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College4u Computer-Science

Computer shortcut keys

College4u Computer-Science

Computer Science Quiz

College4u Introduction to computer and history of computer

Define computer and history of computer

College4u types of software

Software and it's types

College4u What is operating system

What is operating systems and function of operating systems

College4u What is email

What is email and Collaborative computingand social networking

College4u data communication

What is computer Network,data communication ,data communication modes