System Analysis and Design Paper 29

A modulus-17 check will detect single transcription errors in

An appropriate range check for marks in an examination paper whose maximum marks 100 is

An appropriate range check of age of a tenth standard student in a high school is

A data element in a data flow
i. may be an integer number
ii. may be a real number
iii. may be binary
iv. may be imaginary

In interactive data input terminal commands are normally used to

Group classification codes are
i. concise
ii. meaningful
iii. expandable
iv. comprehensive

Modulus-11 check digit for the code 85672 is

An appropriate range check for month field in a date is

Good system design prevents data entry errors by
Designing good forms with plenty of space to write in block capitals
By giving clear instructions to a user on how to fill a form
Reducing keystrokes of an operator
Designing good keyboard

Key fields are normally coded
i. as they provide a unique identification
ii. as they are used for retrieving records
iii. as they facilitate cross referencing between applications which use the key
iv. as it is useful