- 11. If one or more devices use a common set of wires to communicate with the computer system, the connection is called ______
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filter_dramaExplanationAnswer is : D
None. - 12. A ____ a set of wires and a rigidly defined protocol that specifies a set of messages that can be sent on the wires.
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filter_dramaExplanationAnswer is : C
None. - 13. When device A has a cable that plugs into device B, and device B has a cable that plugs into device C and device C plugs into a port on the computer, this arrangement is called a _________
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filter_dramaExplanationAnswer is : B
None. - 14. The _________ present a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
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filter_dramaExplanationAnswer is : C
None. - 15. A ________ is a collection of electronics that can operate a port, a bus, or a device.
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filter_dramaExplanationAnswer is : A
None. - 16. An I/O port typically consists of four registers status, control, ________ and ________ registers.
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filter_dramaExplanationAnswer is : B
None. - 17. The ______ register is read by the host to get input.
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filter_dramaExplanationAnswer is : C
None. - 18. The ______ register is written by the host to send output.
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filter_dramaExplanationAnswer is : D
None. - 19. The hardware mechanism that allows a device to notify the CPU is called _______
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filter_dramaExplanationAnswer is : B
None. - 20. The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.
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filter_dramaExplanationAnswer is : A
None. -
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