Computer Tutorial

Learn About The Software Through Video Tutorials
First off were those online computer tutorial courses that offer reading materials and accounts on a tutorial course provider’s website. Upon registration for an online computer tutorial course, which usually required people to cough up ...

Getting Your First Computer
Have you ever wanted to buy your dream computer? You have save your monthly income to buy it but you did not know what specification you should choose since there are lot of choices in the market today. ...

CNC BOOK And A CNC Tutorial On New LEARN CNC BOOK Released
Computer Numerical Control basics can be very intimidating when you start the learning process. Ivan discusses in his CNC Tutorial, that steep learning curve that he found when he first started investigating Computer Numerical Control. ...

Cobol Tutorial VIII
Debugging COBOL code (i) Before a line of code is written...preparation The best way to avoid spending hours trying to untangle a mass of complex code (that you brilliantly typed into the computer straight from the top of your head) is ...

Cobol Tutorial II
3.3 The DATA DIVISION The data division is where memory space in the computer is allocated to data and identifiers that are to be used by the program. Two important sections of this division are the FILE SECTION and the WORKING-STORAGE ...

Cobol Tutorial IX
Sample COBOL code The sample code here was written while learning COBOL so they aren't particularly well structured. Also, they are not the usual type of COBOL program that you would normally come across. COBOL is more likely written ...

Cobol Tutorial VII
7.4 SORT and MERGE If you wished to take a file of unordered records and produce a new file of these records sorted into ascending or descending order of a field you would use SORT. The League table program in the Sample code section ...

Cobol Tutorial VII
7.3 File Organization There are at least four ways in which the records on a file may be organised: SEQUENTIAL, LINE SEQUENTIAL, RELATIVE, AND INDEXED. When a file contains several records (hundreds or even thousands) if you only wanted ...

Cobol Tutorial VI
7. File Handling 7.1 Reading and Writing In order to either read, alter or create a new file, we must first open it (even if it doesn't even exist yet). In doing so, a open mode must be defined. To simply read data from an existing file ...

Cobol Tutorial V
6. Commands and Logic 6.1 ACCEPT and DISPLAY To enter data via the console during a program run, use the ACCEPT verb, eg: ACCEPT W-DATA-IN To display data on the console during a run use the DISPLAY verb, ie: DISPLAY W-DATA-OUT To place ...