Hiring guide for IBM System/360 Assembly language. Engineers

IBM System/360 Assembly language. Developer Hiring Guide

IBM System/360 Assembly language, introduced in the 1960s, is a low-level programming language used for direct hardware manipulation on IBM's System/360 mainframe computers. It was designed to provide programmers with a means of controlling every aspect of the system's operation. The language is characterized by its use of mnemonic codes and symbolic addresses, making it more human-readable than machine code. Despite its age, it remains relevant in modern mainframe environments due to its efficiency and control capabilities. Information sourced from IBM's official documentation and historical records.

Ask the right questions secure the right IBM System/360 Assembly language. talent among an increasingly shrinking pool of talent.

First 20 minutes

General IBM System/360 Assembly language. app knowledge and experience

The first 20 minutes of the interview should seek to understand the candidate's general background in IBM System/360 Assembly language. application development, including their experience with various programming languages, databases, and their approach to designing scalable and maintainable systems.

What are the key components of IBM System/360 Assembly language?
The key components of IBM System/360 Assembly language are the assembler directives, mnemonics, macros, and the assembler itself.
How would you define a macro in IBM System/360 Assembly language?
A macro in IBM System/360 Assembly language is defined using the MACRO and MEND directives. The MACRO directive is used to start the macro definition and the MEND directive is used to end it.
What is the role of the Assembler in IBM System/360 Assembly language?
The Assembler in IBM System/360 Assembly language translates the assembly language code into machine language code.
How would you use the START directive in IBM System/360 Assembly language?
The START directive in IBM System/360 Assembly language is used to specify the starting address for the program.
What are the different types of instructions in IBM System/360 Assembly language?
The different types of instructions in IBM System/360 Assembly language are data movement instructions, arithmetic instructions, logical instructions, and control flow instructions.
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What you’re looking for early on

Does the candidate have a thorough understanding of IBM System/360 Assembly language?
Has the candidate demonstrated problem-solving skills?
Is the candidate able to articulate complex technical concepts clearly?
Does the candidate have experience or knowledge in debugging Assembly language code?

Next 20 minutes

Specific IBM System/360 Assembly language. development questions

The next 20 minutes of the interview should focus on the candidate's expertise with specific backend frameworks, their understanding of RESTful APIs, and their experience in handling data storage and retrieval efficiently.

How would you perform arithmetic operations in IBM System/360 Assembly language?
Arithmetic operations in IBM System/360 Assembly language are performed using the ADD, SUB, MUL, and DIV instructions.
Describe the difference between the LOAD and STORE instructions in IBM System/360 Assembly language.
The LOAD instruction in IBM System/360 Assembly language is used to load data from memory into a register, while the STORE instruction is used to store data from a register into memory.
How would you use conditional branching in IBM System/360 Assembly language?
Conditional branching in IBM System/360 Assembly language is done using the BE (Branch if Equal), BNE (Branch if Not Equal), BLT (Branch if Less Than), BLE (Branch if Less or Equal), BGT (Branch if Greater Than), and BGE (Branch if Greater or Equal) instructions.
What is the purpose of the EQU directive in IBM System/360 Assembly language?
The EQU directive in IBM System/360 Assembly language is used to assign a name to a constant value or an expression.
How would you define a data block in IBM System/360 Assembly language?
A data block in IBM System/360 Assembly language is defined using the DS (Define Storage) or DC (Define Constant) directives.
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The ideal back-end app developer

What you’re looking to see on the IBM System/360 Assembly language. engineer at this point.

At this point, a skilled IBM System/360 Assembly language. engineer should demonstrate strong problem-solving abilities, proficiency in IBM System/360 Assembly language. programming language, and knowledge of software development methodologies. Red flags include lack of hands-on experience, inability to articulate complex concepts, or unfamiliarity with standard coding practices.

Digging deeper

Code questions

These will help you see the candidate's real-world development capabilities with IBM System/360 Assembly language..

What does this simple Assembly language code do?
START 0
LOAD A
STORE B
END
This code loads the value from memory location 'A' into the accumulator and then stores the value from the accumulator into memory location 'B'.
What does this Assembly language code do?
START 0
LOAD A
ADD B
STORE C
END
This code loads the value from memory location 'A' into the accumulator, adds the value from memory location 'B' to the accumulator, and then stores the result in memory location 'C'.
What does this Assembly language code do that manipulates an array?
START 0
LOAD A(1)
ADD B(1)
STORE C(1)
END
This code loads the first element of array 'A' into the accumulator, adds the first element of array 'B' to the accumulator, and then stores the result in the first element of array 'C'.
What does this Assembly language code do that involves threading or concurrency?
START 0
LOAD A
START 1
LOAD B
ADD A
STORE C
END
This code starts two threads. The first thread loads the value from memory location 'A' into the accumulator. The second thread loads the value from memory location 'B' into the accumulator, adds the value from memory location 'A' to the accumulator, and then stores the result in memory location 'C'.

Wrap-up questions

Final candidate for IBM System/360 Assembly language. Developer role questions

The final few questions should evaluate the candidate's teamwork, communication, and problem-solving skills. Additionally, assess their knowledge of microservices architecture, serverless computing, and how they handle IBM System/360 Assembly language. application deployments. Inquire about their experience in handling system failures and their approach to debugging and troubleshooting.

What is the role of the Linkage Editor in IBM System/360 Assembly language?
The Linkage Editor in IBM System/360 Assembly language is used to link together different object modules into a single executable module.
How would you handle errors in IBM System/360 Assembly language?
Errors in IBM System/360 Assembly language are handled using the CHECK instruction, which checks for conditions such as overflow, underflow, and division by zero.
Describe the difference between the LTORG and END directives in IBM System/360 Assembly language.
The LTORG directive in IBM System/360 Assembly language is used to specify the start of a literal pool, while the END directive is used to specify the end of the source program.

IBM System/360 Assembly language. application related

Product Perfect's IBM System/360 Assembly language. development capabilities

Beyond hiring for your IBM System/360 Assembly language. engineering team, you may be in the market for additional help. Product Perfect provides seasoned expertise in IBM System/360 Assembly language. projects, and can engage in multiple capacities.

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