ECAT Computer Science Chapter 14 Data Bases Online Test With Answers

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ECAT Computer Science Chapter 14 Data Bases Online Test

Sr. # Questions Answers Choice
1 A set of related record that represent a unit of data is called File Record Field Database
2 A set of related fields that represent a unit of data is called File Record Field Database
3 A set of related characters that represent unit of data is called File Record Field Database
4 In a school record of cricket and hockey team organized into two groups is referred as Classifying Summarizing Sorting Searching
5 In ________ activity data is collected and recored Data capturing Data manipulating Managing result None of these
6 A series of actions that are performed on raw data achieve the required objective and results are called Operation Data processing Processes Both A and B
7 The manipulated and processed data is called Raw data Information Object None of these
8 _______ represents an object Person Organization An event All of these
9 Which of the following is not related to data manipulation Summarizing Data capturing Classifying Calculations
10 A collection of raw facts and figures is called Data Information Database Data capturing
11 SQL is a (n) Unstructured language Structured language Object oriented language Software
12 Which of the following may be a temporary file Master file Transaction file Backup file None of these
13 Which of the following type of file regulres largest processing time Sequential file Random file Indexed sequential file Direct access file
14 Which of the following data model is more flexible Network data model Hierarchical data model Relational data model Object data model
15 Which of the following represent a collection of concepts that are used to describe the structure of a database Data warehouse Data structure Data model Data type
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