1. In XML, a string resource named nameali is referenced as:
- string:nameali
- @string/nameali
- string/nameali
- R.string.nameali
Answer: B) @string/nameali
Explanation: XML uses @string/..., while code uses R.string....
MCQs / Computer Science / Lab: Student Information App Using Resources
Lab: Student Information App Using Resources MCQs — Computer Science
16 multiple-choice questions on Lab: Student Information App Using Resources from Computer Science, each with the correct answer and, where available, a teacher's explanation. Read through them to revise the chapter, then practise the same questions one by one to test yourself.
2. Which call changes an ImageView's picture to another drawable at run time?
- img.text = R.drawable.x
- setContentView(R.drawable.x)
- img.loadUrl(R.drawable.x)
- img.setImageResource(R.drawable.studentsara)
Answer: D) img.setImageResource(R.drawable.studentsara)
Explanation: setImageResource sets a drawable resource by ID.
3. The folder values-ur contains:
- Images for Urdu
- Colours for dark mode
- Strings used when the device language is Urdu
- Layouts for tablets
Answer: C) Strings used when the device language is Urdu
Explanation: values-ur is a locale qualifier for Urdu resources.
4. Which folder should hold the student photos?
- assets/strings
- res/drawable
- res/values
- res/layout
Answer: B) res/drawable
Explanation: Images used by the UI are drawable resources.
5. Text sizes should be specified in:
- pt
- sp
- dp
- px
Answer: B) sp
Explanation: sp scales with the user's font-size preference.
6. The attribute that describes an ImageView for screen readers is:
- android:hint
- android:label
- android:alt
- android:contentDescription
Answer: D) android:contentDescription
Explanation: contentDescription provides accessibility text.
7. Which scaleType crops the image to fill the ImageView while keeping its ratio?
- fitXY
- centerCrop
- matrix
- center
Answer: B) centerCrop
Explanation: centerCrop scales uniformly and crops the overflow.
8. If a string is missing in values-ur/strings.xml, Android uses:
- The default value from values/strings.xml
- An empty string
- A crash
- The English keyboard
Answer: A) The default value from values/strings.xml
Explanation: Resources fall back to the default (unqualified) folder.
9. dp stands for:
- Density-independent pixels
- Dots per point
- Display pixels
- Device points
Answer: A) Density-independent pixels
Explanation: dp keeps sizes physically similar on screens of different densities.
10. Which is a VALID name for a drawable resource file?
- 1student.jpg
- studentali.jpg
- Student-Ali.JPG
- Student Ali.jpg
Answer: B) studentali.jpg
Explanation: Resource names may contain only lowercase letters, digits and underscores, starting with a letter.
11. In the lab, index = (index + 1) % photos.size is used to:
- Sort names
- Delete photos
- Count clicks only
- Cycle back to the first student after the last one
Answer: D) Cycle back to the first student after the last one
Explanation: The modulo wraps the index around to 0.
12. Which method returns the text of a string resource in an activity?
- setText(R.drawable.name)
- getString(R.string.name)
- findViewById()
- getDrawable(R.string.name)
Answer: B) getString(R.string.name)
Explanation: getString(resId) returns the string value.
13. Resource IDs like R.drawable.studentali are of which type?
- String
- int
- File
- Bitmap
Answer: B) int
Explanation: Resource IDs are integer constants in the generated R class.
14. In a vertical LinearLayout, child views are arranged:
- Side by side
- In a grid
- One below another
- On top of each other
Answer: C) One below another
Explanation: orientation="vertical" stacks children from top to bottom.
15. Which attribute sets the image shown by an ImageView in XML?
- android:text
- android:drawablePath
- android:image
- android:src
Answer: D) android:src
Explanation: android:src points to a drawable resource.
16. View Binding replaces the need for:
- AndroidManifest.xml
- strings.xml
- findViewById()
- setContentView()
Answer: C) findViewById()
Explanation: View Binding generates a class with direct references to views.
Practise Lab: Student Information App Using Resources MCQs
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