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Online Tests
ICS Part 2 Computer Science Chapter 3 Online Test MCQs With Answers
Question # 1
Customers,cars and parts are examples of:
Choose an answer
Entities
Attributes
Cardinals
Relashionships
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Question # 2
An attribute is also known as:
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Table
Field
Row
Relation
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Question # 3
Every relation must have:
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Primary key
Candidate key
Secondary key
All of these
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Question # 4
Which of the following activities are involved in data analysis?
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Data flow diagram
Decision Tables
Decision Trees
All
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Question # 5
-------------------- defines the nature of the relationship
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cardinality
entities
modality
none of these
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Question # 6
The number of variables that can be used in printf ( ) function are
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one
many
three
zero
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Question # 7
A data model is :
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A logical representation of the structure of the database
Shown as an entity-relationship diagram
Transformed into tables and relationships
All
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Question # 8
In a loop semicolon is placed at the end of condition:
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While
For
Do-while
None of these
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Question # 9
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 # 10
Format specifier starts with the symbol
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#
%
*
all
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Question # 11
Which of the following keys us not unique:
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Candidate key
Forein key
Primary key
Secondary key
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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
Which is used to display yes/no values:
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Check box
Option buttons
Both a & b
None of these
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Question # 14
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 # 15
Which of the following represents the entities?
Choose an answer
Teacher
Student
Aero plane
All
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Question # 16
An index may be created on:
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Primary key
Secondary key
Foreign key
All
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Question # 17
Which of the following escape sequence is used for beep
Choose an answer
/a
/b
/t
/n
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Question # 18
An advantage of partitioning is:
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Efficiency
Extra space
Reliabilty
Accuracy
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