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ICT Digital Devices Exam > Digital Devices 1 > Flashcards

Digital Devices 1 Flashcards

1
Q

Name the Video File types

A

MKV, MOV, MP4, AVI

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2
Q

Name the Image File types

A

BMP, JPG, GIF, PNG

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3
Q

Name the Application Software Types

A

PDF, DOC, XLS, MDB

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4
Q

Online methods of Communication

A

Social Media, Blogs, Forum, Podcast, Wiki, Chatroom

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5
Q

What are the Threats to Data?

A

Malware, Phishing, Hacking, Accidental Damage

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6
Q

What services can you use?

A

Education and Training, Retail, Financial Services, News and Information, Productivity, Entertainment, Booking Systems

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7
Q

What are the Moral and Ethical Beliefs?

A

Environment, Online Behavior, Globalization, Unequal Access, Acceptable Use, Free Speech, Health and Safety, Computer Misuse, Copyright, Accessibility, Protection of Data and Privacy .

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8
Q

What are Multi-functional devices?

A

Multi functional device are where devices like touchscreen have multiple purposes i.e. where you can move things around on your screen, tap on buttons etc.

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9
Q

What are Personal Computers?

A

Personal Computers are computers that would be found in your home. Most computers were release in the early 1980’s most families began to get personal computers, mid 1980’s onward.

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10
Q

What are Servers?

A

Servers are computers that store masses of data. Servers are always an essentials for things like Networks.

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11
Q

What are Entertainment Systems?

A

Entertainment Systems are things that we use all the time such as PlayStation, Xbox, MP3 player, DVD Player. There are lots of devices that we use for many things as a lot of them like a PS4 can play games, music and also Blu-Ray discs as well.

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12
Q

What are Digital Cameras?

A

Digital Cameras are devices that can use a image sensory and can store the data on a hard drive or a SD card.

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13
Q

What are Communication Systems?

A

Communication systems are things like the telephone, mobile, telegraph etc.

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14
Q

What are Data Capture and Collection Systems?

A

Data capture and collection systems are the things that collect data, such as a barcode scanner. This scans the code then the data and it then takes the number away form the stock in the shop.

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15
Q

What are Navigational Systems?

A

Navigation systems like GPS, use satellites to transfer data on whereabouts, maps, Sat Navs etc.

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16
Q

What are Mobile Devices?

A

Mobile devices are things like smart phones, tablets. They have a design to them so that you can do most things on them that you can do on computer or a laptop.

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17
Q

What are Input devices?

A

Input devices are things that input into a device such as a mouse inputting into a computer, it provides navigation.

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18
Q

What are Output device?

A

Output devices are things that show outward, e.g. a monitor showing a screen, a speaker playing a song.

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19
Q

Give examples of Input Devices

A

Keyboard, Mouse, Scanner, Graphics, Tablet,

Microphone, Webcam, Sensor

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20
Q

Give examples of Output Devices

A

Monitor, Projector, Printer, Plotter, Speakers, Headphones

21
Q

What are Accessibility Devices?

A

Accessibility devices are devices that are able to create accessibility for people with disabilities.

22
Q

Give examples of Accessibility Devices

A

Trackball, Touch Screen, Eye motion sensors/head movement tacker, Braille embosser

23
Q

What are the implications of Online services?

A

Privacy, Cost, Security, User Experience, Meeting Needs

24
Q

What are the factors of Online systems?

A

Security, Costs, Ease of Use, Features, Connectivity

25
Q

Why is Data transmission important?

A

Data transmission is important, it solves sending digital messages between devices in a network.

26
Q

What is User authentication?

A

usernames and passwords allow users to go on to the network, rather than someone such as a hacker who has unauthorized access.

27
Q

What is Encryption?

A

Information can be intercepted while being transmitted. Using encryption ensures that the data cannot be read.

28
Q

What is a firewall?

A

These monitor traffic to prevent unauthorized access and dangerous data packages from causing harm.

29
Q

What is Bandwidth and latency?

A

Bandwidth is the rate of data transfer over a network-usually measured in bits per second. Latency is the delay, usually measure in milliseconds.

30
Q

What is Bandwidth and latency implications?

A

Bandwidth is a important factor as it affects the download times. Online Gaming needs low latency. Video calls need a high bandwidth and low latency as they’re transferring a lot of data.

31
Q

What is Compression?

A

This is where you compress a file to get a smaller size so it is easier to move around. There are 2 types of compression, lossy is data removed during compression and is permanently deleted. Lossless is where all the original data can be recovered after compression the file.

32
Q

What are the different types of networks?

A

LAN, WAN, VPN, Bluetooth.

33
Q

File Compressing Factors

A

back up very large files, sharing them online can be difficult. This helps compress files and reduce their size, making it easier.

34
Q

Backup

A

Backup utilities help you back up your files without having to do it yourself.

35
Q

Disk Defragment

A

A computers disk can become fragmented, this slows down file access. A disk defragment reorganizes the files making it quicker.

36
Q

What is TCP/IP?

A

Means Transmission Control Protocol and Internet Protocol. They are used together as the basic communication language across the internet.

37
Q

What is RTP?

A

Real-time Transport Protocol which is designed to transfer video and audio over IP based networks.

38
Q

What is SIP?

A

Session Initiation Protocol is used to create, control and end VOIP connections.

39
Q

What is H.323?

A

This was the first successful VOIP protocol. It defines the rules for communication audio and video over packed switched networks.

40
Q

What is SMTP?

A

Simple Mail Transfer Protocols, used to transfers emails across servers.

41
Q

What is POP3?

A

Post Office Protocol 3, used to retrieve emails from a server.

42
Q

What is IMAP?

A

Internet Message Access Protocol, used to retrieve emails from a server.

43
Q

What is SSL and TLS?

A

SSL is Secure Sockets Layer and TLS is Transport Layer Security. Both are used to ensure that transactions are kept safe over networks. SSL is being phased out slowly and is being replaced by TLS.

44
Q

What is HTTP?

A

HyperText Transfer Protocol which is used to allow web servers and browsers to transfer files over the internet.

45
Q

What is HTTPS?

A

This is a more secure version of HTTP.

46
Q

What is FTP?

A

The File Transfer Protocol is used to transfer files over a network.

47
Q

What is phishing?

A

phishing is where a person would pretend to be someone like the bank and would ask for your detail etc.

48
Q

What is Hacking?

A

Hacking is where people who exploit a weakness in a IT System in order to get unauthorized access.

ICT Digital Devices Exam (3 decks)

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