1.Data redundancy leads to higher storage and access cost. In addition it may lead to data inconsistency. .
2.Database systems have several schemas. It can have one physical schema and many
sub schemas.
3.Which level of abstraction describes how the data are actually stored? Physical Level
4.Application programs need not be rewritten if the physical schema changes. This property is known as physical data independence .
5.The part of machine level instruction, which tells the central processor what has to be done, is ? op code
6.Shell is the exclusive feature of UNIX.
7.The primary job of the Operating System is ? To manage resources
8.The translator which perform macro expansion is called a macro pre processor .
9.Analysis which determines the meaning of a statement once its grammatical structure becomes known is termed a semantic analysis .
10.Translator for low level programming language were termed as assembler .
#Answers will be provided soon..!!
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