6044Q2 SPECIMEN SOFTWARE ENGINEERING

Extracted Content: 6044Q2 SPECIMEN SOFTWARE ENGINEERING

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ZIMBABWE SCHOOL EXAMINATIONS COUNCIL

General Certificate of Education Advanced Level

SOFTWARE ENGINEERING 6044/2

PAPER 2 Practical

SPECIMEN PAPER 3 hours

Additional materials:
Answer paper
CD

TIME 3hours
INSTRUCTIONS TO CANDIDATES
Answer all questions in Section A and any three in Section B.

All answers should be printed. Handwritten answers will not be marked.
This is a purely practical paper.
Each answer sheet should include the following information in the header.

e Candidate name
e Candidate number and centre number
e Subject code

All work should be backed up by a soft copy ona CD.
If you print more than one sheet, fasten them together.
For each programming question, indicate the language used.

INFORMATION FOR CANDIDATES

The number of marks is given in brackets [ ] at the end of each question or part question.

Y ou are reminded of the need for good English and clear presentation in your answers.

This question paper consists of 5 printed pages and 3 blank pages.

Copyright: Zimbabwe School Examinations Council, Specimen Paper.
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(a)

(b)

2
Section A (40 marks)

Answer all questions in this section.

Using a word processing application write a psudocode which enters a password. It
should allow a maximum of three entry chances. [5]

Dry-run the algorithm to show the results for :

@ correct password first attempt; [1]
(ii) — wrong password first attempt;
(iii) —_ three wrong attempts. [2]

Save and print the document

Using suitable design tool or application software of your choice draw a flow chart to
show how you would sort a list of 10 numbers using bubble sort.
Print and save the document. [10]

A supermarket needs to develop an online shopping software to capture customer details and
product inventory. The customer will supply personal details on each purchase. The system
will generate a customer reference number. A sales clerk will generate sales details daily
based on the daily purchases. A weekly sales report is supplied to the manager.

(a)

(b)

With the aid of software design tools illustrate the above scenario using a context
diagram.
Save and print the document. [10]

Use your answer in (a) to develop a level one data flow diagram, highlighting

validation and verification process.
Save and print the document. [10]

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3 Section B (60 marks)

Answer any three questions in this section

A prime number is a number that cannot be divided by other numbers other than itself, and1.
Examples are 2,3,5,7,11,13 and 17.

Using a programming language of your choice, design an interface and write a program
which can test whether a number entered by the user is a prime number or not.

Save your work.

(a) Print your interface showing results for

@ 41, [5

Gi) 31. [5
(b) Print the source code. [10
The following is an online form used to capture details of learners who have interest in

applying for a scholarship.

HEA DING

FULL NAME

FIRST NAME LAST

E MAIL

SUBJECTS
SOFTWARE ENGINEERING Vv

YOUR MESSAGE

SUBMIT

Develop a program for this design using a web based application.
Save and print the interface and source code. [20]

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4 6. A school wishes to develop a database to store student details and records. The tables below

show data to be stored.
Student Details
NAME SURNAME | STD SUBJ ECT AGE CLASS
MOSES JOHNS 4321 HUMANITY 17 5A
TONDERAI JAMES 4392 SCIENCE 19 5B
MONICA MARIRA 4933 SCIENCE 17 5A
MARIA SADZA 4322 PRACTICAL | 18 5C
JAMES JOHNS 4320 HUMANITY 20 6B
Parent Details
NAME SURNAME | PARENT ID | STDID PROFF GENDER
AMOS SADZA 14398 4322 TEACHER MALE
MOSES JOHNS 14698 4320 DOCTOR MALE
MONICA JAMES 14699 4392 TEACHER FEMALE
MOLLY MARIRA 14793 4933 NURSE FEMALE
MOSES JOHNS 14698 4321 DOCTOR MALE
Using a database application of your choice

@) @ Create a database. [3]

(ii) Create a table with student details and a table with parent details.
Print the design structure of the student details table showing
length of field
key field. [2]

(b) Produce a list of students who are in the same class and are of the same age.
Save and print the list as “student list”. [2]

( Create a report on the names ID and class of the learners who do sciences
whose parents are teachers.

@
(i)
(iii)

Produce a print screen showing the search criteria.

Save and print the report as “teachers — child”.

[2]

[1]

Provide the print screen showing the relationship between the two

tables.

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(d)

(e)

5

Normalise the parents details table up to 2™ normal form.
Show all the normalisation stages.
Print. [4]

Using a web application of your choice.

@ Create an interface to allow a user to make entries for student details.
Print. [2]

(ii) Link the database to the application in (i) and show the steps
followed. Print the document. [3]

Below is a form showing traffic lights.

Traffic light

Green

Amber

Red

Write a program to simulate traffic lights. Set your time at 2 seconds.

(a)
(b)

Print the interface with the amber light enables [6]

Save and print the source code. [14]

The Body Mass Index or (BMI) of a person is based on the body weight and height.
BM is calculated using the formula weight /(height)? where weight is
measured in kilogrammes and height in metres.

(a)

(b)

Using a function design an interface and write a program to calculate the
BMI of a person. Use a programming language of your choice.
Save and print the source code. [BMI = why] [12]

Print an interface showing BMI for weight of 70kg and height of 1,5 m. [8]

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