i. Computer systems are combinations of components designed to process data and store files. They are used by different types of users like home users, SOHO (Small Office/Home Office) users, power users, mobile users, and large business users. ii. Presentation software features include organization charts, rehearsing timing, photo albums, and PowerPoint shows. Common computer applications include email, web browsers, desktop publishing (DTP) software, games, and accounting programs. iii. Common network topologies are the ring topology and star topology. The star topology has advantages like easy implementation and adding new devices, and failures of individual nodes do not affect the whole network.

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26 i Computer system is defined as combination of components designed to 2 marks
process data and store files.
ii home user – uses personal computer at home for business, 2 marks for one
communication, entertainment and education computer users with
SOHO user – uses notebook or desktop computers as well as explanation
telephone, handphones and PDAs in completing their tasks and
communicating work in a small company or work as an individual at 1 mark for correct
home type of user
Power user – works with mini computers that uses design to meet the
organizational needs.
Mobile user – works on computers while they are away from their
home or main offices
Large business user – uses computers for basic business activities
such as preparing bills for millions of customers, preparing payroll and
managing thousands of item sin the inventory.
27 i Presentation software. 1 mark
Organization chart, rehearse timing, photo album, power point show...... 1 mark for one
feature
ii Email, web browser, DTP, games, accounting ..... 2 marks for 2
examples.
28. a S = ring topology 1 mark
U = star topology 1 mark
b o Easy implementation. New devices can be added to the backbone or 2 marks for 2
to the existing nodes. advantages
o Failure of a node doesn't affect the entire LAN.
o No disruptions to the network when connecting or removing devices.
o Network can easily be extended, by adding new devices to the
backbone or existing nodes.
29 i Flowchart 1 mark
Storyboard 1 mark
ii Flowchart Storyboard 1 mark for each
sketch
TITLE
Graphic Menu 1
Menu 2
Menu 3
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30 a(i) 2 marks for correct
Book Supplier table
Book ID Supplier ID
Supplier ID Supplier address
Book title Supplier name
Book author
(ii) 1 mark for correct
relationship line in
a(i)
b Many to many relationship. 1 mark
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