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National Open University Exam Past Question – CIT736MAY/JUNE 2012 EXAMINATION

NATIONAL OPEN UNIVERSITY OF NIGERIA CIT736: Computer Programming

14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS SCHOOL OF SCIENCE AND TECHNOLOGY

MAY/JUNE 2012 EXAMINATION

 

 

CIT736: Computer Programming

TIME ALLOWED: 2HRS

 

Instructions: Attempt any four (4) questions

 

Question 1

Write short notes on the following

 

  1. a) Machine Language (6 marks) b)        Symbolic languages (7 marks) c)         High Languages (7 marks)
  2. d) Program Control( 5 marks)

 

Question 2

Explain the following terms;

 

  1. a) Conversion Error (5 marks)

 

  1. b) Syntax Error (5 marks)

 

  1. c) Round-off Error (5 marks) d) Run-time Error (5 marks) e)  Logical Error (5 marks)

Question 3

  1. a) Enumerate five properties of a good Pro (10 marks)
  2. b) Itemize the generic format/form of the main unit of a Progra (15 marks)

 

 

Question 4

  1. a) Write briefly on Allocatable Arrays in FORTRAN (5 marks)
  2. b) Write a  simple  FORTRAN  Program  for  the  summation  and  the  product  of  three numbers.

(20 marks)

 

Question 5

What are?

 

  1. a) ARRAYS?  (7 marks)
  2. b) Static Size Arrays (6 marks)
  3. c) Dynamic Arrays 7 marks)
  4. d) The IF Statements(6 marks)

 

Question 6

Study the program below;

 

  1. a) Explain each line of c (20 marks)
  2. b) What does the program do? (5 marks)

 

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PROGRAM print_random

IMPLICIT none REAL :: r INTEGER :: i

CALL RANDOM_SEED DO i=1,5

CALL RANDOM_NUMBER(r) WRITE (6,'(f9.7)’) r

END DO

END PROGRAM print_random

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