CURRENT AFFAIRS

Detailed explanation-1: -New Delhi: All landlines users across India will have to prefix ‘0’ for making calls to mobile phones from January 15.

Detailed explanation-2: -Dialling “0” before the mobile phone number was a practice followed for outstation mobile numbers before the government allowed inter-circle mobile number portability, which effectively meant that there was no trunk dialling when it came to mobile numbers and all numbers were considered local.

Detailed explanation-3: -The 0 prefix is for trunk (long-distance) dialing from within the country.

Detailed explanation-4: -Since 2015, calls from mobile phones to any other mobiles do not need to prefix with a 0. However, calls from landlines to non-local mobile numbers need to be prefixed with 0.

Detailed explanation-5: -An integer literal that starts with 0 is an octal number, much like a number starting with 0x is a hexadecimal number.