Wednesday 2 September 2015

Fortran Online Quiz Questions And Answers

21. What are the basic datatypes in Fortran?
A. Integer, Real, Double Precision, Character
B. Integer, Real, Character, Logical
C. INteger, Real, Complex, Character
Ans: B

22. In which column does the code start in Fortran 77 fixed format?
A. 6
B. 9
C. 7
Ans: C

23. What signals a comment in Fortran 95?
A. An exclamationmark ! anywhere on the line
B. A C in column one
C. An asterisk * in column six?
Ans: A

24. How can we continue source code from one line to the next in Fortran 95?
A. by an asterisk * in column 6
B. An ampersand & at the end of a line
C. By using brackets
Ans: B

25. What is the purpose of a number in column 2 to 5 in Fortran 77 fixed format
A. A jump label or format label
B. Just a jump label
C. Just a format label
Ans: A

26. Which of the following is not a valid property of a PARAMETER statement?
A. Can combine other parameters with FORTRAN arithmetic operators to compute the value of a new parameter
B. Parameters can be set anywhere in a program
C. Integer parameters can be used to set array dimensions
D. Parameters can be used as bounds on do loops.
E. Can be passed as arguments to subroutines
Ans: B

27. In a FORTRAN program I have set x=2.0, a=2.0 and b=4.0. What is the value of y if: y = a*x+b**2/x ?
A. 8.0
B. 12.0
C. 16.0
D. 32.0
E. 64.0
Ans: B

28. In a FORTRAN program I have set x=1.5,i=3, and j=2. What is the value of y if:
y = 2*x + i/j
A. 3.0
B. 3.5
C. 4.0
D. 4.5
E. 5.0
Ans: C

29. In a FORTRAN program x=4.5, y=3.0, and w=1.5, What is the value of z if: z = x+w/y+1
A. 1.5
B. 3.0
C. 4.5
D. 6.0
Ans: D

30. not determined due to a Fortran Syntax error
In a FORTRAN program x=1.0, y=2.0 and w=3.0. What is the value of z if:
z=2.0(x(y+3.0)+w)
A. 12.0
B. 16.0
C. 18.0
D. 22.0
E. not determined due to a FORTRAN syntax error
Ans: E

31. After compiling the FORTRAN statement:
y = c/d + a*x**2-5
Which operation is performed first by the computer?
A. /
B. +
C. *
D. **
E. -
Ans: D

32. When using vi, which of the following commands will delete a full line?
A. d
B. dd
C. dl
D. r
E. x
Ans: B

33. The command " man ls > more " will:
A. Provide help on the command "ls" as text in a file called "more"
B. Provide help on the command "ls" viewed with the utility "more"
C. Provide help on commands alphabetically between ls and more
D. Provide a more detailed help on the command "ls" than is usually given
E. Result in a system message: "Command not found"
Ans: A

34. When working on a Unix workstation without any special aliases, which of the following commands should be used to delete a file?
A. del
B. dd
C. df
D. rf
E. rm

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