Deck 2: Computers: The Machines Behind Computing

Question 1

A server is a set of programs for controlling and managing computer hardware and software.

Answer 1

False

Question 2

A _____ is a peripheral device for recording,storing,and retrieving information.

A)disk drive
B)motherboard
C)control unit
D)multiprocessor

Answer 2

A

Question 3

The hardware component of a computer system consists of programs written in computer languages.

Answer 3

False

Question 4

Inkjet printers produce characters by projecting electrically charged droplets of ink onto paper that create an image.

Question 5

Sometimes,fourth-generation languages (4GLs)are called procedural languages.

Question 6

A computer with a 32-bit processor can perform calculations with larger numbers and be more efficient with smaller numbers than a 64-bit system.

Question 7

A(n)_____ is a step-by-step direction for performing a specific task,which is written in a language the computer can understand.

A)array
B)server
C)cache
D)program

Question 8

Both the arithmetic logic unit (ALU)and the control unit are part of the Basic Input / Output System.

Question 9

Very-large-scale integration (VLSI)circuits were introduced in the fifth-generation computers.

Question 10

The split keyboard was developed for better ergonomics.

Question 11

A byte is a single value of 0 or 1.

Question 12

A(n)_____ is an interface between a computer and a printer that enables the computer to transfer multiple bits of information to the printer simultaneously.

A)parallel port
B)serial port
C)arithmetic logic unit
D)control unit

Question 13

Computers can store massive amounts of data in small spaces.

Question 14

A _____ is a link between devices connected to a computer.

A)motherboard
B)control unit
C)disk drive
D)bus

Question 15

A(n)_____ is a communication interface through which information is transferred one bit at a time.

A)serial port
B)parallel port
C)extended capability port
D)enhanced parallel port

Question 16

In a network-attached storage (NAS),as the number of users increases,its performance increases.

Question 17

A personal computer can perform a variety of tasks by using application software,which can be commercial software or software developed in house.

Question 18

An object code must be translated into source code for a computer to be able to read and execute it.

Question 19

ENIAC is an example of a first-generation computer.

Question 20

Extended ASCII is a data code that allows the representation of 1024 characters.

Question 21

Computers and communication systems use _____ to represent and transfer information between computers and network systems.

A)intranetos
B)light pens
C)data codes
D)prototypes

Question 22

Identify the drawback of silicon because of which computer designers concentrate on technologies that use gallium arsenide.

A)Silicon cannot be used for mass production of silicon devices.
B)Silicon cannot emit light and has speed limitations.
C)Silicon is very soft and fragile.
D)Silicon is very expensive.

Question 23

Every character,number,or symbol on the keyboard is represented as a _____ in computer memory.

A)index number
B)hexadecimal number
C)octal number
D)binary number

Question 24

A _____ is the size of a character.

A)nibble
B)bit
C)byte
D)word

Question 25

Trackballs are ideal for notebook computers because they _____.

A)occupy less space than a mouse
B)rely on light detection to determine which menu item has been selected
C)can be moved over a wider surface area
D)allow faster,more precise cursor positioning than a mouse

Question 26

Extended ASCII data code allows representation of _____ characters.

A)1042
B)265
C)256
D)1024

Question 27

Third-generation computers introduced _____.

A)remote data entry
B)miniaturization
C)parallel processing
D)optical discs

Question 28

Identify the file in which each alphabetic,numeric,or special character is represented with a 7-bit binary number.

A)Extended Binary Code Decimal Interchange Code
B)Unicode
C)American Standard Code for Information Interchange
D)Extended ASCII

Question 29

Beginning in the 1940s,first-generation computers used _____.

A)transistors
B)vacuum tube technology
C)integrated circuits
D)laser technology

Question 30

A petabyte is equal to _____ bytes.

A)230
B)240
C)250
D)260

Question 31

Second-generation computers used _____.

A)vacuum tube technology
B)transistors
C)integrated circuits
D)laser technology

Question 32

A(n)_____ is a common output device for soft copy.

A)liquid crystal display
B)floppy disk
C)laser printer
D)electrostatic plotter

Question 33

The word computer consists of 64 bits,which is equivalent to _____ bytes.

A)6
B)8
C)16
D)32

Question 34

Identify an advantage of using a mouse over a trackball.

A)The size of a mouse is smaller than that of a trackball.
B)Positioning with a mouse is more precise than with a trackball.
C)A mouse occupies less space than a trackball.
D)A mouse is stationary,whereas a trackball has to be moved around.

Question 35

A _____ is a pointing device that moves the cursor on the screen,allowing fast,precise cursor positioning.

A)motherboard
B)keyboard
C)mouse
D)kernel

Question 36

Identify an input device used to grade multiple-choice and true / false tests.

A)Optical character reader (OCR)
B)Magnetic character sensor (MCS)
C)Magnetic ink character recognition (MICR)system
D)Optical mark recognition (OMR)system

Question 37

An advantage of silicon over gallium arsenide is that _____.

A)it is less fragile than gallium arsenide
B)it survives much higher doses of radiation than gallium arsenide
C)it withstands higher temperatures than gallium arsenide
D)it emits light,whereas gallium arsenide does not

Question 38

Which of the following is an input device?

A)Touch screen
B)Cathode ray tube
C)Liquid crystal display
D)Inkjet printer

Question 39

_____ means saving data in computer memory.

A)Stream
B)Retrieval
C)Syndication
D)Storage

Question 40

An ASCII file defines up to _____ characters.

A)8
B)128
C)258
D)1024

Question 41

The supervisor program in an operating system (OS)is called the _____.

A)kernel
B)metadata
C)applet
D)cache

Question 42

An employee prints a document from his computer through a printer placed in a different location of the same network.Which of the following allows the employee to connect to network resources?

A)Remote access servers
B)Web servers
C)Application servers
D)Disk servers

Question 43

The control programs managing computer hardware and software perform the _____ function to control and prioritize tasks performed by the CPU.

A)application management
B)resource management
C)data management
D)job management

Question 44

Which of the following is the OS for most PCs and belongs to the system software group?

A)Microsoft Windows
B)Microsoft Excel
C)Microsoft Access
D)Microsoft Publisher

Question 45

_____ storage,which is used for online storage and backup,involves multiple virtual servers that are usually hosted by third parties.

A)Kernel
B)Buffer
C)Cache
D)Cloud

Question 46

Identify a true statement about the supervisor program.

A)It controls all the programs in the OS to perform special tasks.
B)It prioritizes tasks performed by the CPU.
C)It transfers data among other parts of a computer system.
D)It generates checksum programs to verify that data is not corrupted.

Question 47

A _____ allows data to be stored in multiple places to improve a system's reliability.

A)remote access server
B)network-attached storage
C)random access memory
D)redundant array of independent disks

Question 48

Which of the following memory devices allows data to be read and written?

A)magnetic storage
B)optical storage
C)random access memory (RAM)
D)read-only memory (ROM)

Question 49

UNIX is a type of _____.

A)storage area network
B)application software
C)remote access server
D)operating system

Question 50

The Clipboard's contents are typically stored in _____.

A)read-only memory (ROM)
B)random access memory (RAM)
C)magnetic disks
D)magnetic tapes

Question 51

Which of the following is true about magnetic tapes?

A)It is made of metal.
B)It stores data sequentially.
C)It resembles a compact disc.
D)It is a main memory device.

Question 52

Which of the following statements is true of inkjet printers?

A)An inkjet printer uses multicolored ink cartridges to print digital photographs.
B)An inkjet printer's output is called a soft copy.
C)An inkjet printer uses laser-based technology that creates electrical charges on a rotating drum to attract toner.
D)An inkjet printer is used in large office environments with high-volume and high-quality printing requirements.

Question 53

How is read-only memory (ROM)different from random access memory (RAM)?

A)ROM is volatile memory,whereas RAM is nonvolatile memory.
B)ROM is a secondary memory,whereas RAM is a primary memory.
C)ROM is nonvolatile memory,whereas RAM is volatile memory.
D)ROM is a read-write memory,whereas RAM is read only memory.

Question 54

Identify a true statement about laser printers.

A)Laser printers use toners to create high-quality output.
B)Laser printers are used to generate three dimensional output.
C)Laser printers use plotters to create high-quality output.
D)Laser printers use solid ink to generate two dimensional output.

Question 55

_____,which is nonvolatile,holds data when the computer is off or during the course of a program's operation,and it is also used to store large volumes of data for long periods.

A)Random access memory
B)Read-only memory
C)Secondary memory
D)Programmable read-only memory

Question 56

A write once,read many (WORM)disc is a common type of _____.

A)magnetic storage
B)optical storage
C)random access memory (RAM)
D)read-only memory (ROM)

Question 57

Identify the computer that has the highest storage capability.

A)Subnotebooks
B)Notebooks
C)Personal computers
D)Supercomputers

Question 58

CD-ROMs and DVDs are examples of _____.

A)magnetic tapes
B)magnetic disks
C)optical discs
D)main memory devices

Question 59

Which of the following best defines an operating system?

A)It is a set of programs for controlling and managing computer hardware and software.
B)It is a computer and all the software for managing network resources and offering services to a network.
C)It is a collection of disk drives used for fault tolerance,typically in large network systems.
D)It is the main circuit board containing connectors for attaching additional boards.

Question 60

Identify a true statement about memory devices.

A)The contents of flash memory cannot be reprogrammed.
B)The contents of random access memory cannot be reprogrammed.
C)The contents of programmable read-only memory cannot be reprogrammed.
D)The contents of cache random access memory cannot be reprogrammed.

Question 61

Codes written for one type of computer using _________ language do not work on another type of computer.A.assembly B.structured query C.fourth-generation D.fifth-generation

Question 62

Microsoft PowerPoint is the most commonly used _________ software.? A.desktop publishing
B)presentation
C)graphics
D)project management

Question 63

A _________,made of Mylar,is used for random-access processing of data in a computer.

A)magnetic tape
B)hard disk
C)cassette tape
D)magnetic disk

Question 64

Which of the following computer languages use mnemonics to represent data?

A)Assembly language
B)First-generation language
C)Fourth-generation language
D)Machine language

Question 65

_________ bits equal 1 byte.

A)Six
B)Eight
C)Twenty four
D)Thirty two​

Question 66

The _________ is the heart of a computer.

A)main memory
B)Basic Input / Output System (BIOS)
C)central processing unit (CPU)
D)serial port

Question 67

Corel Quattro Pro is an example of _________ software.? A.word-processing
B)spreadsheet
C)database
D)desktop publishing

Question 68

A source code must be first translated into _________ code.

A)binary
B)object
C)machine
D)assembly

Question 69

_____ software is used for drafting and has replaced traditional tools,such as T-squares,triangles,paper,and pencils.

A)Graphics
B)Project management
C)Computer-aided design
D)Presentation

Question 70

The most common type of main memory is a semiconductor memory chip made of _________.

A)arsenic
B)germanium
C)silicon
D)manganese

Question 71

A(n)_________ is the enclosure containing a computer's main components.

A)disk drive
B)computer chassis
C)expansion slot
D)parallel port

Question 72

_________ computers include parallel processing,gallium arsenide chips that run at higher speeds and consume less power than silicon chips and optical technologies.

A)Second-generation
B)Third-generation
C)Fourth-generation
D)Fifth-generation

Question 73

A _________ is an input device for computers.

A)mouse
B)printer
C)monitor
D)speaker

Question 74

Identify a computer language that is machine dependent.

A)High-level language
B)Assembly language
C)Extensible markup language
D)Structure query language

Question 75

_____ computer languages are machine independent and are called high-level languages.

A)First-generation
B)Second-generation
C)Third-generation
D)Fourth-generation

Question 76

The _________ tells the computer what to do,such as instructing the computer which device to read or send output to.

A)main memory
B)motherboard
C)operating system
D)control unit

Question 77

_________ are compatible with the IBM System / 360 line introduced in 1965.

A)Minicomputers
B)Mainframe computers
C)Personal computers
D)Super computers

Question 78

Java and C++ are _____ languages.

A)assembly
B)high-level
C)machine
D)compiler

Question 79

_________ store computer software,which users can access from their workstations.

A)Database servers
B)Web servers
C)Application servers
D)File servers

Question 80

A(n)_________,a memory device,uses laser beams to access and store data.

A)magnetic tape
B)memory chip
C)optical disc
D)digital card