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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?
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
Briefly explain what is to be done during defining problem statement. To define Problem Statement of a system, define what is to be done and how you can go to implement that. Y
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
Explain Hierarchical Model ? Hierarchical Model - It was established to model several kinds of hierarchical organizations which exist in the real world. It uses tree structur
Data Fragmentation "Fragmentation includes decomposing the data in relation to non-overlapping component relations". Why do we require fragmenting a relation?
What are the various symbols used to draw an E-R diagram? Explain with the help of an example how weak entity sets are represented in an E-R diagram. Various symbols used to d
Ask qu. Write a XML with database with book details (Book ID, Title, Author, subject, published year, language, vendor, and price).estion #Minimum 100 words accepted#
What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data
What is a trigger
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