Block size - file characteristics , COBOL Programming

Block Size:

The normal practice is to group a number of consecutive records to form that is termed as a block or a physical record. The number of records in a block is frequently known as "blocking factors".

The IOCS reserves a memory space equivalent to the size of a block of the file. This memory space is termed as the buffer. 

 

Posted Date: 10/17/2012 7:53:04 AM | Location : United States







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

Write discussion on Block size - file characteristics
Your posts are moderated
Related Questions
COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.

SUBTRACT VERB: The SUBTRACT verb is used to subtract one, or the sum of two or more numbers from one or more numbers and to store the result. The form of the SUBTRACT verb

Example of Open statement: Illustration: The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER. The illustration represents that there are two input files named the

OCCURS CLAUSE - PROGRAM: We have to write a program to elaborate occurs clause. Get names and marks of the students and show them on the screen.   identification division.

we have input file ,record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input file

RULES FOR INDEXED TABLES: The rules of indexing a table with an INDEXED phrase are as shown below: (1) If indexing is completed for any one level of a table, then indexing

Rules for apply for the condition name: The rules below apply for the condition name. (i) The Condition names should be explained at level 88. The level number starts in ma

Illustration of the abbreviation: A few illustration of the abbreviation are given below: Illustration: The compound condition  AMOUNT GREATER THAN 499 AND AMOUNT L

REDEFINES CLAUSE: At times it may be found that two or more storage regions defined in the DATA DIVISION are not in use concurrently. In such situations only one storage regio

READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the