The answer is that compiled programming languages translate source code into machine code before execution, producing platform-specific executables. This is correct because the compilation process converts human-readable code directly into binary instructions tailored for a particular operating system and processor architecture, meaning the resulting executable cannot run on a different OS or CPU without being recompiled. On the CompTIA ITF+ FC0-U61 exam, this characteristic tests your understanding of how languages like C and C++ differ from interpreted languages such as Python or JavaScript, which rely on an interpreter at runtime. A common trap is confusing compilation with interpretation—remember that compiled code is pre-translated and standalone, while interpreted code is executed line-by-line. For a quick memory tip, think “Compile Once, Run One Platform” to recall that compiled executables are locked to their target system.
FC0-U61 Software Development Concepts Practice Question
This FC0-U61 practice question tests your understanding of software development concepts. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO of the following are common characteristics of compiled programming languages?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The resulting executable is platform-specific.
Option B is correct because compiled languages produce machine code that is specific to the target operating system and processor architecture. This platform-specific executable cannot run on a different OS or CPU without recompilation, which is a defining characteristic of compiled languages like C or C++.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The code is executed line-by-line by an interpreter.
Why it's wrong here
This describes interpreted languages, not compiled ones.
✓
The resulting executable is platform-specific.
Why this is correct
Machine code is tied to a specific CPU architecture and OS.
Related concept
Read the scenario before looking for a memorised answer.
✗
Variables do not need to be declared before use.
Why it's wrong here
Compiled languages like C and Java require explicit declaration.
✓
The source code is translated into machine code before execution.
Why this is correct
This is a defining feature of compiled languages.
Related concept
Read the scenario before looking for a memorised answer.
✗
The source code is compiled every time the program runs.
Why it's wrong here
Compilation is done once; the executable is reused.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse 'compiled every time the program runs' (Option E) with the actual compilation process, mistakenly thinking recompilation occurs at each execution, when in fact the executable is pre-built and reused.
Detailed technical explanation
How to think about this question
Compilation involves a multi-step process: preprocessing, lexical analysis, parsing, semantic analysis, optimization, and code generation, producing an executable binary (e.g., .exe on Windows, ELF on Linux). This binary contains CPU-specific instructions (e.g., x86-64) and system calls tied to the OS kernel, making it non-portable. In contrast, interpreted languages rely on a runtime interpreter that reads and executes source code on the fly, which is slower but platform-independent if the interpreter is available.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the FC0-U61 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Software Development Concepts — This question tests Software Development Concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The resulting executable is platform-specific. — Option B is correct because compiled languages produce machine code that is specific to the target operating system and processor architecture. This platform-specific executable cannot run on a different OS or CPU without recompilation, which is a defining characteristic of compiled languages like C or C++.
What should I do if I get this FC0-U61 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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