HP Computer Practice Set 167 | Interactive MCQ Mock Test

1. If you want to store a temporary calculation result within a function in PHP without affecting the same-named variable outside the function, which variable declaration approach should you use?

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A. Declare the variable as static inside the function B. Use a superglobal array to store the value C. Declare the variable using the global keyword inside the function D. Declare a local variable inside the function without using the global keyword

2. If you want to store a temporary calculation result within a function in PHP without affecting the same-named variable outside the function, which variable declaration approach should you use?

Computer 📄 JOA IT (2026)

A. Declare the variable as static inside the function B. Use a superglobal array to store the value C. Declare the variable using the global keyword inside the function D. Declare a local variable inside the function without using the global keyword

3. If you want to store a temporary calculation result within a function in PHP without affecting the same-named variable outside the function, which variable declaration approach should you use?

Computer 📄 JOA IT (2026)

A. Declare the variable as static inside the function B. Use a superglobal array to store the value C. Declare the variable using the global keyword inside the function D. Declare a local variable inside the function without using the global keyword

4. If you want to store a temporary calculation result within a function in PHP without affecting the same-named variable outside the function, which variable declaration approach should you use?

Computer 📄 JOA IT (2026)

A. Declare the variable as static inside the function B. Use a superglobal array to store the value C. Declare the variable using the global keyword inside the function D. Declare a local variable inside the function without using the global keyword

5. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

6. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

7. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

8. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

9. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

10. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

11. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

12. When aiming to optimize website performance, which image format is most effective for photographs on a responsive educational site?

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A. GIF B. JPEG C. SVG D. PNG

13. Mainframe computers are mainly used by:

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