Detail: he first ARPANET message was “Lo.” It was intended to be “Login,” but the system crashed after the first two letters were transmitted.

Detail: Files with a “.BAT” extension are batch files, which contain a series of commands to be executed by the command-line interpreter.

Detail: A folder is the graphical representation of a directory or subdirectory in a computer system, used to organize files.

Detail: A firewall acts as a security system to prevent unauthorized access to or from a private network.

Detail: CDs and DVDs are optical storage devices used to store digital data.

Detail: While the internet is widely used for multiple purposes, email communication remains one of its primary uses.

Detail: Bing, developed by Microsoft, is the second-largest search engine after Google.

Detail: Google is the largest and most widely used search engine globally, handling over 90% of internet search queries.

Detail: ROM (Read Only Memory) is non-volatile memory used to store firmware or permanent data on devices.

Detail: In computer science, 1 KB (kilobyte) is equal to 1024 bytes, as data storage uses a binary system.