Chapter 4

Question 1

The ……….. deals with voltages, line capacitance, and other electrical
issues.

Answer 1

electrical component

Question 2

The ……… deals with items such as the connector or
plug description.

Answer 2

mechanical component

Question 3

The ………… describes the function of each pin used in a particular interface.

Answer 3

functional component

Question 4

The …….. describes how the particular circuits are used to perform an operation.

Answer 4

procedural component

Question 5

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

Answer 5

full-duplex connection

Question 6

The ……… is a modern standard for interconnecting many types of peripheral devices to computers.

Answer 6

Universal Serial Bus (USB)

Question 7

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

Answer 7

daisy-chaining.

Question 8

What is a type of interconnection between peripheral devices (such as wireless modems and high-speed digital video cameras) and a microcomputer?

Answer 8

FireWire

Question 9

Fire wire supports what two data connections.

Answer 9

• Asynchronous
• Isochronous

Question 10

What require uninterrupted transport of time-critical data and just-in-time delivery?

Answer 10

Multimedia Applications

Question 11

What interface currently found on Apple laptops and provides a 10-Gbps connection to peripheral devices.

Answer 11

Thunderbolt

Question 12

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

Answer 12

SCSI

Question 13

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

Answer 13

iSCSI, or Internet
SCSI,

Question 14

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

Answer 14

InfiniBand

Question 15

What is high-speed
network that connects a computer to multiple input/output devices.

Answer 15

Fibre Channel

Question 16

What connection one of the simplest examples of a data link protocol and is found primarily in microcomputer-to-dial-up-modem and terminal-to-modem connections.

Answer 16

asynchronous connection

Question 17

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

Answer 17

asynchronous connection,

Question 18

What is a small packet of data

Answer 18

frame

Question 19

A ……… which is always a logic 0, is added to the beginning of the char-
acter and informs the receiver that an incoming data frame is arriving.

Answer 19

start bit

Question 20

What allows the receiver to synchronize with itself to a character.

Answer 20

The start bit

Question 21

The …….. can indicate either
even parity or odd parity, and it performs an error check on only the data bits.

Answer 21

parity bit

Question 22

With a ………. the unit of transmission is a sequence of characters.

Answer 22

synchronous connection

Question 23

The starting and ending sequences of the synchronous connection are called
…….. and are each typically 8 bits (a byte) in length.

Answer 23

Flags

Question 24

An …….. is a special kind of data link connection used to
support various types of real-time applications.

Answer 24

isochronous connection

Question 25

What type of connection is based upon synchronous and asynchronous connections

Answer 25

the terminal-to-mainframe computer connection.

Question 26

A direct connection between a terminal and a mainframe computer is called a

Answer 26

point-to-point connection

Question 27

A ……… is a single wire with the mainframe connected on one end and multiple terminals connected on the other end.

Answer 27

multipoint connection

Question 28

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

Answer 28

polling

Question 29

in earlier years a ……… was called the primary, and each terminal was called a …….. .

Answer 29

• mainframe computer
• secondary

Question 30

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

Answer 30

Roll-call polling

Question 31

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

Answer 31

hub polling

Question 32

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

Answer 32

selection

Question 33

A primary can also use what to broad cast data to all terminals?

Answer 33

selection