A mouse is an indirect input device (one must move the mouse to point to a spot on the screen); a touchscreen is a direct input device (the display surface is also the input surface).

There are two types of controllers connected to a SCSI bus. An initiator (such as the SCSI controller) has the ability to select a particular target and to send commands specifying the …

What type of input devices do home users require? What type of input devices do mobile users require? What type of input devices do power users require? • What is input? • What are input …

An indirect input device is one which does not provide input in the same physical space as the output. Indirect devices eliminate occlusion of the screen by the user's hand and fingers.

Upon detecting an interrupt signal, provided the particular interrupt or interrupt class is not masked, the CPU acknowledges the interrupt (so that the device can deassert its request …

term goal might be to see the computer as a sort of mental prosthesis, where the explicit input and output steps vanish and the communication is direct, from brain to computer.

Voice Another type of input comes from the user’s speech. Carrying on a full conversation with a computer as one might do with another person is well beyond the state of the art today—and, …