KNEC Craft Certificate in ICT Module 2 Structured Programming past paper july 2018 Answers

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Course Name:  Information and Communication Technology
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Course Level:  Craft Certificate
Sub Level:       Module II
Course Unit:   Structured Programming
Exam body:    KNEC
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1. With aid of a diagram, describe a stack data structure ()
2. Explain two reasons for documenting a program ()
3. A student intends to write a computer program in a C programming. Outline three application that the student would use to complete the program ()
4. Write a program in C that could compute the sum of even numbers between 1 and 100. Use while loop ()
5. Explain each of the following approaches to programming i)Monolithic b)Visual ()
6. Differentiate between logical and relational operator as used in programming ()
7. The figure 1 is a flowchart. Use it to answer the questions that follows Write a program in C language to implement the logic depicted by the flowchart ()
8. James a student at ujuzi institute created a program that used an array to store data. Outline four properties that these data store possess ()
9. Differentiate between bubble and selection sort techniques ()
10. Write a program C language that computes a factorial number ()
11. Outline four disadvantages of low level programming languages ()
12. Write a program in C language that creates a ticket data file for railway reservation with the following structure: Train number Destination Passenger name Rate ()
13. A student used a pseudocode to design a program. State two benefits that the student may realize from using this design tool ()
14. Describe the switch statements syntax as used in C programming language ()
15. Outline three reasons for unit testing in a structured programming language ()
16. Explain two error detecting methods that could be used in program development other than testing ()
17. Write a C program in C language that prompts the user to enter an integer. The program then determines whether the number is divisible by 2 and outputs the message “it’s even” otherwise “it’s odd”. ()
18. A student would like to improve the readability of a program. Outline three approaches that he could use to achieve this objective ()
19. Outline three factors to consider when selecting a programming language ()
20. An item is sold at Ksh. 100 when 5 or more are bought. Otherwise the price is Ksh.150. Write a program in C programming language that prompts the user to enter number of items bought. The program computes and displays the total price for the items ()
21. State the difference between {} and [] delimiters as used in C language ()
22. Write a program in C language that computes the area of a triangle given that height is 10 and base is 5. Hint: Area of triangle is #1/2#base x height ()
23. State three structured programming language other than C language ()
24. Outline two traversal strategies that could be used in a binary tree data structure ()
25. Write an algorithm that could be used to search an element in a one- dimensional array using binary search technique ()
26. The following C program was created by a student. Use it to answer the question that follows. # include float main() { char str[50]; int i; printf(“Enter a value :’); scanf(“%s %f”,str, &i); Printf(“\n You entered:%c %d”,str,i); return 0; } Rewrite the program correctly. ()
27. Outline three characteristics of run time errors ()
28. John created a program that used a concept of passing the parameters by values. Outline two characteristics of such a program ()
29. Tegemeo institute is made up of several autonomous departments. You have been approached to assist in a program development process. (i) Describe the most appropriate programming approach for this scenario (iii)Explain two reasons for the approach in (i). ()
30. Write a program in C that uses an array to store marks scored by student in 5 different subject namely; 50,60, 45, 70 and 58. The program then calculates and outputs that average mark ()
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