Detail: Computers calculate numbers in binary mode, which uses only two digits, 0 and 1. Binary is the language of computers, enabling them to process and store data efficiently.

Detail: IM is a card used in mobile devices to store subscriber information for authentication on a mobile network.

Detail: Cathode Ray Tubes (CRTs) were traditionally used in older monitors and televisions to display images.

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.