Computer General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	Data base is a collection of	Data Information Files All of these
2	Which of the following type of file requires largest processing time?	Sequential file Random file Indexed sequential file Direct access file
3	Which of the following data model is more flexible?	Network data model Hierarchical data model Relational data model Object data model
4	Which of the following represents a collection of concepts that are used to describe the structure of a database?	Data warehouse Data model Data structure Data type
5	To execute UNDO command you should:	Press CTRL + Z Select UNDO from the Edit menu Click UNDO icon on the standard toolbar Any of the above

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