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
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

Example of compound condition: In common, a compound condition has the form which is as shown below: Where condition-1 & condition-2 can be any one of the below:

Configuration Section: This section holds an overall specification of the computer used for the purpose of the compilation and execution of the program. There are in all 3 par

Numeric -   Literals : The numeric literal can be created with the help of digits only. It can have a sign (+ or -) and can also have a decimal point. If no sign is specifi

PROGRAM FOR MULTIPLY VERB: We have to write a simple program to elaborate MULTIPLY verb. You can also use the edit characters in the program. Identification division. Pr

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 f

DISPLAY STATEMENT:   The function of the DISPLAY statement is just opposite to that of the ACCEPT statement. It is used to display the low-volume results on the operator's co

FILE-CONTROL: The FILE-CONTROL paragraph names each and every file and identifies the first medium through file control entries. The basic format of a file control entry is gi

Program for Sequential File Creation & Rewriting  We have to write a program to create a Length file with just two fields: l (Length) and l-c (Length-Code). Add a few records.

File volatility: File volatility associates to the number of times the updating of records are needed during some time period. File interrogation: Some files hold re