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Online Tests
Computer Science Ics Part 2 Chapter 3 Online Test MCQs With Answers
Question # 1
Which of the following activities are involved in data analysis?
Choose an answer
Data flow diagram
Decision Tables
Decision Trees
All
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Question # 2
A person's name, birthday and social security number are examples of:
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Attributes
Entities
Relationships
Descriptors
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Question # 3
_______________ refers to a method of database distribution in which one database contains data that are included in another database.
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Splitting
Partitioning
Replication
Dividing
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Question # 4
A factor to consider when choosing a file organization is:
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Fast retrieval
Security
Efficient storage
All
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Question # 5
Which key does not have uniqueness property?
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Candidate
Foreign key
Primary key
Secondary key
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Question # 6
Object used to retrieve data from database is called:
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Forms
Repons
Queries
Tables
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Question # 7
The output of the statement print ("%2f', 11.4519), is
Choose an answer
11.4519
11.45
11.51
11
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Question # 8
Which of the following can be used as flag value
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+
#
-
all
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Question # 9
Which of the following escape sequence is used for beep
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/a
/b
/t
/n
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Question # 10
Every relation must have:
Choose an answer
Primary key
Candidate key
Secondary key
All of these
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Question # 11
Relationship are
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uni-directional
bi-directional
tri-directional
none of these
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Question # 12
In ERD model, the relationship between two entities is represented by a
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diamond symbol
rectangular box
oval symbol
line
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Question # 13
Getch stands for:
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Go character
Give character
Get character
All of these
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Question # 14
An index may be created on:
Choose an answer
Primary key
Secondary key
Foreign key
All
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Question # 15
Conditional operator is alternative of:
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If
If-else
Nested if-else
None of these
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Question # 16
Organizing the database in computer disk storage is done in:
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Logical design
Physical design
Analysis
Implimentation
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Question # 17
Which of the following is NOT included in the definition of an entity?
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Person
Object
Concept
Action
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Question # 18
An advantage of partitioning is:
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Efficiency
Extra space
Reliabilty
Accuracy
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Question # 19
In a relational database a single piece of information is called:
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Table
Record
Entity
Attribute
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Question # 20
An entity related to itself in an ERD model refers to :
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Recursive relationship
One-to-many relationship
Many-to-many relationship
One-to-one relationship
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Question # 21
In a loop semicolon is placed at the end of condition:
Choose an answer
While
For
Do-while
None of these
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Question # 22
Conditional operator is also called:
Choose an answer
True operator
Ternary-operator
Truth operator
All of these
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Question # 23
Escape sequence starts with the character
Choose an answer
%
/
#
none
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