Deck 4: Making Connections

Question 1

If control simplicity is your primary goal, point-to-point connection of terminals is clearly superior to multipoint connections.

Answer 1

True

Question 2

To take advantage of the higher-speed interface of SCSI, you need to install a SCSI adapter in your computer.

Answer 2

True

Question 3

Neither USB nor FireWire support isochronous connections.

Answer 3

False

Question 4

The procedural component of USB is probably the most involved of the four components.

Question 5

FireWire is similar to USB in that it is hot pluggable.

Question 6

One of the latest interface standards is the RS-232 interface.

Question 7

The Thunderbolt interface is an older interface designed for mainframe computers.

Question 8

USB is an example of a full-duplex connection.

Question 9

When using peripherals that are designed with a USB connector, it is also possible to connect one USB peripheral to another.

Question 10

A stop bit is always a 0.

Question 11

Rather than being a single shared bus, InfiniBand is a network of high-speed links and switches.

Question 12

Because of their higher efficiency, asynchronous connections have almost completely replaced synchronous connections.

Question 13

On occasion, a company will create a protocol that, while not an official standard, becomes so popular that other companies start using it.

Question 14

Because USB provides a digital interface, it is necessary to convert the digital signals of the microcomputer to analog signals for transfer over a connection.

Question 15

The connection to a peripheral is often called the ____.

A)USB
B)interface
C)FireWire
D)EIA-232F

Question 16

The starting and ending sequences of the synchronous connection are called flags.

Question 17

A start bit is always a 1.

Question 18

An EIA-232F interface is a full-duplex connection.

Question 19

An asynchronous connection is the most complex example of a data link protocol.

Question 20

Examples of real-time applications usually include streaming voice, video, and music.

Question 21

____ is a technique for interfacing a computer to high-speed devices such as hard disk drives, tape drives, CDs, and DVDs.

A)Serial
B)RS-232
C)SCSI
D)EIA-232F

Question 22

Some systems, for various reasons, allow only one side or the other to transmit at one time. This type of connection is an example of a ____ connection.

A)full-duplex
B)half-duplex
C)single-duplex
D)multi-duplex

Question 23

____ is a serial connection or bus that can carry multiple channels of data at the same time.

A)InfiniBand
B)Fibre Channel
C)SCSI
D)USB

Question 24

An interface standard can consist of four parts, or components: the electrical component, the mechanical component, the ____ component, and the procedural component.

A)functional
B)automatic
C)administrative
D)organizational

Question 25

SCSI is a ____ interface and not just an interface technique for hard disk drives.

A)systems
B)terminal
C)server
D)driver

Question 26

In modem interfacing terminology, the computer (or terminal) end of an interface is referred to as ____.

A)data communicating equipment (DCE)
B)data terminating equipment (DTE)
C)data transmitting equipment (DTE)
D)data receiving equipment (DRE)

Question 27

InfiniBand can support data transfer speeds of ____ per second.

A)1.5 billion bits (1.5 gigabits)
B)2.5 billion bits (2.5 gigabits)
C)5 billion bits (5 gigabits)
D)10 billion bits (10 gigabits)

Question 28

The idea behind ____ is that the peripheral can simply be plugged in and turned on, and that the computer should dynamically recognize the device and establish the interface.

A)RS-232
B)EIA-232F
C)daisy-chaining
D)hot plugging

Question 29

Fibre Channel can support the interconnection of up to ____ devices only.

A)56
B)126
C)256
D)512

Question 30

An interface standard can consist of four parts, or components, all of which reside at the ____ layer.

A)network
B)data link
C)physical
D)transport

Question 31

The ____ component of an interface deals with items such as the connector or plug description.

A)administrative
B)functional
C)procedural
D)mechanical

Question 32

A ____ connection is one in which both sender and receiver may transmit at the same time.

A)full-duplex
B)half-duplex
C)single-duplex
D)multi-duplex

Question 33

The ____ component of an interface describes how the particular circuits are used to perform an operation.

A)electrical
B)functional
C)procedural
D)mechanical

Question 34

InfiniBand can address (interconnect) ____ of devices, using both copper wire and fiber-optic cables.

A)tens
B)hundreds
C)thousands
D)millions

Question 35

To define functional and procedural components, EIA-232F incorporates the ITU's ____ standard.

A)ISO 2110
B)V.28
C)RS-232
D)V.24

Question 36

A(n) ____ is simply a high-speed connection to which multiple devices can attach.

A)pin
B)bus
C)circuit
D)interface

Question 37

FireWire supports two types of data connections: an asynchronous connection and a(n) ____ connection.

A)synchronous
B)timed
C)parallel
D)isochronous

Question 38

You can connect up to ____ different SCSI devices to one SCSI adapter.

A)2
B)4
C)6
D)7

Question 39

In modem interfacing terminology, the modem is referred to as the ____.

A)data communicating equipment (DCE)
B)data terminating equipment (DTE)
C)data transmitting equipment (DTE)
D)data receiving equipment (DRE)

Question 40

The ____ component of USB strictly specifies the exact dimensions of the interface's connectors and cabling.

A)procedural
B)functional
C)mechanical
D)electrical

Question 41

With a(n) ____ connection, the unit of transmission is a sequence of characters.

A)asynchronous
B)parity
C)synchronous
D)serial

Question 42

The ______ protocol is a high-speed protocol commonly found on Apple laptops and incorporates two currently existing standards.

A)USB
B)async
C)SCSI
D)Thunderbolt

Question 43

____________________ is a digital interface that uses a standardized connector (plug) for all serial and parallel type devices.

Question 44

The process of providing all the proper interconnections between a computer and a peripheral is called ____________________.

Question 45

____________________ connection provides guaranteed data transport at a predetermined rate.

Question 46

A direct connection between a terminal and a mainframe computer is a ____ connection.

A)multipoint
B)point-to-point
C)single-point
D)direct-point

Question 47

____________________ is an easy-to-use, flexible, and low-cost digital interface that is capable of supporting transfer speeds of up to 3.2 Gbps.

Question 48

A ____ port is a connection in which eight data lines transmit an entire byte of data at one moment in time.

A)serial
B)parallel
C)DIN
D)USB

Question 49

During the early years of computing, a mainframe computer was called the ____.

A)secondary
B)terminal
C)dumb end
D)primary

Question 50

The ____________________ component of an interface deals with voltages, line capacitance, and other electrical issues.

Question 51

A(n) ____________________ is the signal that is transmitted over a wire and is related to a particular pin in a connector.

Question 52

The ____________________ component of an interface describes the function of each pin that is used in a particular interface.

Question 53

With ____ connections, polling is not necessary because there is only one terminal per line.

A)point-to-point
B)multipoint
C)terminal-to-point
D)primary-to-point

Question 54

To prepare a data character for transmission, a ____ bit is added to the beginning of the character and informs the receiver that an incoming data frame is arriving.

A)start
B)stop
C)end
D)parity

Question 55

____________________ is a process in which a computer asks a peripheral if it has any data to transmit to the computer.

Question 56

At the end of the data character, one or two ____ bits are added to signal the end of the frame.

A)start
B)parity
C)check
D)stop

Question 57

A primary that performs ____ polling polls only the first terminal, which then passes the poll to the second terminal, and each successive terminal passes the poll along.

A)roll-call
B)selection
C)hub
D)terminal

Question 58

The technique of connecting a device to each subsequent device (instead of back to the computer) is known as ____________________.

Question 59

During the early years of computing, a terminal was called the ____.

A)secondary
B)terminal
C)dumb end
D)primary

Question 60

____________________ is an interface standard for connecting a computer or terminal (or DTE) to a voice-grade modem (or DCE) for use on analog public telecommunications systems.

Question 61

Mainframe computers use polling to send or collect data with workstations. How does polling work, and what other more recently created protocols use polling?

Question 62

____________________ polling is the polling method in which the mainframe computer (primary) polls each terminal (secondary), one at a time, in round-robin fashion.

Question 63

If transmitting a digital signal, use a Manchester code. Because a Manchester code always has a signal transition in the middle of each bit, the receiver can anticipate this signal transition and read the incoming data stream with no errors. A Manchester-encoded digital signal is an example of a self-clocking signal.

Question 64

To prepare a data character for an asynchronous transmission, a few extra bits of information are added to the data bits of the character to create a(n) ____________________.

Question 65

What are the primary organizations involved in making interface standards?

Question 66

What are the advantages and disadvantages of an asynchronous connection?

Question 67

A(n) ____________________ bit performs an error check on only the data bits.

Question 68

A technique called ____________________, which allows only one terminal to transmit at one time, successfully controls multiple terminals that share a connection to a mainframe computer.

Question 69

Send a synchronizing clock signal over a separate line that runs parallel to the data stream. As the data arrives on one line, a clock signal arrives on a second line. The receiver can use this clock signal to stay synchronized with the incoming data.

Question 70

What are the three ways used to maintain synchronization in synchronous connections?

Question 71

____________________ is similar to InfiniBand in that it too is a serial, high-speed network that connects a computer to multiple input/output devices.

Question 72

What are the standards that conform the EIA-232F interface standard?

Question 73

In ____________________, the primary creates a packet of data with the address of the intended terminal and transmits the packet.

Question 74

A(n) ____________________ connection is a single wire with the mainframe connected on one end and multiple terminals connected on the other end.

Question 75

What was the early disadvantage of USB?

Question 76

A(n) ____________________ connection is a special kind of data link connection used to support various types of real-time applications.

Question 77

____________________ is a technique for interfacing disk storage to a computer via the Internet.

Question 78

In a(n) ____________________ connection, a single character, or byte of data, is the unit of transfer between the sender and receiver.

Question 79

If transmitting an analog signal, use the properties of the analog signal itself for self-clocking. For example, an analog signal with a periodic phase change can provide the necessary synchronization.