Which one of the following statements regarding programming languages is true?

Question

BlackTom AI · Accepted Answer

A programming language is a formal system of syntax and semantics used to express instructions that a computer can execute (directly or after translation), so option C is correct.

1. Relevant knowledge points and concepts
- Programming languages (high‑level like Python, Java; low‑level like assembly) let humans write algorithms and instructions.
- Compilers/interpreters translate high‑level source code into machine code (binary) that the CPU executes.
- Machine language is binary and rarely written by programmers today; many languages use English‑like keywords for readability but are not purely English.
- Applications consist of sequences of instructions created in a programming language and ultimately executed by hardware.

2. Complete reasoning step by step
- Examine option C: It states that programming languages are used to create the instructions contained in applications. This matches the definition: developers write application behavior using a language; that source becomes the program’s instructions. Therefore C describes the true purpose of programming languages.
- Examine option A: Claims languages are no longer required because programs are written by computers. This is false: while tools can generate code, humans still design, write, and maintain source code; automated code generation does not remove the need for programming languages.
- Examine option B: Says all programming involves programmers using machine language and binary. False: programmers usually write in high‑level languages; compilers translate to machine code. Only in rare cases do programmers write raw machine code.
- Examine option D: Says languages never contain English‑like instructions. False: many languages include English‑like keywords (if, while, return) and readable identifiers; they are not devoid of English-like elements.

3. Calculations
- No numeric calculations are needed for this conceptual question.

4. Why the correct answer is correct
- Because the core function of a programming language is to allow developers to express the step‑by‑step instructions (logic, control flow, data manipulation) that make up an application. These instructions are then translated/executed by the system.

5. Why other options are incorrect
- A: Overstates automated generation; languages remain essential.
- B: Incorrectly implies direct programmer use of binary/machine code in all cases.
- D: Incorrect because many languages use English-like keywords and readable syntax.

6. Conclusion
- The correct answer is C: "Programming languages are used to create the instructions contained in applications." This matches the provided answer.

Which one of the following statements regarding programming languages is true?Single choice

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