IT &computer MCQ section 2 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (c)

A modem takes the digital signal from the computer and converts it to "analog". It does this by both creating an analog sine wave and then "MODulating" it. Since the result still represents digital data, it could also be called a digital signal instead of analog.

Answer: (c)

Speed of processor chip is measured in megahertz (MHz) and gigahertz (GHz).

Answer: (a)

Linux, Windows 98 and Windows 7 are examples of operating systems, the system software that manages computer hardware and software resources and provides common services for computer programs.

C++ is a middle-level programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs.

Answer: (c)

Content-addressable memory (CAM) is a special type of computer memory used in certain very highspeed searching applications. It is also known as associative memory.

It compares input search data (tag) against a table of stored data and returns the address of matching data (or in the case of associative memory, the matching data).

Answer: (a)

The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite. It is a network of networks linked by a broad array of electronic, wireless and optical networking technologies.

Cyberspace refers to the global network of interdependent information technology infrastructures, telecommunications networks and computer processing systems in which online communication takes place.