Page 3 - KMK PREPSPM2 1819 ANSWER

SULIT No. Matrik…………………………………….… No. Kad Pengenalan………………………….. SC015

SECTION A [40 marks]
BAHAGIAN A [40 markah]
This section consists of 4 questions. Answer all questions.
Bahagian ini mengandungi 4 soalan. Jawab semua soalan.
1 (a) Describe algorithm.
[1 mark]
An algorithm is a sequence of well-defined steps to solve a problem.

(b) Solve the following problem using pseudocode.

“A data operator takes an average of 3 minutes to key in the details of
a customer into an information system. Determine the number of
customers he can process (i.e. key in data) in his daily working hours.”
[3 marks]
Start
read hour
noCustomer = hour x 60 / 3
print noCustomer
End

2 (a) Object oriented programming (OOP) is a programming technique that uses
“objects” to design the applications and computer programs.
(i) Explain two (2) characteristics of object-oriented programming.
[4 marks]
Abstraction is a process of hiding the implementation details and
showing only functionality to the user.
Encapsulation in Java is a process of wrapping code and data
together into a single unit.

(ii) Output statement is used to display output on the console.
Write an output statement that will display the message “Mark is: ”
followed by value 97.5 stored in variable mark.
[1 mark]
System.out.print("Mark is: "+mark);

(iii) Input statement is used to accept data entered by user into the
computer.
Write input statements that will accept values “Feb” and 19 and store
them in variables month and day respectively.
[2 marks]
String month = sc.next();
int day = sc.nextInt();

3 SULIT