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Chapter 16 - Input/Output
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1
How many USB devices are supported by one host controller?
A)32
B)63
C)127
D)128
2
What kind of connector does a legacy serial port use?
A)9-pin DB
B)15-pin DB
C)SCSI
D)FireWire 2.0
3
Which chip converts serial data to parallel data?
A)serial chip
B)parallel chip
C)Southbridge
D)UART
4
Which standard defines everything about serial ports?
A)USB-10
B)IEE 1394E
C)RS-322
D)SSL-232
5
In a USB connection, what connects to the host controller?
A)Device
B)Root hub
C)USB port
D)child controller
6
Where do most USB devices get their power?
A)Self-powered by AC
B)Self-powered by DC
C)USB devices don’t need power
D)USB bus
7
How fast does a Hi-Speed USB device run?
A)1.5 Mbps
B)12 Mbps
C)400 Mbps
D)480 Mbps
8
How fast does a Low-Speed USB device run?
A)1.5 Mbps
B)12 Mbps
C)400 Mbps
D)480 Mbps
9
How fast does a Full-Speed USB device run?
A)1.5 Mbps
B)12 Mbps
C)400 Mbps
D)480 Mbps
10
What is the maximum length of a USB cable?
A)1 meter
B)3 meters
C)5 meters
D)10 meters
11
What is IEEE 1394?
A)FireWire
B)SCSI
C)USB 1.0
D)USB 2.0
12
How many pins does a FireWire connector have?
A)4
B)5
C)6
D)8
13
How fast is IEEE 1394a?
A)12 Mbps
B)400 Mbps
C)480 Mbps
D)800 Mbps
14
How fast is IEEE 1394b?
A)12 Mbps
B)400 Mbps
C)480 Mbps
D)800 Mbps
15
How many devices are supported by FireWire?
A)32
B)63
C)127
D)128
16
What’s the maximum length of a FireWire cable?
A)1 meter
B)3 meters
C)4.5 meters
D)5 meters
17
Which of the following devices would be fastest for a printer?
A)Bluetooth
B)Serial
C)Parallel
D)USB 2.0
18
What can be used to create a digital copy of an existing photo, document, or drawing?
A)firewire printer
B)scanner
C)TWAIN printer
D)USB camera
19
What do digital cameras use for film?
A)34 mm
B)48 mm
C)flash media
D)parity RAM
20
What do most digital cameras plug into?
A)Serial port
B)Parallel port
C)UART
D)USB port





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