Computer mcqs

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#118 A combination of two or more columns used to identify particular row in a relation is a ___________.

A) Secondary key
B) composite key
C) foreign key
D) primary key
Answer: B

#119 Which of the following is used to store data in a database?

A) Table
B) Form
C) Query
D) Report
Answer: A

#120 ____________ is a window that displays data for viewing entering and editing information.

A) Table
B) Form
C) Query
D) Report
Answer: B

#121 Which of the following is logical data type?

A) Text
B) Memo
C) Auto Number
D) yes/No
Answer: D

#122 ____________ is an open source application program.

A) MS Access
B) Open Office Base
C) SQL Server
D) MS Word
Answer: B

#123 What is the maximum size of text field data type?

A) 253
B) 254
C) 255
D) 256
Answer: C

#124 ___________ key is a unique key field in a table.

A) Secondary
B) Foreign
C) composite
D) primary
Answer: D

#125 Which of the key is used to create one-to-many relationship between tables?

A) Secondary
B) Foreign
C) composite
D) primary
Answer: D

#126 __________ is used to display data in an organized manner so that users can print it .

A) Table
B) Form
C) Query
D) Report
Answer: D

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