Author Nik: RamChaturvedi
Name: Ram Chaturvedi
Computer firewall is an OS based software designed to control the access to unauthorized content on a network or a computer system. It works with predefined set of rules, according to which it decides whether to block or allow access.
A “firewall” is an over-arching term to describe a specialized security system for a computer network. It is an operating system based designed software to control and protect the computer from unauthorized contents. Main feature of computer firewall is to prevent unwanted contents. It has predefined rules to access the computer. It is a device or set of devices are used to permit, deny, and encrypt all computer instructions based on set of rules and security criteria.
“Computer firewall” is software which is developed on the basis of operating system. It was mainly designed for control the access to unauthorized content on a computer. It works under some rules and instructions. According to those rules it decides whether to block or allow access.
Apple announced the” iPhone “on January 9, 2007 and launched on June 29, 2007.The “iPhone” is a internet connected smart multimedia touch screen phone. It is having multi-touch screen and works with multi-functional options. Due to lack of physical input device such as key board, the touch screen acts as a virtual keyboard when necessary.