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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?
Describe in brief about the Sequence Diagrams Sequence diagrams are interaction diagrams which emphasize time ordering of messages. In UML, it is shown as a table which shows
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
Need a sample of a clinic database relationships
Types Of Indexes One of the words used during the file organisation is the term index. In this part, let us describe this term in more detail. We find the index of keywords
Question 1 Discuss the classification of DBMS based on location of database Question 2 Explain with examples different SQL commands used for creating and deleting relations.
Eliminate Redundant Data In the "Database Relation" above, the primary key is made up of the D-ID and the Emp-ID. The database-name relies only on the D-ID. The similar databas
We require an advanced system for a Sports Centre, you are concerned only with representing the data discussed below about bookings and members. (The complete system may contain ot
design a generalization specialization hierarchy for a motor vehicle sales company. the company sells motorcycles, passenger cars, vens and buses.
Name the metrics for selecting top algorithm There are a number of metrics for selecting top algorithm: i) Computational complexity: Computational complexity refers to eff
WOUND-WAIT
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