Buffers - file characteristics, COBOL Programming

Buffers:

The Modern computers are able of handling I-O operations independent of the CPU by means of the hardware termed as data channel.

For illustration, if two buffers are allocated for an input file, the IOCS can fill- in one buffer whereas the program processes the records already read and accessible in the other buffer. 

 

 

Posted Date: 10/17/2012 7:54:03 AM | Location : United States







Related Discussions:- Buffers - file characteristics, Assignment Help, Ask Question on Buffers - file characteristics, Get Answer, Expert's Help, Buffers - file characteristics Discussions

Write discussion on Buffers - file characteristics
Your posts are moderated
Related Questions
Occurs Clause: Let us establish tables with the help of an illustration. Assume that there are ten different types of income-tax rates that are read from some input medium and

INDEXED TABLES: The OCCURS clause that is used to define tables can optionally have an INDEXED phrase. This phrase involves the names of data items which are to be used as sub

TO WRITE A QUADRATIC EQN ROOTS ARE COMPLEX IN COBOL PROGRAM

Floating Insertion   The currency symbol ($) can emerge in multiples on the left-hand side of the picture. In this situation the character will be treated in similar way as t

Example of Class condition: Let the BASIC-PAY be a data name in the card record defined with picture 9(5) V99. By reading the card we can test the value of the BASIC-PAY to ma

ACCEPT STATEMENT: The ACCEPT statement is used to read the low-volume data from the operator's console, several other hardware device or from the operating system. The common

MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a

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

File- Section &Working-Storage Section: a) FILE SECTION: The FILE SECTION includes the explanation of all data items that must be read from or written onto some external

Example of condition names: The illustration below is of the use of the condition names  77  MARITAL-STATUS     PIC    9   88  SINGLE    VALUE    IS     ZERO   88  MA