1. Which of the following is not a valid property of a PARAMETER statement? |
| Can combine other parameters with FORTRAN arithmetic operators to compute the value of a new parameter |
| Parameters can be set anywhere in a program |
| Integer parameters can be used to set array dimensions |
Parameters can be used as bounds on do loops.
|
2. For the following FORTRAN operations give the rank from fastest to slowest in terms of computer time required |
| x*0.5 |
| x+0.5 |
| x**0.5 |
sqrt(x)
|
3. Which of the following is not a valid property of a PARAMETER statement? |
| Can combine other parameters with FORTRAN arithmetic operators to compute the value of a new parameter |
| Parameters can be set anywhere in a program |
| Integer parameters can be used to set array dimensions |
Parameters can be used as bounds on do loops.
|
4. 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 ? |
| 8.0 |
| 12.0 |
| 16.0 |
64.0
|
5. In a FORTRAN program I have set x=1.5,i=3, and j=2. What is the value of y if: |
| 3.0 |
| 3.5 |
| 4.0 |
4.5
|
6. 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 |
| 1.5 |
| 3.0 |
| 4.5 |
6.0
|
7. 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) |
| 12.0 |
| 16.0 |
| 18.0 |
not determined due to a FORTRAN syntax error
|
8. After compiling the FORTRAN statement: y = c/d + a*x**2-5 Which operation is performed first by the computer? |
| / |
| + |
| * |
**
|
9. For the following FORTRAN operations give the rank from fastest to slowest in terms of computer time required: 1)x*0.5 2)x+0.5 3)x**0.5 4)sqrt(x) |
| 1-2-3-4 |
| 1-2-4-3 |
| 2-1-3-4 |
2-1-4-3
|
10. On the Hammond machines, a single percision floating point (REAL*4) number uses how many bits of memory? |
| 4 |
| 7 |
| 15 |
32
|
11. A number stored in Double Precision Floating Point (REAL*8) format can have at most approximately how many decimal digits of precision? |
| 3 |
| 7 |
| 31 |
15
|
12. A real number established with "selected_real_kind(6,30)" uses how many bits? |
| 4 |
| 6 |
| 30 |
32
|
13. What is the first number in the following list that can not be represented with a Fortran INTEGER*4 ( the default setting on the Hammond machines )data type? |
| 0 |
| 1025 |
| 2,000,000 |
2,000,000,000,000
|
14. What is the first number in the following list that can not be represented with a FORTRAN REAL*8 ( Double Precision ) variable? |
| -3.0*1050 |
| 3.0*101000 |
| 3.0*10-80 |
3.0*10100
|
15. Which of the following is an "executable" statement (takes an action when "a.out" is executed)? |
| ALLOCATE |
| DIMENSION |
| EXTERNAL |
PARAMETER
|
16. Which of the following is an executable statement ( takes action when "a.out" is executeed)? |
| INTRINSIC |
| DIMENSION |
| EXTERNAL |
CLOSE
|
17. A FORTRAN WHERE statement: |
| Provides the current line number in the input file being processed |
| Returns the name of the current Subroutine or Function |
| Conditionally executes one or more Fortran 90 vector (array) statements |
Provides the current cursor position on the terminal screen
|
18. The statement "read(10,end=100) mm " will: |
| branch to the statement with label 100 when the end of the file is reached on unit 10 |
| branch to the statement label with 100 when the struing "end" is read from unit 10 |
| branch to the end of the program when a value of 100 is read from unit 10 |
Set the variable mm = 100 when the end of the file is reached
|
19. Which of the following statements is a valid way to open the file test.data and associate it with unit 10? |
| open(10,test.data) |
| open(10,'test.data') |
| open(10, file= test.data ) |
open(10,file='test.data')
|
20. On the Hammond machines, a single percision floating point (REAL*4) number uses how many bits of memory? |
| 4 |
| 7 |
| 32 |
15
|
