BARC CSE 25 september online test

- Evaluate postfix expression.
- one question on binary tree traversal. Postorder and inorder given, we have to find number of left nodes and right nodes.
- calculate histogram when pixel and color is given.
- CAP in software engineering
- numerical on star,mesh and ring topology.
- Multicast address of ipv4
- one question on PCA
- hexadecimal to ip conversion.
- calculation of machine epsilon.
- one question on conflict serializability.
- arrangement of array after one pass of quick sort.
- one numerical question on aloha.
- sql based question on inner join.
- programming based questions on c and c++
- compiler design question- subset of lalr,lr.