Saturday 28 September 2013

Computer Awareness-44

1.      ______Is a collection of conceptual tools for describing data, data relationships, data semantics and constraints
a.      Data base
b.     Data Model 
c.      E_R Model
d.     None 
2.     Association among two or more entities called
a.      Entity
b.     Entity set
c.      Relationship
d.     Degree of relation
3.     DDL stands for
a.      Data Definition Language
b.     Data Delete Language
c.      Data Device Language
d.     Database Definition Language

4.     SDL stands for
a.      Storage Definition Language
b.     Save Definition Language
c.      Storage Database Language
d.     Shortcut Definition Language
5.     DML stands for
a.      Date Manipulation Language
b.     Database Manipulation Language
c.      Data Manuscript Language
d.     Data Manipulation Language
6.      ____Is the language that enable user to access or manipulate data as organized by appropriate data model
a.      DML
b.     SDL
c.      DDL
d.     All of the above
7.     ____Is the language to specify the internal schema
a.      DML
b.     SDL
c.      DDL
d.     None of the above
8.     All candidate keys excluding the primary key are known as
a.      Compound key
b.     Partial key
c.      Alternative key
d.     None of the above
9.     The user commands that are used to interact with a database is called as 
a.      Query
b.     Interaction
c.      Command
d.     Instruction
10. The updates that are applied to database before it becomes effective in real world
a.      Retroactive update
b.     Proactive update
c.      Simultaneous update
d.     All of the above
11. The updates that are applied to database after it becomes effective in real world
a.      Retroactive update
b.     Proactive update
c.      Simultaneous update
d.     All of the above 
12. The updates that are applied to database at the same time when it becomes effective in real world?
a.      Retroactive update
b.     Proactive update
c.      Simultaneous update
d.     All of the above
13. In a word document Red underline indicates
a.      Possible spelling error/word doesn't recognize a word
b.     Word thinks that grammar should be revised
c.      A word is spelled correctly, but does not seem to be the correct word sentence
d.     All of the above
14. In a word document Green underline indicates
a.      Possible spelling error/word doesn't recognize a word
b.     Word thinks that grammar should be revised
c.      A word is spelled correctly, but does not seem to be the correct word sentence
d.     All of the above
15. In a word document Blue underline indicates?
a.      Possible spelling error/word doesn't recognize a word
b.     Word thinks that grammar should be revised
c.      A word is spelled correctly, but does not seem to be the correct word sentence
d.     All of the above
16. By default the Microsoft word document will be saved into a folder called
a.      Desktop
b.     My documents
c.      D drive
d.     Personal folder
17. What is the default file name for the word document?
a.      Taken from the text at the start of the document
b.     Word document
c.      Both (a) and (b)
d.     None of the above
18. In word-2010____is the key to see numbers and letters displayed over icons, tabs or commands towards the top of your screen?
a.      Ctrl key
b.     Tab key
c.      Alt key
d.     None of the above
19. ____ Is the keyboard shortcut key to close the word program
a.      Alt+F4
b.     Alt+F5
c.      Alt+F6
d.     Alt+F7
20. How will you remove all formatting added to your documents (such as bold, italics, and underline etc.
a.      Save
b.     Save as plain text file
c.      Save as

d.     All of the above

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