What is the currency of

To select the entire document which of the following shortcut keys is used? 

Computer Virus is a

For indentation of text in MS Word which among the following option is not available?

________ are used in an e-mail to express emotions of feelings clearly.

What is commonly used for displaying information at public places?

In the OSI model, which layer is responsible for end-to-end communication and error recovery?

In the OSI model, which layer is responsible for routing and forwarding data packets?

What is the main function of an operating system?

In cybersecurity, what does a firewall primarily do?

A set of programs that enables your computer’s hardware devices and application software to work together is called