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Top 10 sets
Beginner
1. What is Fortran?
Fortran (Formula Translation) is one of the oldest high-level programming languages, mainly used for scientific and numerical computing.
Beginner
2. Who developed Fortran?
Fortran was developed by John Backus and his team at IBM in the 1950s.
Beginner
3. What is Fortran mainly used for?
It is mainly used in scientific computing, engineering simulations, and high-performance numerical calculations.
Beginner
4. What are basic data types in Fortran?
INTEGER, REAL, DOUBLE PRECISION, COMPLEX, CHARACTER, LOGICAL.
Beginner
5. What is a program structure in Fortran?
A basic program starts with PROGRAM, followed by declarations, executable statements, and ends with END PROGRAM.
Beginner
6. What is IMPLICIT NONE?
It forces explicit declaration of all variables, preventing accidental variable creation.
Beginner
7. What is a variable declaration example?
INTEGER :: a
Beginner
8. What is PRINT statement?
Used to display output on the screen.PRINT *, "Hello"
Beginner
9. What is READ statement?
Used to take input from user.READ *, a
Beginner
10. What is an array in Fortran?
A collection of elements of the same type stored in contiguous memory.
Beginner
11. How to declare an array?
INTEGER :: arr(10)
Beginner
12. What is DO loop?
Used for iteration.DO i=1,10
Beginner
13. What is IF statement?
Conditional execution.IF (a>0) THEN
Beginner
14. What is a function in Fortran?
A block of code that returns a value.
Beginner
15. What is a subroutine?
A procedure that performs a task but does not return a value directly.
Intermediate
16. Difference between function and subroutine?
Function returns a value; subroutine does not return directly but modifies arguments.
Intermediate
17. What is MODULE in Fortran?
A program unit that contains variables, functions, and subroutines for reuse.
Intermediate
18. What is USE statement?
Used to access module contents.USE mymodule
Intermediate
19. What is recursion in Fortran?
A function calling itself using the RECURSIVE keyword.
Intermediate
20. What is dynamic allocation?
Allocating memory at runtime using ALLOCATE.
Intermediate
21. Example of ALLOCATE?
ALLOCATE(arr(100))
Intermediate
22. What is DEALLOCATE?
Frees dynamically allocated memory.
Intermediate
23. What is INTENT in subroutine?
Specifies whether argument is IN, OUT, or INOUT.
Intermediate
24. What is derived data type?
Custom data type defined using TYPE.
Intermediate
25. Example of derived type?
Answer here
Intermediate
26. What is array slicing?
Accessing part of array using colon notation like arr(1:5).
Intermediate
27. What is SELECT CASE?
Multi-branch selection statement similar to switch-case.
Intermediate
28. What is PARAMETER?
Defines constant values.INTEGER, PARAMETER :: pi=3
Intermediate
29. What is intrinsic function?
Built-in functions like SQRT(), SIN(), COS().
Intermediate
30. What is file handling in Fortran?
Using OPEN, READ, WRITE, CLOSE statements.
Advanced
31. What is Fortran 90?
Modern version introducing modules, dynamic memory, and array operations.
Advanced
32. What is Fortran 95?
Improved version with better performance and features.
Advanced
33. What is parallel computing in Fortran?
Using MPI or OpenMP for high-performance parallel execution.
Advanced
34. What is OpenMP?
API for multi-threaded parallel programming.
Advanced
35. What is MPI?
Message Passing Interface used for distributed computing.
Advanced
36. What is pointer in Fortran?
Variable that points to another variable using POINTER attribute.
Advanced
37. What is ASSOCIATED function?
Checks if pointer is associated with a target.
Advanced
38. What is PURE procedure?
A function without side effects.
Advanced
39. What is ELEMENTAL procedure?
Procedure applied element-wise to arrays.
Advanced
40. What is high-performance computing (HPC)?
Using supercomputers for large-scale scientific computations.
Coding Round
41. Print Hello World
Answer here
Coding Round
42. Add two numbers
Answer here
Coding Round
43. Factorial program
Answer here
Coding Round
44. Fibonacci series
Logic: Use loop and sum previous two numbers.
Coding Round
45. Check even or odd
IF (MOD(n,2)==0) PRINT *,"Even"
Coding Round
46. Largest in array
Loop through array and compare elements.
Coding Round
47. Reverse a number
Use MOD and integer division inside loop.
Coding Round
48. Swap two numbers
Answer here
Coding Round
49. Dynamic array allocation
Answer here
Coding Round
50. Subroutine example
Answer here