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Fortran MCQ

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

3.0

4.5

6.0

1.5

Answer

Correct Answer: 6.0

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Which of the following statements is a valid way to open the file test.data and associate it with unit 10?

Open(10,file='test.data')

Open(10,'test.data')

Open(10,test.data)

Open(10, file= test.data )

Answer

Correct Answer: Open(10,file='test.data')

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A FORTRAN WHERE statement:

Provides the current cursor position on the terminal screen

Provides the current line number in the input file being processed

Conditionally executes one or more Fortran 90 vector (array) statements

Returns the name of the current Subroutine or Function

Answer

Correct Answer: Conditionally executes one or more Fortran 90 vector (array) statements

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A real number established with "selected_real_kind(6,30)" uses how many bits?

Answer

Correct Answer: 32

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Which of the following is an executable statement ( takes action when "a.out" is executeed)?

Dimension

Intrinsic

External

Answer

Correct Answer: Close

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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)

Not determined due to a FORTRAN syntax error

16.0

12.0

18.0

Answer

Correct Answer: Not determined due to a FORTRAN syntax error

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Which of the following is not a valid property of a PARAMETER statement?

Parameters can be set anywhere in a program

Can combine other parameters with FORTRAN arithmetic operators to compute the value of a new parameter

Parameters can be used as bounds on do loops.

Integer parameters can be used to set array dimensions

Answer

Correct Answer: Parameters can be set anywhere in a program

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The statement "read(10,end=100) mm " will:

Set the variable mm = 100 when the end of the file is reached

Branch to the statement with label 100 when the end of the file is reached on unit 10

Branch to the end of the program when a value of 100 is read from unit 10

Branch to the statement label with 100 when the struing

Answer

Correct Answer: Branch to the statement with label 100 when the end of the file is reached on unit 10

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In a FORTRAN program I have set x=1.5,i=3, and j=2. What is the value of y if:

3.5

3.0

4.0

4.5

Answer

Correct Answer: 4.0

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A number stored in Double Precision Floating Point (REAL*8) format can have at most approximately how many decimal digits of precision?

Answer

Correct Answer: 15

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