IT Trainer Questions

A source program is is a text file that contains instructions or a program written in a language other than machine code, typically a high-level language.

A group of giraffes is called as tower.

Whereas

A group of ants is called as colony

A group of lions is called as pride

A group of ships is called as fleet.

Tongue. Yes tongue tastes better than it smells as it can't smell.

Data types are used for declaration of variables in computer programming languages. These determine the type and size of data associated with variables.

Data types examples - int, char, float, etc...

char datatype is the least storage data type with 1 byte.

int with 2 or 4 bytes.

float with 4 bytes

double with 8 bytes.

'ViewState' is specific to a page in a session.
'SessionState' is specific to user specific data that can be accessed across all pages in the web application.

A data structure is a specialized format for organizing and storing data. General data structure types include the array, the file, the record, the table, the tree, and so on. Any data structure is designed to organize data to suit a specific purpose so that it can be accessed and worked with in appropriate ways.

Linear data structure: A linear data structure traverses the data elements sequentially, in which only one data element can directly be reached.

Ex: Arrays, Linked Lists, Stack, Queue, Any type of List all are linear.

Trees like Binary Tree, B Tree or B+ Tree are examples of non linear data structure.

Memory refresh is the process of periodically reading information from an area of computer memory and immediately rewriting the read information to the same area without modification, for the purpose of preserving the information.

Memory refresh is a background maintenance process required during the operation of semiconductor dynamic random-access memory (DRAM), the most widely used type of computer memory.