Deck 3: Computer Bus and IO Operations

Question 1

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

A)intel
B)motorola
C)sun
D)IBM

Answer 1

IBM

Question 2

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

A)4
B)8
C)12
D)16

Answer 2

8

Question 3

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

A)Half duplex interface
B)Hard disk
C)Hard disk interface
D)Help desk interference

Answer 3

Hard disk interface

Question 4

Bus which used to connect the monitor to the CPU is

A)PCI bus
B)SCSI bus
C)memory bus
D)rambus

Question 5

Bus which is used to connect Macintosh keyboards and mouse is

A)USB
B)FireWire
C)SCSI
D)ISA

Question 6

The device which starts data transfer is called __________

A)Master
B)Transactor
C)Distributor
D)Initiator

Question 7

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

Question 8

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

A)Bridge
B)Router
C)Gateway
D)Connector

Question 9

________ is an extension of the processor BUS.

A)SCSI BUS
B)USB
C)PCI BUS
D)None of the mentioned

Question 10

The system developed by IBM with ISA architecture is ______

A)SPARK
B)SUN-SPARK
C)PC-AT
D)None of the mentioned

Question 11

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

A)Bus
B)Serial Port
C)Parallel port
D)Isochronous port

Question 12

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

A)Bus Master
B)Processor
C)Controller
D)BUS arbitrator

Question 13

The PCI BUS supports _____ address space/s.

A)I/O
B)Memory
C)Configuration
D)All of the mentioned

Question 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.

A)Devices
B)Buses
C)Device drivers
D)I/O systems

Question 15

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

A)system in, system out
B)data in, data out
C)flow in, flow out
D)input, output

Question 16

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

A)interrupt request line
B)interrupt bus
C)interrupt receive line
D)interrupt sense line

Question 17

The _________ determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.

A)interrupt request line
B)device driver
C)interrupt handler
D)All of Above

Question 18

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

A)Memory-mapped I/O
B)Program-controlled I/O
C)I/O mapped
D)None of the mentioned

Question 19

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

A)The devices connected to them
B)The type of data transfer
C)The Timing of data transfers
D)None of the mentioned

Question 20

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

A)Timing generator in the device
B)A common clock line
C)The Timing of data transfers
D)None of the mentioned

Question 21

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

Question 22

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.

A)Register
B)memory
C)Buffer
D)Cpu