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#141 ___________ key is a unique key field in a table.
A) Secondary
B) Foreign
C) composite
D) primary
Answer: D
#142 Which of the key is used to create one-to-many relationship between tables?
A) Secondary
B) Foreign
C) composite
D) primary
Answer: D
#143 __________ 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
#144 which layer of OSI model decided which physical path-way the data should take to reach the destination ?
A) Transport layer
B) presentation layer
C) network layer
D) session layer
Answer: D
#145 ____________ is a window that displays data for viewing entering and editing information.
A) Table
B) Form
C) Query
D) Report
Answer: B
#146 ________ memory holds data and programs not currently in use and provides long-term storage.
A) primary
B) secondary
C) main
D) internal
Answer: B
#147 In which type of transmission data is transmitted one byte at a time.
A) Simplex
B) synchronous
C) Asynchronous
D) Duplex
Answer: C
#148 A row in a table is also know as __________.
A) Column
B) Relational
C) Tuple
D) Table
Answer: C
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