Deck 3: Information and Communications Technologies: The Enterprise Architecture

Question 1

The thin, flexible shape of coaxial cables allows them to wind easily through ceilings, walls, and cubicles.

Answer 1

False

Question 2

A wireless router has a wired connection to the network and sends radio signals from the antennae.

Answer 2

True

Question 3

The drive to rebrand some familiar services as "cloud computing" is solely about building a brand new architecture rather than about the marketing hype created.

Answer 3

False

Question 4

Java is often used to provide instructions for set-top cable boxes and webcams.

Question 5

Digital subscriber lines significantly improve transmission speed over twisted pair wires.

Question 6

Speech input devices have overtaken all other input devices.

Question 7

A database is an example of system software.

Question 8

Commercial off-the-shelf software requires permission from the software developers before it can be installed and used.

Question 9

Optical disks are considered high cost primary storage devices.

Question 10

Voice calls that require circuit-switching cannot be configured to a packet-switching network.

Question 11

Joystick is an example of an output device.

Question 12

In a computer, the central processing unit handles information processing, calculations, and control tasks.

Question 13

Virtualization is an important element in the drive toward eco-friendly information systems.

Question 14

Peer-to-peer networks support file sharing on the Internet.

Question 15

The ASCII code determines how characters are encoded into digital strings.

Question 16

In the context of telecommunications, a network is a group of interconnected devices.

Question 17

A drawback of cloud computing is that an extremely reliable Internet connection is a must.

Question 18

Application software includes operating system software and utilities.

Question 19

As a result of the rising demand for wireless bandwidth, there is not a single part of the wireless spectrum that is left unlicensed.

Question 20

COBOL programming language is neither used in present systems nor in legacy business applications.

Question 21

Which of the following best describes a transistor?

A)a cable that transmits bits by means of light pulses along a glass or plastic fiber instead of electrical signals over a conductor
B)an electronic device that can accept, manipulate, store, and output data, and whose instructions can be programmed
C)an older information system that remains in use because it still functions and is costly to replace
D)a small electrical circuit made from a semiconductor material such as silicon

Question 22

Which of the following is a feature of the devices that form the physical basis of information and systems?

A)They are considered computers or computer components.
B)They consist of analog devices.
C)They process information using the hexadecimal numerical system.
D)They are all devices whose computing capacities match those of mainframe computers.

Question 23

Optical scanners are used to ________.

A)track and interpret body movement
B)monitor traffic patterns
C)decipher barcodes and other symbols
D)read information embedded in RFID tags

Question 24

Which of the following is a type of volatile memory typically consisting of integrated circuits located close to the central processing unit (CPU)?

A)random access memory
B)flash memory
C)read-only memory
D)bubble memory

Question 25

Which of the following is true of a byte?

A)It holds eight zeros and ones and represents a single character.
B)It holds twelve bits and represents a nibble.
C)It is the equivalent of two key presses for text.
D)It is the equivalent of a short, text-only email message.

Question 26

Which of the following input devices is capable of transmitting motion and location information?

A)a hard drive
B)a keyboard
C)a mouse
D)an optical drive

Question 27

Which of the following computer components accepts signals and converts them to a digital format that matches the signal's meaning?

A)a monitor
B)a hard disk
C)a keyboard
D)a printer

Question 28

The ________ code defines how keyboard characters are encoded into digital strings of ones and zeros.

A)T)61
B)ASCII
C)ANSEL
D)MARC-8

Question 29

Most applications rely on texting, email, and instant messaging rather than speech recognition because speech recognition ________.

A)is less accurate
B)is more expensive
C)does not have a supporting software
D)requires longer processing time

Question 30

Which of the following statements is true about netbooks?

A)They are a class of computers that are still typically used for massive bulk processing tasks and financial transactions.
B)They are smaller laptops that provide a cost-effective means to wirelessly connect to the Internet.
C)They are networks in which there are no central servers and computers can share files, printers, and an Internet connection with one another.
D)They are high-end computers featuring the fastest processors for calculation-intensive tasks.

Question 31

________ is a technology placed on tags that consist of small chips equipped with a microprocessor, a tiny antenna to receive and transmit data, and sometimes a battery that stores information on the tagged object's history.

A)GPS
B)RFID
C)GPRS
D)CDMA

Question 32

RFID tags are typically used for ________.

A)capturing data on weather conditions
B)processing checks in banks
C)surveillance of ATM machines
D)tracking shipments of physical goods

Question 33

Scanners combined with optical character recognition (OCR)software were first used by ________.

A)banks for processing checks
B)the military for guarding army outposts
C)supermarkets to monitor shipments
D)universities to evaluate answer sheets

Question 34

Which of the following terms describes a roadmap created by an organization to describe its current situation and where it should head to achieve its mission, focusing especially on business strategy and the technology infrastructure required to achieve it?

A)programming paradigm
B)enterprise architecture
C)grid computing
D)software archaeology

Question 35

Which of the following is an important reason why the United States adopted computing much earlier than countries such as China and Japan?

A)Unlike education in China or Japan, education in the United States has been historically based on logic and reasoning.
B)Mathematics, as a subject, was initially developed in the United States, while China and Japan adopted mathematics much later.
C)The Chinese and other cultures were reluctant to abandon traditional computing methods, such as the abacus, in favor of modern computing.
D)The English alphabet is easier to accommodate on the ASCII keyboard than the Chinese or Japanese alphabets.

Question 36

________ capture text or images and convert them to digital format in thousands of settings.

A)Optical scanners
B)RFID tags
C)Touchscreens
D)Mainframes

Question 37

Which of the following classes of computers is still used for massive bulk processing tasks and financial transactions that require high reliability?

A)mainframe computers
B)minicomputers
C)personal computers
D)netbooks

Question 38

Which of the following is a characteristic of random access memory (RAM)?

A)RAM is more easily accessed and searched than hard disk memory.
B)RAM stores memory permanently for use by the central processing unit.
C)RAM refers to a computer's secondary storage area.
D)RAM is volatile storage that is erased when power is turned off or lost.

Question 39

Which of the following is an accurate description of "Moore's Law"?

A)The cost of microprocessor chips is halved about every eighteen months.
B)The amount of data that can be transmitted over an optical fiber cable doubles about every nine months.
C)The number of transistors fitting on a chip doubles about every two years.
D)The cost of a semiconductor fabrication plant doubles about every four years.

Question 40

Which of the following is referred to as the brain of a computer?

A)cache memory
B)operating system
C)central processing unit
D)random access memory

Question 41

Software products such as Microsoft Office, Adobe Premiere, and Quicken are also called ________.

A)legacy software
B)utility software
C)open source software
D)commercial off-the-shelf software

Question 42

Which of the following is Microsoft's proprietary language used in its development environment?

A))NET
B)PHP
C)C++
D)Java

Question 43

Which of the following transmission media is most commonly used in ordinary telephones?

A)coaxial cables
B)twisted pair wires
C)optical fiber
D)ribbon cables

Question 44

Which of the following statements is true about in-memory computing?

A)It refers to the use of secondary storage as the main place information is stored.
B)It is used for applications that benefit from high speed, real-time access.
C)It is mainly used for backup and recovery.
D)It slows down processes to a great extent.

Question 45

Which of the following types of utility software makes deleted files completely unrecoverable?

A)shredder software
B)antivirus software
C)disk defragmenter software
D)compression software

Question 46

In comparison with primary storage, hard drives are ________.

A)more expensive
B)slower in processing information
C)more volatile and lose data when power is turned off
D)smaller in storage capacity

Question 47

Which type of software supports several kinds of individual and business activities, such as email, web browsing, and game playing?

A)system software
B)firmware
C)utility software
D)application software

Question 48

Which of the following classes of computers is widely distributed in developing countries and typically used as a cost-effective means of wirelessly connecting to the Internet?

A)microcomputers
B)mainframe computers
C)netbooks
D)minicomputers

Question 49

Which of the following is an example of an operating system?

A)Mozilla Firefox
B)MS Access
C)Linux
D)Adobe Acrobat Reader

Question 50

Which of the following is the operating system developed by Apple for mobile devices?

A)Symbian
B)Windows 8
C)Android
D)iOS

Question 51

Which of the following is an example of application software?

A)MS Word
B)iOS
C)Windows 7
D)Android

Question 52

Which of the following has raised questions regarding the ethical implications of companies collecting and analyzing enormous amounts of customer data?

A)use of commercial off-the-shelf software
B)use of cloud computing
C)use of target advertising
D)use of open source software

Question 53

Which type of software controls basic operations such as file management, disk storage, and hardware interfaces?

A)application software
B)system software
C)firmware
D)programming software

Question 54

Which of the following tasks is performed by utility software?

A)video editing and web browsing
B)maintaining file structures
C)allocating memory for the needs of application software
D)compressing and backing up files

Question 55

A mobile device with a large touchscreen and virtual keyboard, which is smaller and thinner than a laptop but larger than a smartphone, is known as a ________.

A)microcomputer
B)minicomputer
C)mainframe
D)tablet

Question 56

Which of the following is a function of operating systems?

A)scanning for viruses
B)maintaining file structures
C)compressing and backing up files
D)performing cleanup routines

Question 57

Software that is freely distributed, along with the code underlying the program, so that people can access the code to improve it is known as ________.

A)legacy software
B)proprietary software
C)open source software
D)firmware

Question 58

Which of the following is an open source software product?

A)McAfee Antivirus
B)Mozilla Firefox
C)Adobe Photoshop
D)Microsoft Office

Question 59

Which of the following best describes software as a service (SaaS)?

A)software which is ready to be installed and used immediately after purchase
B)an information system that is owned, hosted, and managed remotely by a vendor
C)an old information system that remains in use because it still functions and is costly to replace
D)software that is available in source code form

Question 60

The maximum amount of information measured in bits per second which a particular channel can transmit is called its ________.

A)frequency
B)amplitude
C)wavelength
D)bandwidth

Question 61

________ refers to the technologies that make voice communications across networks using packet switching feasible, including over the Internet.

A)COBOL
B)VoIP
C)Java
D)RFID

Question 62

Which of the following is an advantage of using twisted pair wires for transmission?

A)Their thin, flexible shape lets them wind easily through ceilings, walls, and cubicles.
B)They carry light pulses rather than electrical signals.
C)They are more sturdy and durable compared to optical fiber cables.
D)They offer the highest rates of data transmission.

Question 63

Which of the following situations is representative of the last mile issue in telecommunications?

A)An e-commerce site is available in only two language versions and customers speaking neither cannot browse through the site while shopping.
B)Subscribers of an Internet service provider that uses optical fiber for Internet connectivity complain of poor Internet speeds as DSL lines have been used as wiring to their homes.
C)Asian buyers of a certain smartphone brand are unable to use features such as 3G and wifi because those countries do not yet have the relevant infrastructure.
D)Students find that the farther they are from their university building, the harder it is to connect to the Internet with their laptops.

Question 64

Which of the following factors makes VoIP technology preferable to customers over circuit-switched network?

A)communication by establishing a dedicated channel
B)installing separate systems for voice and data communications
C)enabling the use of desk phones services exclusively
D)greater range of supplementary services

Question 65

A network which connects computers, printers, scanners, and other devices in a single building or home is called a ________.

A)wide area network
B)personal area network
C)local area network
D)global area network

Question 66

Single inner conductor wires (typically copper)surrounded by insulation, which are then surrounded by a mesh-like conductor are called ________.

A)twisted pair wires
B)coaxial cables
C)optical fiber cables
D)resistance wires

Question 67

Packet-switched network differs from circuit-switched network in that packet-switched network ________.

A)requires the establishment of a channel between the nodes before communicating
B)is used by the phone system exclusively
C)tends to waste capacity
D)travels different routes

Question 68

Which of the following architectures refers to a client-server network in which any particular request by a client involves one or more servers?

A)circuit-switched
B)IPv6
C)n-tier
D)peer-to-peer

Question 69

________ refers to a technology that uses radio waves for connectivity and is commonly used for wireless connections over very short distances.

A)WiMax
B)IPv6
C)Ethernet
D)Bluetooth

Question 70

The frequency of electromagnetic waves is measured in ________.

A)hertz (Hz)
B)decibels (dB)
C)ampere (A)
D)kelvin (K)

Question 71

Which of the following is a computer network in which connections rely on radio waves at frequencies of 2.4 GHz or 5 GHz for transmission?

A)CDMA
B)GPRS
C)Ethernet
D)Wifi

Question 72

Which of the following types of networks has one or more high-performance hosts running programs and storing data that different users can access?

A)client-server network
B)circuit-switched network
C)peer-to-peer network
D)voice over IP network

Question 73

A wireless ________ is a device connected to a computer network that emits signals from its antenna and enables wireless connectivity to the network.

A)router
B)bridge
C)firewall
D)scrambler

Question 74

Which of the following is a drawback of using circuit-switched network?

A)It often wastes capacity.
B)It requires the strings of digital data to be broken into packets before being transmitted.
C)It slows down communication after establishing a channel.
D)It remains unreliable for communication even after establishing a channel.

Question 75

Optical fiber cables are ideal for long distance transmission because ________.

A)they are cheap and easily available
B)they transmit electrical signals over a conductor
C)they do not require special hardware to interface with other transmission media
D)light signals do not degrade

Question 76

Which of the following wired media is typically used to carry television signals?

A)coaxial cables
B)optical fibers
C)twisted pair wires
D)shielded cables

Question 77

Which of the following was a disadvantage of VoIP communication at its initial stages?

A)high cost of communication
B)increased rate of dropped calls or bad audio
C)greater inefficiency due to wasted capacity
D)communication by establishing a channel between the nodes

Question 78

Mary connects to the Internet and types the address of a web page on her browser. The browser sends a request to the system hosting the web page, which then sends back the instructions to display the page requested. Which network is being used in this process?

A)circuit-switched network
B)client-server network
C)peer-to-peer network
D)VoIP network

Question 79

Which of the following statements is true of microwave transmissions?

A)They consist of waves shorter than visible light.
B)They send signals in the gigahertz range to relays in the line of sight.
C)They cannot traverse more than 20 kilometers when earthbound.
D)They cannot be transmitted to satellites.

Question 80

Which of the following best describes wavelength?

A)It is the maximum transmission, in bit rate, across a channel.
B)It is the number of cycles that a wave repeats per second.
C)It is the distance between one peak of an electromagnetic wave to the next.
D)It is the speed at which a wave travels through a physical medium or through a vacuum.