Define input and output
Answers
Answer:
input : from the programmer ; it can also be a command
output: from the monitor ; it is always a result
Explanation:
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Answer:
Input/Output Technologies:
Current Status And Research Needs
Meeting the every-citizen interface (ECI) criteria described in Chapter 2 will require advances in a number of technology areas. Some involve advances in basic underlying display and interface technologies (higher-resolution visual displays, three-dimensional displays, better voice recognition, better tactile displays, and so on). Others involve advances in our understanding of how to best match these input/output technologies to the sensory, motor, and cognitive capabilities of different users in different and changing environments carrying out a wide variety of tasks. But the new interfaces will need to do more than just physically couple the user to the devices. To meet these visions, the interfaces must have the ability to assist, facilitate, and collaborate with the user in accomplishing tasks.
Subsequent chapters address interface design-the creation of interfaces that make the best-possible use of these human-machine communications technologies-and system attributes that lie beneath the veneer of the interface, such as system intelligence and software support for collaborative activities. This chapter examines the current state and prospective advances in technology areas related directly to communication between a person and a system-hardware and software for input (to the system) and output (to a human). The emphasis is on technical advances that, if implemented in well-designed systems (as stressed in Chapter 4), hold the potential to expand accessibility and usability to many more people than at present. The discussion includes a cluster of speech input/output technologies; natural language understanding (including restricted languages with limited vocabularies); keyboard input; gesture recognition
Explanation :
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