System Analysis and Design
The records in a file or magnetic tape

cannot be transferred to a disk file
have to be arranged in a key sequence
can only be accessed serially
are meant for backup

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System Analysis and Design
Which of the following statements, is (are) not true for the lease option

Lease charges are lower than rental charges for the same period and are also tax deductable.
All of the listed here
Insurance, maintenance and other expenses are included in the rental charge
Lease may be written to show higher payments is early years to reflect the decline in value of the system

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System Analysis and Design
Positive testing is

making sure that the new programs do in fact process certain transactions according to Specifications
testing changes made in an existing or a new program
running the system with line data by the actual user
is checking the logic of one or more programs in the candidate system

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