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Question 1:
a) What is the difference between a non-impact and impact printer?
b) Which type of printer is generally used in a supermarket to print your receipt? Describe the reason for this choice?
c) Differentiate between application software and system software.
d) List tasks that are commonly performed by an operating system.
Question 2:
a) Describe the term ‘Database Management System'.
b) Differentiate between a primary and a foreign key. Provide an appropriate example to illustrate your answer.
c) What are the basic benefits of using a relational database management system?
Question 3:
It is decided to implement a software solution in your organization. However, the manager could not decide whether to develop the software by a local firm or to purchase a ready-made software package.
To help the manager, you are required to elaborate on FIVE advantages and FIVE disadvantages of buying a pre-written software package as compared to having one developed by a local software development company?
Explain in detail about Collaboration Diagrams Collaboration diagrams are interaction diagrams which emphasize structural organisation of an object that transmit and receive m
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What is a shadow copy scheme? It is simple, but efficient, scheme known as the shadow copy schemes. It is based on making copies of the database called shadow copies that singl
Introduction In large projects, we can have many different companies working together. Generally, the project or contract is awarded to one company (Principal Contractor), which
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