2. Answer Scheme
Section B
(20 Marks)
26.
a)
i. The internet filtering method used is Site blocking. [1m]
ii. Keyword Blocking/Web rating System [1m]
-choose any related answer-
b) Keyword Blocking
- List of banned words or objectionable terms. [1m]
Web Rating System
- Browser set to only accept pages with certain levels of ratings. [1m]
- Rating done either by the web page author or by the independent bureau. [1m]
-choose any related answer-
27.
a)
i. X : Operating System [1m]
ii. Z : Proprietary Software [1m]
b) Function of X :
- Starting a computer
- Managing data and programs
- Managing memory
- Configuring devices
-choose any two related answer- [2m]
28.
a) Star Topology [1m]
: because the system has switch [1m]
b) Differences between star topology and ring topology
Star Topology Ring Topology
Structure There is a central host
and all nodes connect to
it.
All computers and other
devices are connected in a
circle.
Host existence Yes Depends on network
needs.
Connection between
nodes
No Yes
Node failure Network can still run Network will fail
1 mark for any correct pair. Answer must be in pair form. Answer could be in table form or
paragraph. Choose any two related answer. [2m]
3. 29.
a)
i. Text-based [1m]
ii. WYSIWYG [1m]
b)
- User friendly –does not require any HTML knowledge
- It is easier for an average computer user
- Easy to insert a specific tag
- Can visualize the design
-choose any two related answer- [2m]
30.
a)
i. X : Compiler [1m]
ii. Y : Interpreter [1m]
b) Differences between X and Y
X (Compiler) Y (Interpreter)
Translate statement line by line and execute it
immediately.
Translate entire programming statement at
one time and executes.
Store machine language as object code on the
disk.
No object code is created or saved.
1 mark for any correct pair. Answer must be in pair form. Answer could be in table form or paragraph.
[2m]
4. Answer Scheme
Section C
(14 marks)
31.
a)
i. Create two tables
BOOK SUPPLIER
Book ID
Book Title
Price
Supplier Registration Number
Book ID
Supplier Name
Supplier Address
[1m] [1m]
-Students can get 1 mark if fields in both tables are not same as above-
ii. Table for book : BOOK [1m]
Table for supplier : SUPPLIER [1m]
-It could be any name of table but must according the answer in a(i)-
b)
i. Primary key for book table : Book ID
Primary key for supplier table : Supplier Registration Number
-Students must state the primary key for each table to get 1 mark- [1m]
ii. Create relationship between the tables and state the type of relationship.
BOOK SUPPLIER
Book ID
Book Title
Price
Supplier Registration Number
Book ID
Supplier Name
Supplier Address
Type of relationship : one-to-many
-The answer must according answer in (a)- [2m]
Create relationship between the tables and state the type of relationship.
b. ii)
SUPPLIER BOOK
Supplier Registration Number
Supplier Name
Supplier Address
Book ID
Book Title
Price
Supplier Registration Number
Type of relationship : one-to-many
5. 32.
a)
i. L is information processing cycle. [1m]
ii. Y are RAM, ROM, hardisk, pendrive, CD, DVD, removable disk
-Choose any two answer- [2m]
b) Explain process L
- An Input device feed raw data to the processor. [1m]
- X processes raw data and turns it into useful information. [1m]
- Y keeps or stores both process and unprocess data for later usage. [1m]
- An output device shows or display the processed data. [1m]
6. 33.
a) Type of network communication technology used between Central Site and Customer Site :
- Extranet [1m]
b) Type of network communication technology Z use in Central Site :
- Z – Intranet [1m]
- It’s a private network that limited for employee only
Or
- It’s an internal network that uses Internet technologies and it is a small version of the Internet that
exists within an organisation.
-Choose any related answer- [1m]
c) Two differences between network communication technologies Z and network communication technologies
between Central site and Customer site
Technologies Z [ Intranet ] Extranet
Is used for organization and employees
only.
Is used for supplier, customer and business
partner.
Security level is high. Security level is high and it used Virtual
Private Network to communicate.
-2 marks for any correct pair. Answer must be in pair form. Answer could be in table form or
paragraph.- [4m]
7. 33.
a) Type of network communication technology used between Central Site and Customer Site :
- Extranet [1m]
b) Type of network communication technology Z use in Central Site :
- Z – Intranet [1m]
- It’s a private network that limited for employee only
Or
- It’s an internal network that uses Internet technologies and it is a small version of the Internet that
exists within an organisation.
-Choose any related answer- [1m]
c) Two differences between network communication technologies Z and network communication technologies
between Central site and Customer site
Technologies Z [ Intranet ] Extranet
Is used for organization and employees
only.
Is used for supplier, customer and business
partner.
Security level is high. Security level is high and it used Virtual
Private Network to communicate.
-2 marks for any correct pair. Answer must be in pair form. Answer could be in table form or
paragraph.- [4m]