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Ulit lng > Cs100 prelims (pt 1) > Flashcards

Cs100 prelims (pt 1) Flashcards

1
Q

a machine that allows a user to
perform calculations or
computations.

A

Computers

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2
Q

What makes a computer a computer?

A

Input
Output
Processing
Storage
Programmability

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3
Q

Receives data

A

Input

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4
Q

Displays or produces information

A

Output

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5
Q

Manipulates data

A

Processing

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6
Q

Saves data for later use

A

Storage

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7
Q

can be instructed to perform tasks

A

Programmability

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8
Q

What are computers in academic use?

A

To check Learning Management
Systems (Blackboard Learn)
To read reference material
To communicate with peers or
mentors
To write academic or scholarly
materials

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9
Q

Computers in
Professional Use

A

-Use spreadsheet for budget
tracking + performing other
heavy-duty computations
-Transfer information from one
location to another
-Conduct virtual meetings with
clients and other stakeholders

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10
Q

Computers in Society

A

Weather Forecasting
Banking and Finance
Accessing Information
Job Search
Entertainment / Gaming
Accessibility for PWD
Healthcare and Public Safety
Others

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11
Q

History of Computers

A

Ancient and Classical Era
The 19th Century
The 20th Century and Now

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12
Q

Ancient and Classical Era

A

The Abacus, Sumer (ca. 2700 – 2300 BC)
The Abacus, China (ca. 1050 – 771 BC)
The Antikythera Mechanism, Greece (ca. 100 BC)

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13
Q

The 19th Century

A

The Analytical Engine, Babbage & Lovelace (1837), Swade (2002)
Arithmometer, Payen (1887)

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14
Q

The 20th Century and Now

A

Electronic Numerical Integrator and Computer (ENIAC), Beck & Snyder, 1945
Universal Automatic Computer (UNIVAC), Eckert & Mauchly, 1951
Age of Transistors, 1950s
Age of Integrated Circuits, 1960s
Age of Microprocessors, 1970s
Apple II Computer, Apple, Inc., Jobs & Wozniak, 1978
Age of Personal and Ubiquitous Computers 1980s – 2020s
Age of Quantum Computers, 2030s

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15
Q

Who observed Moore’s law?

A

Gordon Moore

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16
Q

What is Moore’s law

A

It states that Number of transistors on a microchip doubles roughly every two years

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17
Q

ISSUES IN COMPUTING

A

Digital divide
Cybercrime
Data Privacy Violations

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18
Q

Is the act of effective use of digital tools and resources.

A

Digital Literacy

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19
Q

Being digitally literate makes you a __________

A

Digital Citizen

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20
Q

Critically evaluating digital information and media.

A

Digital literacy

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21
Q

Observing safe and responsible online behavior.

A

Digital literacy

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22
Q

despite how progressive society is, there are areas that are being left out

A

Digital divide

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23
Q

This results in slow progress, overall leaving a sector / community behind everyone else

A

Digital divide

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24
Q

Digital divide factors/Barriers

A

Geographical
Political
Economic
Educational

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25
Q

Its impossible to supply power into some areas in the philippines due to their remote location

A

Geographical

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26
Q

Democratic people’s republic of korea restricts internet access and computer use to privileged individuals

A

Political

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27
Q

Some people can’t afford to purchase computers or have decent internet access

A

Economic

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28
Q

Some cannot even read nor write, what more of using a computer

A

Educational

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29
Q

An act of protecting computer systems and networks from digital attacks.

A

Cybersecurity

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30
Q

Safeguarding confidential data from unauthorized access, use, disclosure, disruption, modification, or destruction

A

Cybersecurity

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31
Q

Implementing security measures to reduce risks and vulnerabilities.

A

Cybersecurity

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32
Q

Ensuring business continuity and resilience against cyber threats.

A

Cybersecurity

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33
Q

are online or computer-based illegal actions.

A

Cybercrimes

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34
Q

This includes actions such as hacking, identity theft, and spreading malware to steal data or disrupt systems, to name a few.

A

Cybercrimes

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35
Q

Protection of personal information from unauthorized access.

A

Data Privacy

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36
Q

Individuals control how their data is collected, used, and shared

A

Data Privacy

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37
Q

occurs when personal information is collected, used, or disclosed without proper authorization or consent.

A

A data privacy violation

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38
Q

Computer communications describes a process in which two or more computers or devices
transfer data, instructions, and information

A

Communications

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39
Q

allows users to send and receive short text messages on a phone or other mobile device or computer

A

Text messaging

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40
Q

Sms meaning?

A

Short message service

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41
Q

allows users to send pictures and sound files

A

picture messaging

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42
Q

allows users to send short video clips Wireless instant messaging allows wireless users to exchange real-time messages with one or more other users

A

Video messaging

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43
Q

allow people to connect wirelessly to the Internet from home, work, school, and in many public locations

A

Wireless Internet access points

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44
Q

is a coffeehouse, restaurant, or other location that provides personal computers with Internet access to its customer

A

cybercafé

45
Q

is a navigation system that consists of one or more earth-based receivers that accept and analyze signals sent by satellites in order to determine the GPS receiver’s geographic location

A

global positioning system

46
Q

Gps meaning?

A

Global positioning system

47
Q

Helps groups of people work together on projects and share information over a network

A

Groupware

48
Q

Component of workgroup computing

A

Groupware

49
Q

Allows someone to leave a voice message for one or more people

A

Voice mail

50
Q

includes tools that enable users to share documents via online meetings and communicate with other connected users

A

Collaboration software

51
Q

tools of collaboration software? (3)

A

> Online meetings
Web conferences
Document Management systems

52
Q

enable programmers to create applications that communicate with other remote computers over the Internet or on an internal business network

A

Web services

53
Q

a Web application that combines services from two or more sources

A

mashup

54
Q

is a collection of computers and devices connected together via
communications devices and transmission media

A

network

55
Q

is a network that connects computers and devices in a limited geographical area

A

local area network

56
Q

LAN meanign?

A

Local area network

57
Q

is a LAN that uses no physical wires

A

wireless LAN

58
Q

WLAN meaning

A

Wireless LAN

59
Q

MAN meaning?

A

Metropolitan area network

60
Q

connects LANs in a metropolitan area

A

metropolitan area network

61
Q

is a network that covers a large geographical area

A

A wide area network

62
Q

WAN meaning?

A

Wide area network

63
Q

The design of computers, devices, and media on a network

A

Network architecture

64
Q

describes an Internet network on which users access each other’s hard disks and exchange files directly over the Internet

A

P2P

65
Q

types of network architecture:

A

Client/server network
Peer to peer network

66
Q

refers to the layout of the computers and devices in a communications network

A

network topology

67
Q

types of network topology

A

Star network
bus network
ring network

68
Q

is an internal network that uses Internet technologies

A

intranet

69
Q

allows customers or suppliers to access part of its intranet

A

extranet

70
Q

is a network standard that specifies no computer controls when data can be transmitted

A

Ethernet

71
Q

standard specifies that computers and devices on the network share or pass a special signal (token)

A

The token ring

72
Q

is a network standard that defines how messages are routed from one end of a network to another

A

TCP/IP

73
Q

TCP/IP meaning?

A

Transmission control protocol/internet protocol

74
Q

https meaning?

A

Hypertext transfer protocol secure

75
Q

identifies any network based on the 802.11 standard that facilitates wireless communication

A

Wi-Fi

76
Q

defines how two Bluetooth devices use short-range radio
waves to transmit data

A

Bluetooth

77
Q

specifies how two UWB devices use short-range
radio waves to communicate at high speeds

A

UWB

78
Q

UWB meaning?

A

(ultra-wideband)

79
Q

transmits data wirelessly via infrared (IR) light waves

A

IrDA

80
Q

IrDA?

A

infrared data association

81
Q

uses radio signals to communicate with a tag placed in or attached
to an object, animal, or person

A

RFID

82
Q

RFID?

A

Radio Frequency Identification

83
Q

Developed by IEEE
* Towers can cover a 30-mile radius
* Two types are fixed wireless and mobile wireless
* Provides wireless broadband Internet access

A

WiMAX (802.16)

84
Q

WiMax?

A

Worldwide Interoperability for Microwave Access

85
Q

Specifies how some mobile devices can display the content of Internet services

A

Wireless Application Protocol

86
Q

(WAP)?

A

Wireless Application Protocol

87
Q

consists of programs that:
>Help users establish a connection to another computer or network
>Manage the transmission of data, instructions, and information
>Provide an interface for users to communicate with one another

A

Communications software

88
Q

is the worldwide telephone system

A

PSTN

89
Q

PSTN

A

public switched telephone network

90
Q

connections transmit data downstream at a much faster rate than upstream

A

ADSL

91
Q

ADSL?

A

Asymmetric Digital Subscriber Line

92
Q

is any type of hardware capable of transmitting data, instructions, and information between a sending device and a receiving device

A

communications device

93
Q

converts signals between analog and digital

A

dial-up modem

94
Q

sends and receives data and information to and from a digital line

A

digital modem

95
Q

uses the cell phone network to connect to the Internet wirelessly from a notebook computer, a smart phone, or other mobile device

A

wireless modem

96
Q

enables a computer or device to access a network

A

network card

97
Q

is a central communications device that allows computers and devices to transfer data wirelessly among themselves or to a wired network

A

wireless access point

98
Q

connects multiple computers or other routers together and transmits data to its correct destination on a network

A

router

99
Q

connects several devices in a network together

A

hub or switch

100
Q

Types of wired home networks:

A

Ethernet
Powerline cable
Phoneline

101
Q

The amount of data that can travel over a communications channel sometimes

A

Bandwidth

102
Q

is the time it takes a signal to travel from one location to another on a network

A

Latency

103
Q

carries one or more signals

A

Transmission media

104
Q

transmit multiple signals simultaneously

A

Broadband media

105
Q

is a form of broadcast radio that is used widely for mobile communications

A

Cellular radio

106
Q

are radio waves that provide a high-speed signal transmission

A

Microwaves

107
Q

is a space station that receives microwave signals from an earth-based station, amplifies it, and broadcasts the signal over a wide area

A

communications satellite

108
Q

Wi-fi

A

Wireless fidelity

Ulit lng (6 decks)

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