Mainframe Attributes
The following are the various mainframe attributes:
- Multiprogramming:
- The multiprogramming feature is a feature that helps us to make the most of the CPU.
- The computer is running many programs at the same time.
- Time-sharing:
- Foreground processing refers to time-share processing, whilst Background processing refers to batch job processing. As a result, it is referred to as Interactive Processing since it allows the user to interact directly with the computer.
- In a time-sharing system, each user has terminal device access to the system.
- Virtual storage:
- As an extension of physical storage, virtual storage makes use of disc storage.
- It is a method of efficiently using memory to store and accomplish a large number of operations.
- Spooling:
- The Spool stands for Simultaneous Peripheral Operations Online, and it’s used to collect a program’s or application’s output.
- If necessary, the spooled output is sent to output devices such as a printer.
- Batch processing:
- Batch processing is a technology that allows us to complete any task in pieces called jobs.
- One can run one or more applications in a specific order depending on the tasks at hand.
- The job scheduler comes to a conclusion regarding the order in which the jobs are executed.
- To maximize the average production, jobs are arranged according to their priority and class.
- With the help of JOB CONTROL LANGUAGE, batch processing provides us with the necessary information (JCL).
Software Testing – Mainframe Testing
Mainframe testing is used to evaluate software, applications, and services built on Mainframe Systems. The major goal of mainframe testing is to ensure the application or service’s dependability, performance, and excellence through verification and validation methodologies, and to determine if it is ready to launch or not. Because CICS screens are custom-built for specific applications, the tester just has to know how to navigate them when performing Mainframe testing. Also, if the code in COBOL, JCL, or other languages is changed, the tester does not have to worry about the emulator being set up on the system.
Here, we will discuss the following points:
- What is Mainframe?
- Mainframe Testing Methodologies.
- Prerequisites for Mainframe Testing.
- Mainframe Attributes.
- Steps for Mainframe Testing.
- Mainframe Testing Procedures To Follow.
- Types of Mainframe Manual Testing.
- Mainframe Automation Testing Tools.
- Best Practices For Mainframe Testing.
- Mainframe Testing Challenges and Troubleshooting.
- Benefits of Mainframe Testing.
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