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Flashcards in Theory Deck (147)
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1
Q

What to do to stop computer eye strain?

A

‘Gaze’ breaks looking at distant objects

Adjust screen for contrast/brightness

2
Q

Playing games excessively can lead to…?

A

Grades could slip
No Hobbies
Isolated

3
Q

Mentally, playing games could lead to?

A

Aggression
Decreased Empathy
Emotional Control (as show in 10hrs/week shooting game study)

4
Q

What does a set top box do?

A

Transforms digital telivision signals so they can be used by the TV
Allows pausing of tv, gives broadband connection

5
Q

What is a FireWire Cable?

A

Firewire is most often used to connect digital camcorders, external hard drives, and other devices that can benefit from the high transfer rates (up to 480 Mbps) supported by the Firewire connection.

6
Q

Dangers of a Sat Nav?

A

May cause blind spot

May cause distractions

7
Q

How can a sat nav benefit other than navigation

A

Can check drivers speed

Can check driving conditions

8
Q

How can a sat nav benefit disabled people? (2)

A

Shows disabled parking areas

Gives voice control

9
Q

Adv. Of Phone vs. Sat Nav?

A

Generally lighter/smaller

More likely to have on person

10
Q

why plug in ethernet cable?

A

Gives higher bandwidth bata transfer than wifi

11
Q

How to improve WiFi security? (3)

A

Stop router broadcasting Service Set Identity
Set up MAC filtering and specify which devices can connect
Set up encryption/WPA

12
Q

What is WPA

A

it encrypts messages sent over a wireless network so they cant be read if you dont have encryption key

13
Q

What is a processor and what is internal memory?

A

A processor controls all functions of the device

Internal Memory is where processor information is stored

14
Q

Three benefits of flash memory

A

Doesn’t lose data when turned off
No moving parts, not easily damaged
Transfer data between devices

15
Q

Two input devices that might be used with a games console?

A

Microphone

Webcam

16
Q

What is wifi?

A

A method of wireless communication using radio waves

communicates over longer distances than bluetooth

17
Q

What is convergence?

A

When devices become more multi-functional such that they can do the job of several other devices

18
Q

How to improve mobile phone security? (3)

A

Set a PIN/password
Record unique IMEI number - mobile phone provider can block phone using this
Lock SIM card

19
Q

Three ways of responsible mobile phone use?

A

Dont use it while driving
Don’t cyberbully
Dont overuse - RSI

20
Q

How would a GPS reciever be used in a camera? why is this useful?

A

Can store co-ordinates in the metadata of the picture, showing where it was taken
Can be attached to map or viewed for refrence

21
Q

Advantages of personal camcorders (2)

A

Cheap, better spec than most smartphones

22
Q

Three key features of media players?

A

Small, light
Solid state memory so playback isnt affected by movemt
Holds a large amount of media

23
Q

Two types of ways to store audio on media player, 3 ways images, 2 ways video

A

MP3 and WMA
JPEG, Gif and PNG
MPEG-4 and WMV

24
Q

Three security features of personal media player?

A

locks automatically
can set password
encrypts data

25
Q

what is DRM

A

prevents copies being made of audio and video files and transfer to other devices owned (sometimes). Protects copyright holder

26
Q

Two advantages and disadvantages of streaming video?

A

Saves time and uses less storage space

Cannot keep local copy for viewing offline and video quality dependent on connection quality

27
Q

two advantages of computer over games console and two disadvantages

A

Can run other work related programs as well, can use computer screen provided
Likely computer is more expensive for same spec and harder to set up

28
Q

four health risks of games consoles

A

Overuse injuries
Obesity
Muscle/joint problems
Eye strain

29
Q

Two advantages of digital telivison

A

More channels

High quality pictures/sound

30
Q

What are personal video recorders and what is DNLA

A

PVR contain a hard disk drive to record TV programs
If two devices are DNLA certified they are compatible - so you can access content from your camera on your PC for example

31
Q

How are dedicated sat navs improving to counteract spartphones (3)

A

Larger screens
3D displays
lane assist with images of junctions

32
Q

Disadvantages of smaprtphone over sat nav (3)

A

might be expensive app
subject to data charges
high battery strain

33
Q

The use of computers in a workplace has had an impact on? (3)

A

Number of employees needed
Skills employees need
training/re-training requirements

34
Q

One advantage and disadvantage of providing portable digital devices in a workplace

A

greater collaboration between workers

risk of hackers stealing data

35
Q

three ways businesses online presence has improved

A

website bog viral marketing

36
Q

what is profiling?

A

tracking information of customer transactions gathered using cookies

37
Q

Three ways tech is used in education

A

Interned for research
Specialist software
online registration/admin systems

38
Q

what is a router and how is it used with a modem?

A

The router connects all of the computers to the modem by provding them with an internal IP adress so it ‘knows’ where to send the data

39
Q

Three benifits of a home network and what do you need for it to work

A

sharing internet onnection
sharing files
sharing peripherals printers etc.
You need an NIC card to connect computers unless wifi dongles are used

40
Q

Three advantages and disadvantages of a cable internet connection

A

very fast, good security - hacker would need to physically connect computer to network, no interference

expenive, set up difficult as wires have to be run from router to rooms, mobility low as cant connect in room without socket

41
Q

three advantages and disadvantages of wireless internet

A

only need router so set up easy, cheaper, mobility good

interference from walls etc., slower bandwidth, poor security unless password used

42
Q

what is a powerline

A

a type of connection that uses existing power wiring as a framework to carry data

43
Q

What are bandwidth and latency

A

bandwidth is the number of bits that can go through the network connection in 1s
Latency is the time in miliseconds between a bit leaving a device and ariving at another. lower is better

44
Q

WiFi two advantages and disadvantages

A

good range, speeds up to 54mbs

hackers fake hotspots putting users details at risk, cannot use if not in range of access point

45
Q

Mobile broadband two advantages and disadvantages

A

far greater coverage than WiFi, more secure than wifi as data is encrypted

have to pay for it including roaming charges, lower bandwidth

46
Q

what is wifi direct

A

alllows devices to connect to wifi without need for wireless access point, allows users to set up peer-to-peer networks rather than communication via and transmitter

quicker and larger range than bluetooth

47
Q

2 benifits of bluetooth

A

can connect a large amount of devices simultainously (8)

low power so doesnt interfere with other devices

48
Q

What are protocols

A

rules devices must follow when they are communication with each other

49
Q

What is VoIP?

A

VoIP is the set of rules for transmitting audio messages over the Internet - allowing free voice calls thorugh software such as skype

50
Q

What is SMTP

A

A protocol used to send the email from the senders email client, to the senders email server

51
Q

What is POP/POP3

A

The protocol used for the recipient to read or download the email and delete from the recipients email server

52
Q

what is IMAP

A

the protocol used to hold the email on the server so that it is not deleted

53
Q

What is HTTP

A

the protocol controlling the world wide web - the client uses this to ask the web server to send files needed to show the web page

54
Q

whats the difference between HTTP and HTTPS? and how does HTTPS work?

A

the data is encrypted over HTTPS and it works by the browser checking the sites certificate, determining the encryption type and messages are sent between the broswer and web server using this encyption key

55
Q

What is a firewall and why is it not enough?

A

A firewall permits or blocks connections between other compuers on the network. Some malware disables this

56
Q

Three ways to prevent physical access to a computer

A

Using a lock function when not in use chains and locks to fix laptop to desk etc., RFID chips in labels attached to items to identify stolen and/or sound alarm

57
Q

What is the internet

A

a huge network of computers that all use the same protocol to communicate and send data to each other. To connect to it you need an internet service provider and NIC card

58
Q

6 things to consider when deciding on an ISP

A
Cost
Bandwidth
Download limits
Email/Web space provided as extras
Security
Reliablility and support
59
Q

Describe and advantage and disadvantage of communication over the internet in business (e.g VoIP)

A

aids collaboration, but possibility of overrealiance or misuse

60
Q

Describe for ways learning can be utilised over the internet

A

VLE, News websites, WIKI’s, Email + other communication

61
Q

Descibe an advantage/disdvantage of a VLE

A

students can access tasks etc. set by teachers, no access without internet connection

62
Q

Describe an advantage/disadvantage of a news website

A

can use RSS feed for latest stories, possible overrealiance on websites as oppose to use of a number of sources

63
Q

describe an advantage/disadvantage of WIKI’s

A

up to date information drawn from a collaberation of knowledge, information from others may be innacurate or biased

64
Q

Name two examples of a challenge-response test

A

Captcha test, security question

65
Q

what is overt data collection

A

when you know data is being collected about you

66
Q

what is covert data collection and what is a trojan

A

when you dont know information is being collected, trojans record your key strokes and take financial infomation

67
Q

What is a privacy policy

A

reputable firms have this in a prominent place on a website in line with the data protection act - tells you what information is gathered and how it is stored and used

68
Q

How to control cookies

A

set browsers to accept or reject cookies

set browser to prompt each time a cookie is offered

69
Q

How to prevent phishing

A

look out for emails with urgent tone, impersonal greeting, request for personal information

70
Q

How to prevent spyware

A

Use a firewall to prevent remote download, use antipsyware software

71
Q

Describe the data protection act (4)

A

companies holding data must keep it secure, not ask for more data than neccesary, not keep data longer than neccessary, keep data accurata, not use it without our consent

72
Q

Four data protection rights?

A

Right to look at data held, company can charger for this. Demand incorrect info amended, demand data not used in distressing way, demand data is not used for direct marketing

73
Q

What are the three levels of crime in the computer misuse act?

A

1) unauthorised access to computer material
2) unauthorised modification
3) Unauthorised access with intent to commit further crime

74
Q

How could a copyright holder allow others to use their work?

A

Creative commons lisencses - certain uses such as in education

75
Q

two reasons to bother with copyright

A

idea that they deserve to be paid for time it tool to make, if they cant make money they may not be able to afford to make more

76
Q

three consequenses of illegal file sharing

A

procecution, ISP may stop you from using internet, prison

77
Q

Three features of online shopping

A

24/7 availablility, facility to search and sort for goods, images provided of products, comparison to other products

78
Q

Three advantages of online shopping

A

greater choice as not limited to one geographical area, dont have to leave house, user reviews

79
Q

Three disadvantages of online shopping

A

need internet access/computer skills, can’t pay with cash, delivery charges, risk of fradulent websites

80
Q

Describe the ipact of online shopping on businesses (3)

A

can be located anywhere so dont need rent, smaller staff, , greater range as products dont need to be physically displayed

81
Q

describe the impact of online shopping on lifestyle (3)

A

Easier access for those with disabilities, reduced carbon footprint, more choice for people in remote areas

82
Q

Three advantages of online actions

A

ability to search for goods, rating other users for trust, third party payment options more secure, low prices with large competition

83
Q

two advantages of online news/RSS feeds

A

easy to search and sort up to date news information, news presented through extra engaging formats such as videos

84
Q

two drawbacks of online news/RSS feeds

A

content presented as news may be unreliable/biased, those without computer access may miss stories

85
Q

Describe how the actions of your character are streamed to others in online gaming

A

they are streamed from a central server to all players over the internet

86
Q

advantages of a retailer selling online (3)

A

dont have to distibute goods to shops, inexpensive initial investment, can be from any location

87
Q

3 disadvantages to a retailer of selling online

A

need a delivery service and facilities to handle returns, need skilled staff to run an efficent website, ensuring online payment securtiy is difficult

88
Q

three reasons transactional data is of benifit to a business

A

it allows organisation to keep a record of purchases, allows delivery to be tracked, contains info on consumer shopping habits

89
Q

what is transacational data

A

data taken when a consumer buys a product - stored in cookies - database can then be queried for marketing emails to be sent

90
Q

three pieces of transactional data that are collected

A

details of items purchased, purchase price, time of purchase

91
Q

three reasons to internet advertise

A

can be personalised, cheaper than tv adverts, reaches a wide range of customers

92
Q

two draawbacks of inernet adverts

A

they can be blocked or ignored due to a large number of them

93
Q

two reasons to viral marketing

A

cheap, spreads quickly

94
Q

drawback of viral marketin

A

risk of it not being as entertaining as anticipated and not spreading, or damaging brand name

95
Q

one advantage and two disadvantages of personlisation techniques

A

customers told about specific products they like. can invade privacy/be annoying, only told about limited product range

96
Q

two ways to opt out of targeted marketing

A

delete cookies, opt out of sharing personal details when creating accounts

97
Q

what are the four ways of paying online

A

credit/debit cars, online bank transer, online coupons/vouchers, third-party payment systems

98
Q

what’s a CVV number and why is it used in refrence

A

number on the back of a credit card not included chip - so card must have been physically seen

99
Q

what is an SSL

A

a secure sockets layer to encrypt data for transfer over the internet

100
Q

two ways banks keep consumers safe from fraud

A

login protection e.g PIN, monitoring accounts for unusual activity

101
Q

how to redeem evoucher?

A

create online account and enter unique reference code

102
Q

two advantages of using a third party payment system on a website

A

don’t need to offer secure system (which is expensive), buyers not exposed to fraud

103
Q

two advantages of NFC

A

good security w/ short transmission range, convinence of not having to enter payment details repeatedly

104
Q

two disadvantages of NFC

A

can only pay for small amounts, need to protect against accidental payments

105
Q

describe some consumer rights of buying online and how that compares to paying in a physical shop

A

item must be satisfactory quality, fit for purpose and as described. You get same rights online and in shop - as long as it is in a UK retailer

106
Q

what is a cooling off period

A

A right to cancel online purchases for any reason up to 7 days after recieving the items. This does not apply to used, perishable or personalisable goods

107
Q

two advantages of locally installed software

A

works offline, good security as you control access to the computed compared to if it was hosted online

108
Q

two disadvantages of localy installed software

A

takes up large file space, data must be backed up

109
Q

what is proprietary software

A

developed by a company, you have to pay to use it

110
Q

what is open source software

A

develloped gradually by volunteers, free to use

111
Q

what is SaaS and how have commercial software producers responded to it (3)

A

‘software as service’ applications that run in a web browser for free. Organisations have mode software more appealing with new features, provided better technical support and used copyright to stop products that are too similar entering the market

112
Q

three ways to refine searches

A

add more key words, used advanced search facilities, search by date/language

113
Q

two ways to check reliablilty of search results

A

compare with other websites, check the URLs for trusted organisation

114
Q

what is social networking

A

a way of connecting with others onine using personal details

115
Q

why would you have an account in an online community?

A

to develop online presence, posts can be linked to you, people can more easily discover your account

116
Q

three featues of a VLE

A

marking tools for teachers, email/chat communiation, interactive polls and questionaires

117
Q

one advantage of online workspace over email

A

easier version control of documents

118
Q

three ways an online workspace can be used collaberatively

A

VoIP, chat communication, work on document simultaneously

119
Q

two advantages of social networking over SMS

A

efficent way to contact a large number of people, not charged per message. SOCIAL NETWORKING IS NOT FREE, YOU HAVE TO PAY FOR INTERNET

120
Q

three disadvantages of social networking

A

loss of privacy, risk of online bullying, GPS tagging risk to users safety

121
Q

two advantages of a wiki

A

wikis can be quickly changed so the information is up to date, people can collaborate knowledge globally

122
Q

two disadvantages of a wiki

A

info could be biased or innaccurate, internet connection needed

123
Q

what is a social bookmarking site and two beineficial features

A

similar to wikis but link to individual web pages as oppose to being placed directly on the website, URLS of websites can be stored online so are not lost, and can be accessed by any internet connected device

124
Q

Two ways Ict is changing the way knowledge is created

A

People can communicate collaborate and share on a global scale. Spreadsheets and databases model situations to solve problems

125
Q

One advantage and two disadvantages of using Ict news development

A

Large amount of viewpoints give rounded picture, large amount can be overwhelming and what is published online can be unreliable

126
Q

Three advantages of ICT in work

A

Telecommute and work from home. Cloud computing. Decisions can be made more effectively from online workspace

127
Q

Three disadvantages of ICT in work

A

Pressure to work away from office. Workers without Internet may be left out of important decisions. Face to face contact avoided.

128
Q

Two advantages of collaborative working

A

More work done in less time. Share ideas

129
Q

Two disadvantages of collaborative working

A

Can’t read body language. Work can be lost if users overwrite others

130
Q

two advantages of teleworking

A

saves money as no transport needed, flexible which increases worker motivation

131
Q

two disadvantages of teleworking

A

social isolation, distractions at home, dependent on internet connection

132
Q

two ways ICT has had a positive impact on socialising

A

easy for people to keep in contact, easy translation between languages

133
Q

two ways ICT has had a negative impact on socialising

A

Less time with real friends, people can pretend to be someone else

134
Q

what is an acceptable use policy or code of conduct

A

a set of online rules - breaking the rules will result in account being withdrawn and you must agree to them before signing up for the website

135
Q

two reasons to have an acceptable use policy

A

to protect users from abuse, to protect users from inappropriate content

136
Q

How to countries prevent users from other countries accessing the content

A

using IP address filtering

137
Q

three reasons countries sensor or control access to online information

A

politics, security (from potential terrorism), protection (from harmful content)

138
Q

with the new threat of hacking, what is it important to do (without directly protecting yourself)

A

encrypt data, make sure latest updates installed, Backup data

139
Q

Describe the four pieces of legislation surrounding ICT and breif outline of what they say

A

Data protection act - protects against misuse of personal data held by organisations. Computer misuse act - protects against unlawful ‘hacking’ and access to files. Copyrights, designs and patents act - cant copy or disribute media without copyright holders permission. Digital economy act requires ISP’s to collec data regarding repeat offenders. Internet access can be slower or suspended

140
Q

Causes of unequal access to ICT WITHIN countries (3)

A

affordability, disability, people living in remote areas

141
Q

causes of unequal access to ICT worldwide (3)

A

Affordibility, Censorship in governments, limited access to electricity

142
Q

Two economic implications of the digital divide

A

good IT skills = better jobs, Lead to rise in e-commerce and globalisation

143
Q

Two education implications of the digital divide

A

students with access to online courses can develop knowledge, students need technology for VLE’s etc

144
Q

two social implications of the digital divide

A

people with internet access can keep in touch with others more effectively. Children with access to technology may play on games instead of going outside

145
Q

two cultural implications of the digital divide

A

cultures may resrict access to ICT, may be gender stereoypes within that - so less ICT access to women

146
Q

Three sustainability issues of ICT

A

E-waste (goes to landfill w/ toxic chemicals or less developed countries), Pollution (Toxic substances into water etc, all devices use electricity which contributes to global warming), Finite resources used to make ICT products

147
Q

Three ways to increase ICT sustainability

A

Recycle or reuse devices (donate to charity, companies sell devices to employees or sell parts), Reduce impact by switching off devices to use less polluting electricity, use renewable energy to power devices