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what is the defrenece between structure and union
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Answer Posted / renuka
structure is declared with the keyword struct and structure
variables occupy individual memory location.But Unoin is
declared with the keyword union and its variables are
allocated to a memory at which the highest byte of the
variable is declared.
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Write a program to maintain student’s record. Record should
not be available to any unauthorized user. There are three
(3) categories of users. Each user has its own type. It
depends upon user’s type that which kind of operations user
can perform. Their types and options are mentioned below:
1. Admin
(Search Record [by Reg. No or Name], View All Records,
Insert New Record, Modify Existing Record)
2. Super Admin
(Search Record [by Reg. No or Name], View All Records,
Insert New Record, Modify Existing Record, Delete Single Record)
3. Guest
(Search Record [by Reg. No or Name], View All Records)
When first time program runs, it asks to create accounts.
Each user type has only 1 account (which means that there
can be maximum 3 accounts). In account creation, following
options are required:
Login Name: <6-10 alphabets long, should be unique>
Password: <6-10 alphabets long, should not display
characters when user type>
Confirm Password:
