What is calloc malloc realloc in c?
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What is the concatenation operator?
Why void main is used in c?
Can you please explain the difference between strcpy() and memcpy() function?
is compiler do read the data line by line or not. ??
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write a program structure to find average of given number
code for inverse a matrix
What is linear search?
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: <must match with the Password, should not display characters when user type> Account Type: <One character long, A or S or G where A for Admin, S for Super Admin, G for Guest> Login Name, Password and Account Type should be stored in a separate file in encrypted form. (Encryption means that actual information should be changed and Decryption means that Encrypted information is changed back to the actual information) If any of the above mentioned requirement(s) does not meet then point out mistake and ask user to specify information again. When Program is launched with already created accounts, it will ask for user name and password to authenticate. On successful authentication, give options according to the user’s type.
actually i have 2 years teaching experience as computer faculty but now i am a DBA but when i go for interview many peoples asked me why i left my teaching profession and why i want to come in this field kindly give me the proper answer of this queston
Where are c variables stored in memory?
How can you determine the size of an allocated portion of memory?
#include<stdio.h> main() { int a=1; int b=0; b=++a + ++a; printf("%d %d",a,b); }
C 
