Deck 2: Introduction to Computers

Question 1

Computer processing involves, in order:

A)programming, output, and input
B)input, output, and processing
C)input, processing, and output
D)input, programming, and output

Answer 1

input, processing, and output

Question 2

Which classification of computers are large, high-capacity computers that can process data at extremely high speeds?

A)supercomputer
B)minicomputer
C)microcomputer
D)mainframe computers

Answer 2

supercomputer

Question 3

Which of the following describes a method in which instructions are fetched and decoded at any given time in various stages?

A)pipeline processing
B)multiprocessing
C)multitasking
D)serial processing

Answer 3

pipeline processing

Question 4

The arithmetic-logic unit is part of the control unit.

Question 5

A bit is a contraction for binary digit.

Question 6

Computers are now used in radiology to process images.

Question 7

The word computer means a machine for solving problems.

Question 8

Natural languages include acronyms such as BASIC, COBOL, and FORTRAN.

Question 9

One kilobyte is equal to 1000 bytes.

Question 10

Computed tomography scanners and magnetic resonance imagers both use a ______for image processing.

A)microcomputer
B)minicomputer
C)supercomputer
D)mainframe computer

Question 11

Sixteen binary bits (two bytes) equal a word.

Question 12

Using separate computers to perform different tasks is referred to as:

A)distributed processing
B)parallel processing
C)serial processing
D)multitasking

Question 13

Which of the following became the first commercially available computer?

A)universal automatic computer
B)electronic tabulator
C)difference engine
D)abacus

Question 14

An analog-to-digital converter consists of a sampler, a quantizer, and a coder.

Question 15

An eight-bit microprocessor can represent:

A)8 numbers
B)16 numbers
C)64 numbers
D)256 numbers

Question 16

Which of the following characterizes fifth-generation computers?

A)vacuum tubes used for memory
B)silicon-based circuitry
C)transistors
D)artificial intelligence

Question 17

A computer system consists of:

A)people and hardware
B)hardware and software
C)software and people
D)hardware, software, and people

Question 18

The keyboard is an example of output hardware.

Question 19

A group of 16 bits equals 1 byte.

Question 20

Which term relates to first-generation computers?

A)silicon-based circuitry
B)MFLOPS
C)vacuum tubes
D)transistors

Question 21

Which of the following directs the activities of the computer using instructions stored in memory?

A)arithmetic-logic unit
B)control unit
C)registers and buses
D)internal memory

Question 22

The following are examples of operating systems except:

A)UNIX
B)Microsoft Word
C)OS/2
D)Macintosh OS

Question 23

The computer science application that deals essentially with the display of pictures on a computer screen is called:

A)artificial intelligence
B)computer graphics
C)expert systems
D)virtual reality

Question 24

Transmission media or channels include all of the following except:

A)coaxial cable
B)twisted pair wires
C)radio waves
D)telephone lines

Question 25

The approaches to secondary storage include all of the following except:

A)semiconductor chips or integrated circuits
B)magnetic tapes
C)magnetic disks
D)optical disks

Question 26

The introduction of the integrated circuit etched onto silicon chips and using magnetic disks for storage was a feature of which generation of computers?

A)first generation
B)second generation
C)third generation
D)fourth generation

Question 27

Which of the following can handle not only communications data but also audio and video signals at the same time over the same cables?

A)integrated services digital network (ISDN)
B)modem
C)coaxial cable
D)multiplexer

Question 28

The use of graphic symbols to indicate the sequence of operations needed to solve a problem is called a:

A)pseudocode
B)top-down program design
C)flow chart
D)logic structure

Question 29

What is the program stored in ROM that starts up the computer and loads the operating system?

A)bootstrap loader
B)input-output system program
C)BASIC
D)LOGO

Question 30

Which of the following chips provide temporary storage of data and programs to be processed by the central processing unit?

A)ROM chips
B)RAM chips
C)PROM chips
D)EEPROM chips

Question 31

Which of the following uses software as a tool to provide additional information to the radiologist to make a diagnosis?

A)expert system
B)virtual reality
C)computer-aided detection (CAD)
D)artificial intelligence

Question 32

Computer memory capacity is expressed in all of the following, except:

A)megabytes (MB)
B)gigabytes (GB)
C)terabytes (TB)
D)megagram (MG)

Question 33

The analog-to-digital converter:

A)converts analog input into digital data
B)converts digital data into analog data
C)converts binary digits into voltage
D)converts binary digits into a computed tomography image

Question 34

The following are examples of applications software except:

A)Microsoft Works
B)First Choice
C)Framework
D)MS-DOS

Question 35

Which of the following storage devices has a high capacity and provides very fast access to stored data?

A) -inch diskette, double-sided, high density
B)CD-ROM optical disk
C)magnetic tape streamer
D)digital audio tape

Question 36

All the following represent hardware except the:

A)keyboard
B)computer program
C)mouse
D)cathode ray tube

Question 37

Which of the following is not an imaging application of the computer?

A)computed tomography
B)film library functions
C)magnetic resonance imaging
D)digital radiography

Question 38

Star networks can be applied to which of the following?

A)bus network
B)local area network
C)hierarchical network
D)ring network

Question 39

Which of the following converts digital data to analog signals and analog signals back to digital data?

A)telephone wires
B)modems
C)computer terminal
D)multiplexer

Question 40

Which of the following is an example of computer software?

A)magnetic disks
B)magnetic tapes and drums
C)optical disks
D)computer programs

Question 41

Please match the following computer concepts for each group. All answer selections will be used just once.

Artificial intelligence

A)Mimicking human intelligence
B)Secondary storage
C)Destructive program
D)Modem
E)UNIX
F)Output hardware
G)CD-ROM

Question 42

Please match the following computer concepts for each group. All answer selections will be used just once.

Kilobyte

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 43

Please match the following computer concepts for each group. All answer selections will be used just once.

Operating system

A)Mimicking human intelligence
B)Secondary storage
C)Destructive program
D)Modem
E)UNIX
F)Output hardware
G)CD-ROM

Question 44

Please match the following computer concepts for each group. All answer selections will be used just once.

Virus

A)Mimicking human intelligence
B)Secondary storage
C)Destructive program
D)Modem
E)UNIX
F)Output hardware
G)CD-ROM

Question 45

Which of the following uses a laser beam to write and read information from it? I. magnetic disks
II) optical disks
III) magnetic tapes

A)I only
B)II only
C)III only
D)I, II, and III

Question 46

Please match the following computer concepts for each group. All answer selections will be used just once.

Display monitor

A)Mimicking human intelligence
B)Secondary storage
C)Destructive program
D)Modem
E)UNIX
F)Output hardware
G)CD-ROM

Question 47

Which of the following can damage a computer program without the user knowing about it?

A)viruses
B)expert systems
C)the use of incorrect syntax
D)the Internet

Question 48

Please match the following computer concepts for each group. All answer selections will be used just once.

Microprocessor

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 49

Please match the following computer concepts for each group. All answer selections will be used just once.

Laser beam

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 50

Which of the following is used as a workstation in computed tomography?

A)minicomputer
B)microcomputer
C)supercomputer
D)mainframe computer

Question 51

Please match the following computer concepts for each group. All answer selections will be used just once.

Megabyte

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 52

Please match the following computer concepts for each group. All answer selections will be used just once.

Byte

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 53

Secondary storage refers to all of the following except:

A)read-only memory
B)magnetic tapes
C)magnetic disks
D)optical disks

Question 54

Please match the following computer concepts for each group. All answer selections will be used just once.

Word

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 55

Please match the following computer concepts for each group. All answer selections will be used just once.

RAM and ROM

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 56

Please match the following computer concepts for each group. All answer selections will be used just once.

Magnetic tape

A)Mimicking human intelligence
B)Secondary storage
C)Destructive program
D)Modem
E)UNIX
F)Output hardware
G)CD-ROM

Question 57

Please match the following computer concepts for each group. All answer selections will be used just once.

Binary digit

A)Digital integrated circuit
B)A string of 8 bits
C)2 bytes
D)1,000,000 bytes
E)Internal memory
F)1000 bytes
G)Bit
H)Optical disk

Question 58

Please match the following computer concepts for each group. All answer selections will be used just once.

Optical disk

A)Mimicking human intelligence
B)Secondary storage
C)Destructive program
D)Modem
E)UNIX
F)Output hardware
G)CD-ROM

Question 59

Which imaging communication protocol is used with picture archiving and communications systems?

A)health level
B)digital imaging and communications in medicine
C)hospital information system
D)radiology information system

Question 60

Please match the following computer concepts for each group. All answer selections will be used just once.

Modulation-demodulation

A)Mimicking human intelligence
B)Secondary storage
C)Destructive program
D)Modem
E)UNIX
F)Output hardware
G)CD-ROM