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Q.

A database management system

A

allows simultaneous access to multiple files

B

can do more than a record management system

C

is a collection of programs for managing data in a single file

D

both (a) and (b)

E

None of the above

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MCQ

1.

A _____ Contains fields of data about one entity.

A

Record

B

File

C

Fields

D

Document

E

None of the above

Discussion

MCQ

2.

Data encryption techniques are particularly useful for

A

reducing storage space requirements

B

improving data integrity

C

protecting data in data communication systems

D

All of the above

E

None of the above

Discussion

MCQ

3.

The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in

A

a tree file

B

an indexed file

C

a hashed file

D

a sequential file

E

None of the above

Discussion

MCQ

4.

A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.

A

File structure

B

Records

C

Fields

D

Database

E

None of the above

Discussion

MCQ

5.

An application where only one user accesses the database at a given time is an example of a(n) ________ .

A

single-user database application

B

multiuser database application

C

e-commerce database application

D

data mining database application

Discussion

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