MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Since the invention of computers, people have used the term data to refer to computer information, and this information was either transmitted or stored.

Detailed explanation-2: -• Data Representation refers to the form in which data is stored, processed, and transmitted. • Devices such as smartphones, iPods, and computers store data in digital formats that can be handled by electronic circuitry.

Detailed explanation-3: -A hard disk drive or solid state drive holds all of the data; files, photos, programs, music, and movies, that the user wants to keep. Removable, external media storage devices such as flash drives and read/writeable CDs and DVDs are also secondary storage.

Detailed explanation-4: -Computers connect to each other and to the Internet via wires, cables, radio waves, and other types of networking infrastructure. All data sent over the Internet is translated into pulses of light or electricity, also called “bits, ” and then interpreted by the receiving computer.

Detailed explanation-5: -Information technology (IT) is the use of computers to store, retrieve, transmit and manipulate data or information. IT is most commonly used in the context of business operations as opposed to personal or entertainment technology. IT is seen as a subset of information and communication technology (ICT).