Worksheet complete set 180111

Panitia ICT SMK Kanowit 2011

Learning Area One – ICT and Society
1.1 – Introduction to ICT.
1.1.1 – Overview of ICT.
1.1.1.1 – Define ICT

ICT is defined as

Information is defined as

Communication is defined as

Technology is defined as

1.1.1.2 – Describe the brief evolution of computers

First Generation (1940-1956) Second Generation (1956 - 1963)
Technology: Technology:

Problems: Advantages:

Scientists: Scientists:

Example:

Scientist:
Third Generation (1964-1971)
Technology:

Advantages:

1


Fourth Generation (1971 - present) Fifth Generation (Present & beyond)
Technology: Technology:

Advantages:

Scientists:

Example:

1.1.2 – ICT in everyday life: Education, Industry, Banking, and Commerce
1.1.2.1 – List the usage of ICT in everyday life.

Education Industry

1. Students can use computer as references tool and 1.
browse internet for information

2.
2.

Banking Commerce

1. 1.

2. 2.

1.1.2.2 – State the differences between computerised and non-computerised systems.

Field Non- Computerised Computerised
1. Students listen mainly to 1. Students can use internet to
teacher explanation. search for information and do
not rely mainly on teacher.
Education 2. 2.

2


1. 1.

Banking 2. 2.

1. 1.

Industry 2. 2.

1. 1.

Commerce 2. 2.

1.1.2.3 – State the impact of ICT on society.

Positive Impact

Negative Impact

3


1.2 – Computer Ethics and Legal Issues
1.2.1 – Definition
1.2.1.1 – Define Computer Ethics, Code of Ethics, Intellectual Property, Privacy, Computer Crime and Cyber Law.

Computer Ethics is a

Definition:

Code of Good examples: Bad examples:
Ethics: 1. 1.

2. 2.

Computer Crimes
Intellectual property refers to
__________________________________
__________________________________
Any criminal activity ________________________
__________________________________
_________________________________________
_________________________________.
_________________________________________
These works are ____________________
There are 4 types of computer crimes:
__________________________________

__________________________________



Privacy in IT refers to

Information privacy is described as
Cyber law refers to

4


1.2.1.2 – Differentiate between ethics and law.

Definition of Ethics

Definition of Law

1.

Similarity between ethics and law

2.

Ethics Law

Keywords Explanations Keywords Explanations
As a rule to control
Moral standards computer users

Computer users are free
to follow or ignore the
codes of ethics

Must follow

Depends on country and
state where the crime is
committed

Universals

Crime

1. 1.

Examples
2. 2.

5


1.2.1.3 – State the need for Intellectual property laws

Why do we need intellectual
property law???

1.2.2 – Privacy
1.2.2.1 – List ways to protect privacy.

Privacy is threatened through …

Ways to protect
privacy

6


1.2.2.2 – State authentication and verification methods / technologies

Authentication is a process

Methods Pictures Name Functions / Explanation

Analyses the features that
exist in the coloured
tissue surrounding the
pupil.

Biometric Devices

Scanning of retina and
analyzing the layer of
blood vessels at the back
of the eye.

This method is commonly
used in bank operation
and business transactions.

7


Verification is the act of

Methods of
verification

Examples

1.2.3 – Controversial Contents and Control
1.2.3.1 – List the effects of controversial content on society (pornography & slander)

Pornography Slander

Impacts????

Examples

1.2.3.2 – Describe the process of filtering to control access to controversial contents.

Methods Website / site blocking

Uses lists of banned Rated by RSACI for the
words. content of the website.
If filter search found any Browser is set to accept
How??? words listed, it will stop pages with certain levels
downloading and block of ratings.
the page.

8


1.2.4 – Computer Crimes
1.2.4.1 – Explain the need for Cyber Law.

For:

Needs for
For: Cyber Law For:

For: For:

1.2.4.2 – Explain briefly the computer crimes: Fraud, Copyright infringement, Theft, Attacks.

Computer Crimes Definition Example

1.3 – Computer security
1.3.1.1 – Define computer security

Computer security means

9


Types of computer security

1.3.2 – Security Threats
1.3.2.1 – Explain briefly the different threats to computer security: Malicious code, Hacking, Natural disaster,
theft.

Security Threats

Malicious Code Hacking Natural Disaster Theft

Definition: Definition: Definition: Definition:

Examples: Examples: Examples:
Flood
Fire
Earthquakes

1.3.3 – Security Measures
1.3.3.1 – Select the appropriate security measures to overcome the identified computer threats
1.3.3.2 – Apply the correct security procedures: antivirus, anti-spyware, cryptography, firewall, data backup,
human aspect

Identify and write the appropriate security procedures in the SECURITY column and the security threats in the
THREATS column.
Situation THREATS SECURITY
Ahmad’s has asked his secretary,
Minah, to send an email to his
business partner in Japan. Minah
tries to read Ahmad’s email.

Every two weeks Harry would save
a copy of his files from his laptop to
his external hard disk in case his
computer breaks down.

10


One day, Karim found out his files
has been corrupted. He needs to
scan using appropriate utility.

While using the internet, Flora
founds out that some of her private
information showed up in an
unknown browser.

Daisy is a software engineer. One
day, she found out that on her
computer pops out a message that
writes “An unknown source is
trying to by-pass your security
system”
Bank safe vault is one of the
restricted areas in the office. Only
authorized personal are allow to
enter.

Questions
1. Copyright infringement is defined as a violation of the rights secured by Copyright Act.
a. Give two examples of copyright infringement.

b. Security measures are the precautionary measures taken towards possible dangers or damages.
State the appropriate security measures to overcome the identified computer threats for:
i. Data lost

ii. Hiding information.

2. Which of the following are biometric devices?
I. Hand geometry
II. Callback System
III. Retinal Scanning
IV. Signature Verification System

A. I, II and III
B. I, II and IV
C. I, III and IV
D. II, III and IV

11


Learning Area Two – Computer System.

2.1 – System Concept
2.1.1 – Overview of computer systems
2.1.1.1 – Define computer systems

2.1.1.2 – State the meaning of input, processor, output and storage.

COMPUTER SYSTEM

PROCESS STORAGE
OUTPUT
INPUT

2.1.2.3 – Describe the information processing cycle which includes input, output, process and storage.

Description of Information Processing Cycle

12


Fetch

MACHINE CYCLE

2.1.2 – Data Representation
2.1.2.1 – State the relationship of data representation: Bit, byte, and character.

_______ bits 1 byte _______ character

2.1.3 – Introductory to binary coding
2.1.3.1 – Explain the function of ASCII code

ASCII: American _______________________________________________________________________

____________________________________________________________________________________

Functions:

1.

2.

13


Criteria ASCII EBCDIC Unicode
Number of bits in a
byte

Usage

Supported languages

Example

2.1.4 – Data measurement
2.1.4.1 – State the units of data measurement.
Term Abbreviation Approx. size Exact Amount Index power
Bit -- -- -- --

Byte -- -- -- --

KB

Megabyte

GB

Terabyte

2.1.5 – Clock Speed Measurement
2.1.5.2 – State the units of clock speed measurement.

Unit used : __________________________________ = ____________ cycle per second

Term Abbreviation Cycle per second
Megahertz

Gigahertz GHz

2.2 – Hardware

Types of hardware

Motherboard

14


2.2.1 – Input Devices
2.2.1.1 – Identify the input devices used for text, graphics, audio and video

Types Picture Name Other examples
1.

Text 2.

1.

Graphics 2.

1.

Audio 2.

1.

Video 2.

2.2.2 – Output devices
2.2.2.1 – Identify the output devices used for text, graphics, audio and video
Output Device Text graphics audio video
Monitor   

Speaker

15


2.2.3 – Motherboard
2.2.3.1 – Identify the location of the central processing unit (CPU), expansion slot, expansion cards, RAM slot,
ports and connectors on the motherboard.

Ports

16


2.2.4 – Storage
2.2.4.1 – Explain types and functions of primary storage (RAM and ROM) and secondary storage (magnetic
medium, optical medium, flash memory)

Primary storage is located at _______________________________________________

What is ROM?
____________ Only Memory: memory whose contents can be accessed and read but ______________ be
changed. The memory of a ROM is ________________________ which means the program and data will not be
__________________.

Types of ROM:

PROM EPROM EEPROM

What is RAM?
Random _____________________ Memory: memory whose contents can be _________________, read and
______________. The memory of a RAM is ________________________ which means the program and data
will be __________________.

2.3.1 – Operating System (OS)
2.3.1.1 – State the various types of OS used on different platforms.

OS Platform

Example Example Example

17


2.3.1.2 – State the functions of OS

Functions of OS

2.3.1.3 – State the different interfaces of OS

18


2.3.2 – Application Software
2.3.2.1 – State the types of application software (word processing, spreadsheet, presentation, graphic)
2.3.2.2 – Describe the uses of application software.

Types Examples Functions / Usages

Word processor

Microsoft Excel
Corel Quattpro Pro
Sun StarOffice Calc

Provides pre-defined presentation format
Applying special effects to the slide transition.
Enhance text, charts and graphical images.

Edit digital non-text information such as photo
and drawings
Draw pictures using various tools such as brush
and pen
Modifying contrast and brightness
Adding special effects

2.3.3 – Utility program
2.3.3.1 – Differentiate between the types and usage of utility programmes (file managements, diagnostics, and
file compression)

Types Examples Functions / Usages
1. 1.

File managements
2. 2.

1. 1.

Diagnostics
2. 2.

1. 1.

File Compression
2. 2.

19


2.3.4 – Proprietary and Open Source Software.
2.3.4.1 - Differentiate between proprietary and open source

Criteria Proprietary Open Source
1. 1. It is Free
2.

2.
3.
Advantages
3.

1. User need to buy the product 1.
key (license key) in order to use

2.
Disadvantages
3.

1. Microsoft Office 2010 1.
Example for application 2.
software 2.

1. 1. Ubuntu
2.
Example for OS 2.

20


Learning Area 3 – Computer Network and Communications
3.1 – Basic Concepts of Computer Networks and Communications
3.1.1.1 – Define computer networks
3.1.1.2 – Define communication

Computer network is

Communication is

3.1.2 – Importance of Computer Network.
3.1.2.1 – State two importance of computer networks and communication in the following fields

Education E-Business

E-Commerce E-Banking

3.1.3 – Types of Network
3.1.3.1 - Define types of Computer network.
LAN
a. ______________ Area __________________.
b. __________________ network compare to ___________ and WAN.
c. Operated within a limited _________________________________________.
d. Devices connected usually are less than ____________________________.
e. Hardware used: ______________________________, ________________________________,
________________________________, _____________________________________.
f. Transmit data at a very _______________ speed.

a. ___________________ Area _________________________.
MAN
b. Located at ____________________ cities such as _________________________.
c. Used ____________________________________ as transmission media.
d. Can be collections of ______________.

21


a. ________________________ Area __________________________. WAN
b. ______________________ network of all. An example is __________________________.
c. Generally it covers large ______________________ such as a state, ________________ or
___________________.
d. A group of _____________ or ____________ or a mixture of ____________.
e. Uses transmission media such as _________________________________________________.
f. Need ___________________ to connect two or more network.

3.1.3.2 – Differentiate between the three types of computer network.

Criteria LAN MAN WAN
Network size

Number of computers

Transmission media types

Speed

Cost

3.1.4 – Network Architecture
3.1.4.1 – Define two types of network architecture.

Network Architecture Client/Server Peer-to-Peer

Definition

Cabling cost

Network usage

Ease to manage

Software needed

22


3.1.5 – Network Topology.
3.1.5.1 – State three types of network topologies: Bus, Ring, Star

Definition: structure or configuration of ______________________ for ____________________.

Topology Diagram

3.1.5.2 - Differentiate between the three types of network topology

Aspect Ring Topology Star Topology Bus Topology

Host failure

Node Failure

Structure

Ease of adding/removing
nodes

Ease of troubleshooting

Number of nodes when
extending network

Connection between
nodes

Host existence

23


3.1.6 - Protocol
3.1.6.1 Define Transmission Control Protocol / Internet Protocol (TCP/IP) as protocol to facilitate
communication over computer network.

Definition: Protocol is ………..

Importance of protocol:

TCP/IP:

3.1.7 – Internet, Intranet, Extranet.
3.1.7.1 – Describe the types of network communications technology (Internet, Intranet, Extranet)

Criteria Internet Intranet Extranet

Definition

Usage

Services

Accessibility

Security

24


3.2 – Hardware Requirements
3.2.1 – Devices
3.2.1.1 – Identify the function of the devices needed in computer network communication.
3.2.1.2 – State the function of the devices needed in computer network communication.

Diagram Device Name Function

Diagram Device Name Function

From router

To
MODEM

25


3.2.2 – Medium
3.2.2.1 – Identify various types of cables such as Unshielded Twisted Pair (UTP), Shielded Twisted Pair (STP),
Coaxial and Fibre Optic Cable.

3.2.2.2 – Identify various types of wireless transmission media.

1

2

3

4

3.3 – Software Requirements.
3.3.1 – Server Software
3.3.1.1 – Define Network Operating System.

 Network Operating System or known as __________ allows to ____________________ computers
and peripheral to a ______________________________.
 Most frequently used with ______________ and ____________________ but also have application
to larger _____________________________________________.
 It is not the same as the ____________________________________________ provided by some
existing __________________________________________.
 It is specifically written to keep __________________________ running at
__________________________________________________.

26


3.3.1.2 – Name various Network Operating System Software.

1. Window NT

2. N
3. O
S
4.

3.3.2 – Client Software
3.3.2.1 – State the functions of various client software.

Client Software Function Example
1. 1. Internet Explorer (IE)

2. 2.
Web Browser

3. 3.

1. 1. Outlook Express

E-mail client
2.

1. 1. Ping

Network Utilities
2. 2.

1. 1. Network
Neighbourhood
Network File Manager 2.
2.

27


3.4 – Setting Network Facilities
3.4.1 – Installation of Network Interface Cards (NIC)

This is a

Step 1a: Place your
___________________________________
in the PCI of your computer

Step 1b: Window will
____________________ that it has found
new hardware

Step 1c: The “Found New Hardware
Wizard” will then ___________________.
Click __________ to continue

Step 2a: Select “CD-ROM Drives” and click
“Next” to ________________. Window will
find suitable _____________ for your device.

28


Step 2b: The NIC driver is now properly
installed. __________________ the
computer to complete the installation.

3.4.1.2 – Install drivers for NIC (for WinXP)

Step 1: Windows will indicate a new
hardware found after the NIC has been
inserted into its slot. Click Next to continue.

Step 2: Select “Search for the best driver
for my device (recommended)” and click
“________________” to continue

Step 3: Select “CD-ROM Drives” and click
“Next” to continue. Windows will now search
for the best driver for your device.

29


Step 4: Windows will locate the correct
driver for your device and indicate that it is
now ready to install the driver. Click “Next” to
continue.

Step 4: The NIC driver is now properly
__________________________.

3.4.2 – Cable Crimping and Testing
3.4.2.1 – Crimp and test UTP cable (Straight / crossed cable).

2 types

From PC to PC From PC to hub/switch/router

TOOLS

30


3.4.3 – Configuration and Testing Network.
3.4.3.1 – Configure the work station to join a Local Area Network: IP address, Subnet Mask, Server name. Test
the network connection.

IP is _________________________________________________________.
Subnet mask specifies __________________________________ of the network.
_________________________________ are used to connect other network and the
_____________________________________________

3.4.3.2 - Steps to test a network connection:

1.

2.

3.

4.

3.4.4 Share Data
3.4.4.1 – Create a share folder.

1.

2.

3.

4.

31


Questions
1. Figure 1 shows a network configuration.

INTERNET

PC 1
IP address: 192.168.1.5 PC 2
Subnet Mask: 255.255.253.0
IP address: 192.168.1.5
Gateway: 192.168.1.1
Subnet Mask: 255.255.253.0
Gateway: 192.168.1.1
ADSL MODEM
IP address: 192.168.1.1
Subnet Mask: 255.255.255.0 Figure 1

a. Based on Figure 1, explain why PC 1 and PC 2 are not able to communicate with each other.
[4 marks]

b. Re-configure by drawing the network so that PC 1 and PC 2 can communicate with each other. Then
filled the table below for the new configuration.

Computer IP address Subnet Mask
PC 1
PC 2

2. Computer A Computer B Computer C
ADSL MODEM
IP address: 192.168.1.36 IP address: 192.168.1.110 IP address: 192.168.1.36
IP address: 192.168.1.1
Subnet Mask: 255.255.255.0 Subnet Mask: 255.255.255.0 Subnet Mask: 255.255.250.0
Subnet Mask: 255.255.255.0
Gateway: 192.168.1.1 Gateway: 192.168.1.1 Gateway: 192.168.1.1

Figure 2
a. Figure 2 shows three computers connected through a school LAN. Based on the figure, identify the
computers that able to communicate with each other. Justify your answer. [ 3 marks]

32


b. There is one computer that unable to communicate with the other computer in the network.
Identify that computer. Then identify the problem and re-configure the computer so that it can
communicate with the other computers in the network. [3 marks]

3. SMK Sri Bahagia has been given new equipments for the school computer laboratory as in Table 1.

20 desktops 1 modem
1 switch 1 router Table 1
LAN cables A server

Based on Table 1, answer the following questions.
a. As the school network administrator, you are asked to suggest a suitable network topology to Pn.
Malsiah, the school principal. Justify your answer. [4 marks]

b. You are also asked to suggest a suitable network architecture. Justify your answer. [3 marks]

4. Your friend, Mr. Ali is looking for your advice on the network communication technologies that he wishes to
set up in his company.
a. Give 2 advantages and 2 disadvantages of the two network communication technologies. [4 marks]

b. Give 2 services, with the examples, provided by the internet to Mr. Ali. [ 4 marks]

33


Learning Area Four – Multimedia
4.1 – Multimedia Concepts
4.1.1 – Definition of Multimedia
4.1.1.1 – Define multimedia

Multimedia is a

4.1.2 – Multimedia in various of fields
4.1.2.1 – Identify the use of multimedia in various fields

Fields Example Usage

Education

Business

Art

Medicine

4.1.3 – Interactivity of multimedia
4.1.3.1 – Differentiate between the characteristics of linear and non-linear multimedia.

Interactivity refers to

Types File format Example
Text Notepad, Microsoft Words
Audio

Video *.mov, *.avi

Animations

Graphics Paint, Photoshop

34


Linear Criteria/Characteristics Non-Linear

User interaction with application

User control over the application

Application flow / arrangement

Example

4.1.4 – Medium of delivery
4.1.4.1 – Compare and contrast the mediums of delivery for multimedia applications.

Medium of delivery

Application Quality

Production Time

Production Cost

Up-to-Date

4.1.5. – Multimedia Elements
4.1.5.1 – Identify the multimedia elements

35


4.2 – Hardware and software
4.2.1 – Hardware
4.2.1.1 – Identify the hardware that can be used to produce multimedia products.

4.2.2 – Editing Software
4.2.2.1 – Identify editing software that can be used to be produce multimedia elements

Example:
Text editor

Example:
Graphics and image editor

Example:
Audio editor

Example:
Video and animation editor

4.2.3 – Authoring Tools
4.2.3.1 – Define the various concepts in authoring tools

Criteria Time Frame Concepts Icon Concepts Card Concepts
Concepts Uses visual icon in a
structural framework
Way of presentation Uses frames that
represents the time
Special features Pages are arranged like
stack of cards
Examples Adobe flash

36


4.2.4 - Web editor
4.2.4.1 – Describe and give examples of web editors

Text-based:

Example:

What You See Is What You Get (WYSIWYG):

Example:

4.3 – Multimedia development
4.3.1 – User interface Principles
4.3.1.1 – State the user interface principles
4.3.1.2 – Apply suitable user interface principles in a project

Match the user interface principles with the correct statements
Consistency Can move around the system: menus, help
Clarity Enable user to search keyword or glossary

Context Make their own personal learning

Navigation Harmony and same applies to all screen
Search Clearness of labels on all icons
Personalisation Provides support system / help files

Learnability Can navigate through all sections without limitation

Flexibility Each part should be relevant to the title

4.3.2 – Development Team
4.3.2.1 – State the role of each member in a development team.

Multimedia
Production Team

37


Multimedia
Specialise in Scope of work
Production Team
Project Manager Leading the multimedia team

Research on the content of a
multimedia program

Graphics editing

Audio-video
technician

Educational strategies and planning

Writes program codes (scripting)
Combines the multimedia elements

4.3.3 – Multimedia production phase
4.3.3.1 – Describe the phases in multimedia productions

38


Multimedia production
Descriptions Example of activity
phase
Interview clients to find out their
needs
Write problem statement and
proposal

Ali uses flow chart draft the flow
of his multimedia application.
Ali uses storyboard to sketch the
interface of the page.

Implementation phase

A checklist is used to test the
multimedia program.
It is also to fix any error found.

James chooses a group of
selected users to evaluate and
give feedback to his multimedia
program using Evaluation Form.

Publishing phase

Match the screen design principles with the correct statement

Contrast Usage of different types of multimedia elements

Simplicity Arrangement of the elements

Proximity Simple and easy way of presentation

Repetition Concept of grouping similar elements

Alignment Create a focus point on the screen

Emphasis Concept of repetition the same texture, colour, size and font

39


Questions

1. Halim has listed a number of things he should do to complete a multimedia project entitled “My school” as
shown in Table 1. He uses authoring tool software to make his project more effective and interesting.

Collect pictures of the school, hostels, classes, field and canteen.
Modify the school badge image so that it can be animated.
Record the school anthem.
Insert the school objectives, motto and school history into different screens.

Note: Files to be used are hostel.bmp, principal.jpg, bagde.gif and song.mp3

Table 1
Based on Table 1,

I. What is the name of the animated file used by Halim?

II. Halim wants to record his voice as background narration. Give one suitable device to carry out this
task.

III. Name two missing multimedia element that is not in the files used by Halim.

IV. From your answer in 1 (c), give one suitable file extension for each elements you have mentioned.

2. Study the following table carefully. Then answer the questions based on Table 2.

Phase Description
The multimedia developers interview the client to find out their needs and write the
X
problem statement and a proposal.
Y The multimedia developers will design a flow chart and storyboard.
The multimedia developers will use a checklist to test the multimedia program. If there are
Z
errors, he will fix the program.
Table 2
a) Identify phase X, Y and Z.

b) From your answer in 2 (a), what are the missing phases?

c) State one example activity for each of the missing phases from your answer in 2 (b).

3. User interface principles are:
I. Clarity
II. Colourful
III. Consistency
IV. Wide screen

A. I and II
B. II and IV
C. I and III
D. III and IV

40


Learning Area Five – Programming.

5.1 – Basic programming concepts
5.1.1 – Define program and programming language
5.1.1.1 – State the definition of program

A computer program is

5.1.1.2 – State the definition of programming language

A programming language is

5.1.2 – Levels and generations of programming language

Level of programming
language

Low-level programming
language

Example: Example:

High-level programming
language

Example: Example: Example:

41


5.1.3 – Programming Language Approaches
5.1.3.1 – Define structured approach in programming

Approach: Programs are drawn in
Structured approach ____________________

Smaller sections of each A program may have a Example of structured
programming languages:
program are known as __________________ or several
_____________________ ________________________

Beneficial for:

5.1.3.2 – Define object-oriented approach in programming

Approach: The object have
Object-oriented
approach _____________________
with one another

Beneficial for:
Combines ____________
Example of structured
with functions to create
programming languages:
____________________

5.1.3.3 – Differentiate between structured approach and object oriented approach in programming

Structured approach Differences Object-oriented approach

Uses

Emphasize

Suitable for

42


5.1.4 – Translator
5.1.4.1 – Describe the translation method of programming using assembler, interpreter and compiler

Translator

Is a computer program that
Example of assembler:

Assembler

Translator method: It is interpreted and executed in

Interpreter ______________________ when the
user execute it

Execute ____________ by _________ Example:
until the end of the program.

Weakness:

Translator methods:

Compiler

Advantages: Example:

43


5.1.5 – Basic elements in programming

Basic Elements

5.1.5.1 – Differentiate between constants and variables

Constant Differences Variable
The value may change at any time
Characteristics during the course of the program

Usage

1. Const Pi = 3.142 1. Dim Speed as Integer
2. Const Speed = 30
2.
Example
3.
(declaration in Visual Basic 6)
3.
4.

5.1.5.2 – Differentiate between data types: Boolean, integer, double, strings and date

Data types Description Example
Integer

Any number value that may and could contain a
fractional part.

“Kuala Lumpur”
“23 is larger than 20”
“Today is Monday”
Consists of a TRUE or FALSE value. It is usually used
to store status

Contains date and time value

44


5.1.5.3 – Differentiate between mathematical and logical (Boolean) operators.
Operators Functions Operators Example
Mathematical
+, -, ,

Logical operators perform logical
operations such as checking the
condition of two Boolean values

Extra:
Operators Description Operator Example
A>B
C >= D

5.1.5.4 – Differentiate between sequence control and selection control

Identify the types control structure below.

BEGIN
BEGIN

END
END

Differences

Execution flow

Usage

Symbols difference

45


5.2 – Program Development
5.2.1 – Program Development phases
5.2.1.1 – Describe the five main phases in program development

Phases of Program Development

Coding

Multimedia production
phase
needs
proposal

Coding Phase

46


Questions
1. Wan Mazlan is a programmer. He had made a program that can tell the user whether they can enter an
entertainment park or not. The following are the source code.

if height_boy > 162 then enter = TRUE

if height_girl > 155 then enter = TRUE

else,

enter = FALSE

Figure 1
Based on the programming above, answer the following questions.
a. (i) Can height_boy and height_girl be declared as constant?
(ii) Justify your answer. [3 marks]
b. (i) Identify the data types used
(ii) Give one difference for the data types you have mentioned in b(i). [4 marks]

2. Figure 2 (a) is the source code while 2(b) is the flow chart for the ICT Result program.

Private Sub CommandCheck_Click()
Dim marks As Double, response As String

marks = TextMark.Text

If (marks >= 50) Then
response = MsgBox(“You have pass your ICT examination”, vbOKOnly, “Pass”)
Else
response = MsgBox(“You have fail your ICT examination”, vbOKOnly, “Fail”)
End If

End Sub

Figure2(a)

Begin

Request marks

No
>= 50? Print “You have fail
your ICT examination.”

Yes

Print “You have pass
your ICT examination.”

End

Figure 2 (b)
47


Based on Figure 2(a) and 2(b), answer the following questions:
i. States which phase comes after the process in Figure 2(a).
ii. Design the output interface for both of the outcomes. [7 marks]

2. Find the correct pair of data types.
A. Const Height = 123.8 (Integer)
B. Const Members = 34233 (Double)
C. Const Input_Status = TRUE (Currency)
D. Const Address = “Kuala Lumpur” (String)

3. Study the flow chart below carefully.

Begin

Request numbers
of working days.

Calculate total salary:
(RM 12.50 x number of working
days)

Print total salary

End

Diagram 3

Based on Diagram 3, answer the following questions:

i. There are mistakes in the flow chart above. Identify them by re-drawing with the correct symbol.
[2 marks]
ii. What is the outcome of the salary if:
a. The number of working days is six (6) days? [1 mark]
b. The salary is now RM 15 and the working days are five (5) days? [1 mark]

48


Learning Area Six – Information Systems
6.1 – Concepts of Information Systems
6.1.1.1 – Give the meaning of data, information and information systems.

Data Information Information System

Definition Definition Definition

6.1.2 – Usage of information systems in various fields
6.1.2.1 – State the usage of information system in education, business and management.

Fields
1.
Education 2.

1.

Business 2.

1.

Management 2.

6.1.3 – Information System Components
6.1.3.1 – List the Information System components
6.1.3.2 – Define each of the Information System components

Hardware Procedure
End users who uses
the system and
information system
personnel who
creates the system.

49


6.1.3.3 – Describe the interrelation between information system components using a diagram.

Software

Description:

6.1.4 – Types of Information Systems
6.1.4.1 – List five types of Information systems
6.1.4.2 – State the usage of each types of information system.

Usage:

Usage:

Types of
Usage:
Information
System

Usage:

Usage:

50


6.1.5 – Hierarchy of Data
6.1.5.1 – Define bit, byte, field, record and file

Bit

Byte

Field

Record

6.1.5.2 – State the hierarchy of data

Fields

6.2.1.1 – Define database and Database Management System (DBMS)

Database

51


Provides an interface between the database and the user

Database
Management
System

6.2.1.2 – List the benefits of using database

Benefits of
using
database

6.2.2 – Features
6.2.2.1 – State the relationship between attribute (field), row (record) and relation (file)

Field Specific category of information in a table.

Record

File

Name Age Class
Amirullah 13 1A
Sarah 15 3C
Chai Leng 16 4S1

52


6.2.2.2 – Define the primary key and foreign key

The field that ___________________________________________________
Primary key??? It must not have __________________ value.
Each table must have at least ____________ primary key.
It is also known as ___________________________.

The field that ___________________________________________________
Foreign key??? It can have __________________ value.
It is ______________________________________ in other tables.
It is also known as ___________________________.

6.2.2.3 – State the importance of the primary key.

6.2.2.4 – Differentiate between the primary key and foreign key.

Primary key Property Foreign key
Usage
Null value
Duplicate

6.2.2.5 – State the importance of the relationship between the primary key and foreign key.

6.2.3 – Database Objects
6.2.3.1 – Define the following database objects / tools: Table, form, query, report

Database Object Definition

Table

Form

Query

53


Report

6.2.4 – Data Manipulation
6.2.4.1 – List the basic operations of data manipulation
6.2.4.2 – State the usage of basic operations in data manipulation

Basic operation of data
Usage
manipulation

Sort

To remove record(s) from the database

Filter

6.3 – Database Development
6.3.1 – Phases of System Development
6.3.1.1 – Describe the phases of System Development

System Development
phase
needs
proposal

Ali chooses the data he has
collected during his interview.
Ali draft out the table contains
necessary data.

54


Implementation phase

It involves the system developer
and users
It is to ensure the quality of a
database.

James documents all the
information from source code to
user manual to troubleshooting
information.

Involves three types of
maintenance:
o
o
Maintenance phase
o

55


Questions
Table 1 shows two tables created in COCU Information System at SMK Dato’ Setia. Figure 2 shows a Simple
Query Wizard. Figure 3 shows a query design to retrieve information based on a certain criteria.

Table 1 Figure2

Figure 3

a) Based on Table 1 and Figure 2, state one more field that should be moved to the list P in Figure 9 to view
the grades of the co curriculum activities for each student. Justify your answer. [3 marks]
b) Based on the query design in Figure 10, complete the query result below to show the information
obtained. [ 3 marks]

Class Stu_ID Name Position CoCu

c) Based on Table 1, Figure 2, and Figure 3, state the name of the phase in System Development. Justify
your answer. [3 marks]

56

Worksheet complete set 180111

Recommandé

Recommandé

Contenu connexe

Tendances

Tendances (20)

En vedette

En vedette (20)

Similaire à Worksheet complete set 180111

Similaire à Worksheet complete set 180111 (20)

Dernier

Dernier (20)

Worksheet complete set 180111