Exam 3: Computer Bus and IO Operations

______ is used as an intermediate to extend the processor BUS.

How may standard levels of interrupts are provided on the 8-bit ISA bus (XT-class computer)?

The asynchronous BUS mode of transmission allows for a faster mode of data transfer.

Bus which is used to connect Macintosh keyboards and mouse is

The best mode of connection between devices which need to send or receive large amounts of data over a short distance is _____

In synchronous BUS, the devices get the timing signals from __________

The CPU hardware has a wire called __________ that the CPU senses after executing every instruction.

The use of spooler programs or _______ Hardware allows PC operators to do the processing work at the same time a printing operation is in progress.

An I/O port typically consists of four registers status, control, ________ and ________ registers.

The method of accessing the I/O devices by repeatedly checking the status flags is ___________

________ is an extension of the processor BUS.

The classification of BUSes into synchronous and asynchronous is based on __________

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.

The PCI BUS supports _____ address space/s.

The device which is allowed to initiate data transfers on the BUS at any time is called _____

Bus which used to connect the monitor to the CPU is

The acronym HDI stands for: The acronym HDI stands for:

The device which starts data transfer is called __________

The asynchronous BUS mode of transmission allows for a faster mode of data transfer.

The PCI follows a set of standards primarily used in _____ PC's.