Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
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?
Why a report generator is used ? Report generator is used for print files on paper.
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
What is the purpose of tables, private synonyms and public synonyms? If there are multiple objects of similar name on an Oracle database, that order are they accessed in? The r
A file manipulation command that extracts some of the records from a file is called ? A file manipulation command that extracts some of the records from a file is called SELECT
What is relational model feature? A relational model feature is much more data independence than some other database models.
Three way to handle missing field val
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz
Describe integrity and security? a) Domain constraint b) Referential integrity A value that appears in one relation for a given set of attributes also appear fo
What is system catalog or catalog relation? How is better known as? A RDBMS maintains a explanation of all the data that it contains, information about every relation and index
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd