Q1. What does `sizeof(int*)` typically return on a 64-bit system?
- A. 2
- B. 4
- C. 8 ✓
- D. Depends on int size
Explanation: Pointer size is architecture-dependent; 64-bit systems usually use 8 bytes.
Topic: Pointers
C Programming MCQs
Sample multiple-choice questions for C Programming (C-CAT Section B). Answers and short explanations are shown for study. The complete practice bank stays inside the app.
Sample questions
Q2. In C, `arr[i]` is equivalent to:
- A. *(arr + i) ✓
- B. *(arr) + i
- C. &arr[i]
- D. arr + *i
Explanation: Array indexing is pointer arithmetic: arr[i] ≡ *(arr + i).
Topic: Arrays
Q3. Default storage class of a local variable in C is:
- A. static
- B. extern
- C. auto ✓
- D. register
Explanation: Local variables have auto storage class by default.
Topic: Storage
Related notes
- Introduction to C Programming; C Program Structure; Data Types and Variables
- Input and Output (scanf/printf); Operators in C
- Control Flow — Conditional Statements; Control Flow — Loops
- Functions in C
- Recursion; Arrays — 1D, 2D, Multi-dimensional
- Strings in C; Pointers in C
- Pointer Arithmetic; Dynamic Memory Allocation; Structures in C
- Unions in C; Enumerations; File Handling in C
- Preprocessor Directives; Bitwise Operators
- Storage Classes; Command Line Arguments; Error Handling in C
- Sorting with C Code; C Standard Library Functions
- Templates, Generic Programming and C++17 Facilities
- Algorithm Design: Greedy, Dynamic Programming and Search
Practice more C Programming
Continue in the practice app for larger sets and timed modes.