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

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Course Name:  Information and Communication Technology
Also Done By:
DIPLOMA IN ICT MODULE 1
Course Level:  Craft Certificate
Sub Level:       Module II
Course Unit:   Structured Programming
Exam body:    KNEC
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With aid of a diagram, describe a stack data structure ()

Explain two reasons for documenting a program ()

A student intends to write a computer program in a C programming. Outline three application that the student would use to complete the program ()

Write a program in C that could compute the sum of even numbers between 1 and 100. Use while loop ()

Explain each of the following approaches to programming i)Monolithic b)Visual ()

Differentiate between logical and relational operator as used in programming ()

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 ()

James a student at ujuzi institute created a program that used an array to store data. Outline four properties that these data store possess ()

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 ()