VU CS-403 Online Test Preparation

MCQ's Test For CS-403 Final Term Exams Preparation Virtual University

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CS-403 Final Term Exams Preparation Virtual University

00:00
Question # 1

Which of the following is NOT a component of a DFD?

Question # 2

_______ is a control that users click to perform an action, set or toggle a state, or set an option.

Question # 3

A superkey that does not contain a subset of attributes that is itself a superkey is called a ___

Question # 4

Which of the following is incorrect with respect to indexed sequential files?

Question # 5

Identify the factor which enforces a relation in 3NF?

Question # 6

Which of the following is not true about De-normalization?

Question # 7

You can’t modify more than one table at a time through a view.

Question # 8

Which of the following concepts is applicable with respect to 3NF?

Question # 9

Which of the following statements is true about the views?

Question # 10

Controlling redundancy in a database management system DOES NOT help to

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Virtual University CS-403 Chapter 1 Important MCQ's

Sr.# Question Answer
1 Which of the following statements are Data Definition Language command?
A. INSERT
B. UPDATE
C. GRANT
D. TRUNCATE
2 ______ is a control that presents a set of choices from which a user can select one or more items; items can be text, graphics, or both.
A. Text input
B. Report
C. Button
D. List box
3 A ______ is used to maintain a connection between the users of the database system.
A. Mail server
B. File Server
C. Client-serve
D. None of the given.
4 Which of the following most certainly implies the need for an entire table to implement?
A. A binary relationship
B. A ternary relationship
C. A recursive relationship
D. An identifying relationship
5 You can’t modify more than one table at a time through a view.
A. True
B. False
C. Not Sure
6 Identify the INCORRECT statement among the given.
A. An entity may be an object with a physical existence like a car, a house or an Employee
B. One cannot consider something which has conceptual existence like a course in a degree program as an entity
C. Age can be considered as a single value attribute of a person.
D. An entity type describes the schema or intension for a set of entities which share the same structure.
7 Who is responsible for authorizing access to the database, for coordinating and monitoring its use? Select correct option:
A. Database Designer
B. Database Administrator
C. End User
D. Application Programmer
8 What is the alternate name of Data Dictionary?
A. Index
B. Metadata
C. Data
D. System Catalog
9 In a conceptual model for a university, what type of relationship exists between Grade and Student entities?
A. 1:1
B. 1:M
C. M:M
D. Ternary
10 A weak entity type
A. must have total participation in an identifying relationship
B. does not have a key attribute(s)
C. both (a) and (b)
D. none of the above

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