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Questions and Answers
What is the process of writing a set of instructions telling the microprocessor what to do called?
What is the process of writing a set of instructions telling the microprocessor what to do called?
Which step in programming involves testing the code to see if it performs the given task?
Which step in programming involves testing the code to see if it performs the given task?
What tool allows programmers to present various actions that are to be performed in a proper sequence?
What tool allows programmers to present various actions that are to be performed in a proper sequence?
What is the binary form of a program referred to as?
What is the binary form of a program referred to as?
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In which language do programmers write programs to be easily understood before conversion to machine language?
In which language do programmers write programs to be easily understood before conversion to machine language?
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What is the first step in programming where you find out which task is to be performed?
What is the first step in programming where you find out which task is to be performed?
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What is the role of an assembler in programming with assembly language?
What is the role of an assembler in programming with assembly language?
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What does ALP stand for in the context of assembly language programming?
What does ALP stand for in the context of assembly language programming?
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Why is it important to check the space and time for all options in assembly language programming?
Why is it important to check the space and time for all options in assembly language programming?
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What is the purpose of mnemonics in assembly language?
What is the purpose of mnemonics in assembly language?
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Why is it essential for a programmer to provide sufficient information in the program module documentation?
Why is it essential for a programmer to provide sufficient information in the program module documentation?
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Which step involves translating assembly language statements into their binary equivalents in ALP development?
Which step involves translating assembly language statements into their binary equivalents in ALP development?
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What is the primary purpose of a linker in the context of program execution?
What is the primary purpose of a linker in the context of program execution?
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During load time, what is the responsibility of the program loader?
During load time, what is the responsibility of the program loader?
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What is the main function of a debugger during program execution?
What is the main function of a debugger during program execution?
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Which tool allows a developer to stop program execution after each instruction is executed?
Which tool allows a developer to stop program execution after each instruction is executed?
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In the context of program execution, what does a debugger enable developers to do?
In the context of program execution, what does a debugger enable developers to do?
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Which component allows a developer to set a breakpoint, run the program up to that breakpoint, and then examine registers and memory?
Which component allows a developer to set a breakpoint, run the program up to that breakpoint, and then examine registers and memory?
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Study Notes
Assembly Language Programming (ALP)
- ALP translates into machine language for execution using two, three, or four-letter English-like words called mnemonics.
ALP Tips
- Optimum solution: chooses the solution that takes minimum memory space and minimum time for execution.
- Use of proper instructions: evaluates different sets of instructions to solve a specific problem, considering space and time.
- Use of proper addressing modes: compares various addressing modes in terms of time to access data.
- Prepare documentation: provides enough information for others to utilize the program module without examining its internal structure.
- Use of advanced instructions: optimally utilizes the processor's capabilities, e.g., MOVS.
Programming with an Assembler
- Steps involved in developing and executing ALP:
- Writing an ALP in a text editor (e.g., edit, notepad)
- Inputting the ALP into an assembler
- Assembler translates assembly language statements into binary equivalents (object code) and checks for errors
8086 Programming
- A program is a set of instructions in a specific sequence to perform a specific task, telling the microprocessor what to do.
Steps in Programming
- Specifying the problem: finding out which task is to be performed
- Designing the problem solution: developing and writing down the exact step-by-step process to be followed
- Coding: implementing the program
- Debugging: testing the code to ensure it performs the given task and correcting errors if necessary
Flow Chart
- A graphical tool that allows programmers to present various actions in a proper sequence, helping to develop programming logic and clarify understanding
Machine Language
- Computers understand binary form (e.g., 100010100101000) which is difficult for humans to memorize and write programs in.
- Programmers write programs in assembly language, which is then translated into machine language.
Object Code and Linker
- Object code module contains information about where the program or module is loaded in memory and additional linkage information.
- At link time, separately assembled modules are combined into one single load module by the linker.
Debugging Process
- A debugger is a program that loads an object code program into system memory, executes the program, and allows debugging.
- Debugger allows examining contents of registers and memory locations, changing contents, and rerunning the program.
- Debugger allows setting breakpoints, running the program up to the breakpoint, and examining registers and memory.
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Description
Learn about the basics of 8086 programming Assembly Language Programming (ALP) and the process of writing instructions to tell the microprocessor how to perform a task. Explore the steps involved in programming, such as specifying the problem and designing the solution.