Digital Imaging 7 + 8

5

If a PC had a 5.0-GHz CPU, it would have a system clock that would tick ______ billion times per second. 1. 3 2. 5 3. 7 4. 1

False

One of the functions of the "box" is to shield the components from radio waves and satellite frequencies. True False

temporary

Ram is _____. 1. permanent 2. temporary 3. forever 4. long term

A microprocessor found on the motherboard

The CPU is ______. 1. A microprocessor found on the motherboard 2. An external storage device 3. The "box" 4. A stand-alone microprocessor

1985

The first version of DICOM wa completed in _____. 1. 1985 2. 1995 3. 1975 4. 2005

Start-up diagnostics

The microprocessor uses the BIOS during ______. 1. The shutdown process 2. The stand-by mode 3. The start-down process 4. Start-up diagnostics

Gold

What metal is contained behind the outer layers of a DVD? 1. Platinum 2. Silver 3. Gold 4. Aluminum

Ring

A network on which devices are connectedin a circle is known as a _____ network. 1. Bus 2. Ring 3. Star 4. Mesh

Sends data only to data directed devices

A network switch _______. 1. Sends data only to data directed devices 2. Is the simplest connection device 3. Is a device that directs portions of messages to intended targets 4. Is a wired connection from one network to another

server based

A network that utilizes a central computer that sends the entire original resource to the client is known as a _______ network. 1. server based 2. wide area 3. local area 4. client based

8,1

A parallel port sends ______ bit(s) of data through a connection compared with a serial port, which can send ______ bit(s) of data. 1. 1,8 2. 8,2 3. 2,8 4. 8,1

A computer that manages resources for other computers

A server is __________. 1. Any comptuer that needs a server for task completion 2. A computer that works independently of the network 3. A computer that manages resources for other computers 4. All of the above

Serial

All mice connections are ______ type. 1. Pier 2. Port 3. Parallel 4. Serial

ones and zeros

Binary code is a computer language based on ________. 1. ones, tens, and zeros 2. ones and tens 3. ones and zeros 4. tens and zeros

SCU

Devices commonly referred to as roles include ______. 1. MRI 2. DICOM 3. ACR 4. SCU

Physical

Ethernet protocol performs at the ______ layer. 1. Network 2. Internet 3. Transport 4. Physical

No switches of hubs are necessary

In a bus network, _______. 1. Redundancy is built in with multiple connections 2. Devices are connected to a central hub 3. A token is transmitted around the ring 4. No switches of hubs are necessary

Physical cabling

Wireless connections require all except which one of the following? 1. Infrared or radiofrequencies 2. Transmitter/receiver 3. Consideration of wall thickness 4. Physical cabling

Dot pitch

______ represents how close the dots are located to one another within a pixel 1. Dot pitch 2. Dot matrix 3. Aspect ratio 4. Viewable area

DICOM

The almost universally accepted standard for exchanging medical images is known as ______. 1. TCP/IP 2. ACR 3. NEMA 4. DICOM

ports

The collection of connectors sticking out of the back of the PC is known as __________. 1. terminals 2. piers 3. ports 4. docks

False

The higher the resolution, the less information that can be displayed on the monitor. True False

7

The information storage capacity of a DVD is ______ times more than that of a CD. 1. 5 2. 1 3. 3 4. 7

Twisted-pair

The most common connection medium for a LAN is ___. 1. Infrared 2. Fiber optic 3. Twisted-pair 4. Coaxial

Fiber optic

The most fragile type of network connection is ______. 1. Twisted-pair 2. Infrared 3. Fiber optic 4. Coaxial

Fiber optic

The network connection that uses glass threads to transmit data is _____. 1. Fiber optic 2. Twisted-pair 3. Coaxial 4. Infrared

BUS

The series of connections, controllers, and chips that create the information highway within the computer system is known as the ______. 1. BIOS 2. motherboard 3. Memory 4. BUS

HL-7

The standard that oversees most computerized clinical and administrative data is known as _______. 1. HIS 2. HL-7 3. DICOM 4. RIS

EMR

The system that holds a specific patient's lab results, radiology reports, and physician notes is the _____. 1. RIS 2. PACS 3. HIS 4. EMR

B. from an off state to on and vice versa

Response rate refers to the amount of time it takes the crystal to go : A. To an on state B. from an off state to on and vice versa c. to an off state d. from an on state to an off state

R

"Write once, read many" is represented by which of the following identifiers? 1. RW 2. ROM 3. RO 4. R

icon

A GUI is best known as a(n) ______. 1. file command 2. icon 3. memory unit 4. word command

Input

A barcode reader is a type of _______ device. 1. Processing 2. Output 3. Input 4. CPU

wide area

A computer network that spans a large area such as a city, state, nation, or continent is known as a _____ network. 1. wide area 2. small area 3. Peer to Peer 4. Client based

Bridge

A connection device that can bring two or more networks together that speak the same language is known as a _______. 1. Router 2. Hub 3. Bridge 4. Switch

network interface card

A device that provides the interface between the computer and network is known as a _______. 1. computer connection chip 2. computer interface chip 3. network interface card 4. network connection card

One green dot, one blue dot, one red dot

A dot triad is a grouping of ______. 1. One green dot, one blue dot, one yellow dot 2. One green dot, one blue dot, one red dot 3. One red dot, one blue dot, one yellow dot 4. One red dot, one green dot, one yellow dot

Single-user, single-task

A handheld personal organizer is an example of a ______ operating system. 1. Single-user, multitask 2. Single-user, single-task 3. Real-time 4. multiuser

Internet protocol

A type of computer addressing that is made up of four octets of numbers is the _______. 1. Transmission protocol 2. Network protocol 3. Router 4. Internet protocol

modem

All of the following are common SCSI devices except ______. 1. scanner 2. modem 3. hard drive 4. CD-ROM 5. printers

Hologic

All of the following are major operating systems except ____. 1. Macintosh 2. Windows 3. Hologic 4. UNIX/Linus

modem

All of the following are used with a serial port except a ______. 1. mouse 2. modem 3. cpu 4. printer

BCBV

All of the following use buses that are found within the computer except ______. 1. AGP 2. USB 3. BCBV 4. SCSI

coaxial

Cable consisting of a center conducting wire surrounded by insulation and a grounded shield of braided wire is called _____. 1. coaxial 2. infrared 3. fiber optic 4. twisted-pair

It did not require a conformance system

DICOM was considered better than previous exchange mechanisms for all but which one of the following? 1. It did not require a conformance system 2. It runs on top of TCP/IP 3. It required strict image header contents 4. It embraced an open standard of development

32

How many bits make up four bytes? 1. 64 2. 8 3. 32 4. 16

1

How many bytes are needed to store one alphanumeric character? 1. 64 2. 8 3. 32 4. 1

10 MB

Storage capacity for early hard drives was ______. 1. 100 GB 2. 100 MB 3. 10 MB 4. 10 GB

A transistor is closed and the current passes through

In the binary code, the value of one is assigned when ____________. 1. A transistor is closed and the current passes through 2. A tranistor is open and the current passes through 3. A transistor is open and the current does not pass through 4. A transistor is closed and the current does not pass through

Peer to Peer

In which network type is each computer on the network considered equal? 1. Server based 2. Client based 3. Peer to Peer 4. None of the above

Shrink file size

Lossy compression is used to _____. 1. Increase image detail 2. Shrink file size 3. Reduce image degradation 4. Decrease compression values

bytes

Memory is measured in ____. 1. joules 2. bytes 3. bits 4. hertz

PS/2

Most modern keyboards connect to the back of the "box" using a ______ connection. 1. PS/2 2. PS/1 3. PS/3 4. PS/4

motherboard

Most network interface cards plug directly into the _____. 1. audio/video port 2. CD drive 3. USB port 4. motherboard

Random-access

RAM is an acronym for ______ memory 1. Rapid access 2. Random-access 3. Read access 4. Read alternative

radiology

RIS is specific to _______. 1. patient billing 2. radiology 3. the hospital 4. the patient

modern x-ray equipment

Real-time operating systems are commonly found on ______. 1. large company mainframes 2. personal computer 3. modern x-ray equipment 4. personal organizer

pixel

The basic picture element is known as a ______. 1. bit 2. dot 3. pixel 4. matrix

mobility and convenience

The biggest advantages of wireless networks are _____. 1. wall thickness and composition 2. cost and location from source 3. mobility and convenience 4. size and shape of transmitters

scsi

The fastest and most versatile port is the ______. 1. parallel port 2. scsi 3. serial port 4. USB

LAN

The least expensive network to install is a _______. 1.LAN 2.MRI scanner 3.WAN 4.CT scanner

60 to 75

The most common refresh rates found on computers are set between ______ Hz 1. 60 to 65 2. 60 to 75 3. 60 to 80 4. 60 to 70

False

The mouse is the second most used computer output device. True False

Decides which network path to take

The network layer breaks up data and ____. 1. Decides which network path to take 2. Consists of networking media 3. Ensures that there are no errors 4. Includes ethernet performance

True

The operating system software acts as a bridge between applications and hardware. True False

conformance statement

The part of DICOM that ensures that modalities can communicate with existing image-viewing devices is _____. 1. conformance statement 2. Data structures 3. Data dictionary 4. Message exchange

True

The power supply is designed to absorb the force of a power surge to the computer. True False

flicker

The refresh rate controls the ______. 1. scan 2. flicker 3. reload 4. resolution

Hub

The simplest connection device is the ______. 1. Hub 2. Switch 3. Bridge 4. Router

vibrating quartz crystal

The system clock uses a ______. 1. vibrating lithium crystal 2. vibrating quartz crystal 3. quartz battery 4. lithium battery

HIS

The system that contains patient information, billing records, and inpatient orders is the _____. 1. HIS 2. RIS 3. PACS 4. EMR

Star

The topology in which the bus is collapsed into a central box is the _____. 1. Ring 2. Mesh 3. Star 4. Hub

Mesh

The topology on which the internet is based is the _____. 1. Ring 2. Mesh 3. Star 4. Hub

Makes sure data packets are sequenced

The transport layer of the OSI model ______. 1. Packages the data for transmission 2. Makes sure data packets are sequenced 3. Moves bits from one place to another 4. Breaks up data into frames

computer

Two or more objects sharing resources and information or computers, terminals, and servers interconnected by communication channels is a definition of ______ network. 1. local area 2. wide area 3. computer 4. All of the above

Bell

UNIX was first developed by ______. 1. Dell 2. Microsoft 3. Hewlett-Packard 4. Bell

A computer that works independently of the network

Which of the following describes a thick client computer? 1. Any computer that needs a server for task completion 2. A computer that works independently of the network 3. A computer that manages resources for other computers 4. All of the above

Any computer that needs a server for task completion

Which of the following describes a thin client computer? 1. Any computer that needs a server for task completion 2. A computer that works independently of the network 3. A computer that manages resources for other computers 4. All of the above

LAN

Which of the following is considered a geographic category of networks? 1. MRI scanner 2. LAN 3. CT Scanner 4. CR reader

Conformance statement

Which of the following is not one of the parts of the DICOM standard? 1. Data structures 2. Data dictionary 3. Message exchange 4. Conformance statement

Peer to Peer

Which one of the following is not considered a type of computer found on a network? 1. Thick client 2. Peer to Peer 3. Thin client 4. Server