April 22, 2021

Category: Mainframes

Types of Mainframe Computers
Mainframes

Types of Mainframe Computers

Types of Mainframe Computers Mainframes are high-performance computers used for large-scale intensive processing not possible using normal machines. They have traditionally been used by banks, government agencies and corporations requiring a dependable and secure computer for carrying out vital transactions and storing vast amounts of data. Mainframes differ in their operating systems, manufacturers and data […]

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Features of modern Mainframe Computers
Mainframes

Features of modern Mainframe Computers

Features of modern Mainframe Computers The term “mainframe computer” is typically used to refer to that group of high-end self-contained computers. A single mainframe may execute the equivalent of 10 to 100 or even more distributed processors’ worth of business activity. The vast majority of mainframe computers have provided continual service measured in years and […]

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Mainframes

Who uses mainframes and why

Who uses mainframes and why Everyone has used a mainframe computer at one point or another. If you ever used an automated teller machine (ATM) to interact with your bank account, you used a mainframe. The mainframe occupies an important place in today’s e-business environment. In banking, finance, health care, insurance, utilities, government, and a […]

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Mainframes

The Value of Mainframes Today

The Value of Mainframes Today A mainframe is simply a very large computer. And totally different from what you have on your desk. The ranking of a mainframe is as you can see almost at the top. Mainframe is an industry term for a large computer. Their main purpose is to run commercial applications of […]

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Mainframes

JCL Mainframe Interview question and answers

JCL Mainframe Interview question and answers 1. What is JCL? ANS: It is an interface between operating system (MVS) & the application program. When two related programs are combined together on control statements, it is called job control language 2. What are the basic JCL Statements for a Job? ANS: The basic JCL statements for […]

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What is JCL Mainframe?
Mainframes

What is JCL Mainframe?

What is JCL Mainframe? One IBM manual compares a set of JCL statements to a menu order in a restaurant. The whole order is comparable to the job. Back in the kitchen, the chefs divide the order up and work on individual dishes (job steps). As the job steps complete, the meal is served (but […]

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Mainframes

What is CICS Mainframe

What is CICS Mainframe CICS stands for Customer Information Control System. It is a general-purpose transaction processing subsystem for the z/OS operating system. CICS provides services for running an application online, by request, at the same time as many other users are submitting requests to run the same applications, using the same files and programs. […]

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Mainframes

Mainframe Cobol Interview Questions

Mainframe Cobol Interview Questions 1. Name the divisions in a COBOL program? ANS: Identification division, Environment division, data division, Procedure division. 2. What are the different data types available in COBOL? ANS: Alpha-numeric (X), alphabetic (A) and numeric (9). 3. What does the INITIALIZE verb do? ANS: Alphabetic, Alphanumeric fields & alphanumeric edited items are […]

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Mainframes

Mainframe Application Modernization

Mainframe Application Modernization For over a decade, mainframe applications have been criticized for spiraling maintenance costs, the result of a vicious circle of lack of documentation inability to upgrade, leading to higher costs for maintenance or upgrades right now. Whether you’re developing new business solutions or maintaining current systems, you have to support rapidly changing […]

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Mainframes

Mainframe Testing Concept and Tools

Mainframe Testing Concept and Tools Mainframe is a high performance multi user computer system which is most scalable, available, reliable and secured machine in the world capable of performing some Million Instructions per second. Mainframe testing is a testing that includes black box testing. No need of JCR and all programming language necessary. Mainframe Testing […]

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Mainframes

Use of Mainframes in Web Applications

Use of Mainframes in Web Applications Software vendors with experience in the Web services market are working to provide links to the mainframe, either in their products or through tie-ins with vendors that have mainframe experience; There is a lot of interest in Web service-enabling mainframe applications, particularly in Service-Oriented Architecture implementing Web service access […]

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