MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Answer: human-computer interface (HCI) The means of communication between a human user and a computer system, referring in particular to the use of input/output devices with supporting software.

Detailed explanation-2: -HCI is also sometimes termed human–machine interaction (HMI), man-machine interaction (MMI) or computer-human interaction (CHI).

Detailed explanation-3: -A classic example of a communication device is a computer modem, which converts a computer’s digital information to an analog signal for transmission over a telephone line.

Detailed explanation-4: -The most common input devices are the keyboard, mouse, and touch screen. Portable keyboard, wireless mouse, and iPhone. There are hundreds of other input devices, like microphones to capture sound waves, scanners to capture image data, and virtual reality devices to capture our body movements.

Detailed explanation-5: -Detailed Solution. The correct answer is Graphical User Interface. An operating system enables a person to communicate with a computer through the use of symbols, icons, visual metaphors, and pointing devices. It is classified in Graphical User Interface.