 line 5 column 5 pic 9(2) to b auto bell.
01 screen2.
02 line 7 column 5 pic 9(2) from a blink reverse-video.
02 line 9 column 5 pic 9(2) from b highlight blink.
procedure division.
p0.
display b-screen.
p1.
display screen1.
accept screen1.
display screen2.
compute c = a + b.
display " ".
display " c = " c.
display "Using exhibit".
exhibit c.
stop run.
Example of Write statement: Illustration: (i) WRITE TRANS-RECORD AFTER ADVANCING 3 LINES. This WRITE statement specified that the TRANS-RECORD is a record name of a fi
UPDATING OF THE RELATIVE AND INDEXED FILES: The Sequential files are updated by creating a new master file from an existing old master file and a transaction file. Such an Upda
REWRITE STATEMENT: As in the situation of a relative file, the REWRITE statement needs that the file should be opened in the I-O mode, and if the SEQENTIAL access mode is spec
MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below: The r
Example of Sign condition: The illustration below describes the use of the sign condition. Illustration: 77 BALANCE PIC S9 (6) V99. . . I
ARITHMETIC VERBS: Most of the problems need some computations to be performed on the input or intermediate data that are numeric in nature. The Arithmetic verbs are used to pe
SEARCH VERB: The SEARCH verb is used to position elements in one-dimensional tables. Let us consider the following problem. Assume that each element of a table consists of thr
START STATEMENT: The START statement places the files to the initial logical record whose record key satisfies the condition specified by the KEY phrase. The access mode shoul
CONDITIONS-NAME CONDITION: The condition name is an entity which itself is a condition and these can have either a true or false value. Though, a condition name cannot be d
Introduction to COBOL: In the year 1959, a new language named the COBOL ( CO mmon B usiness O riented L anguage) was introduced remembering the business purpose application
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