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Slides

worldwide web

samuel hudacek English 57 slides

worldwide web

Slides in this set (57)

  1. Online community

    • Short for ‘internet
    • etiquette’ or ‘network etiquette’. Itis a set of conventions covering the
    • use of networks used to interact
    • with other people. The conventions
    • are designed to prevent people
    • causing annoyance or offence to
    • others.
    • Online community

  2. network of friends

    • An online community of people with a common interest who use a website or other technologies to communicate with each other and share information, resources, etc.:
    • a business-oriented social network.
    • network of friends

  3. Virtual world

    • A virtual world is a computer-based online community environment that is designed and shared by individuals so that they can interact in a custom-built, simulated world. Users interact with each other in this simulated world using text-based, two-dimensional or three-dimensional graphical models called avatars.
    • https://www.youtube.com/watch?v=dO4k2Rvs94I (Embed)

  4. Netiquette

    • Netiquette, or net etiquette, refers to etiquette on the Internet. Good netiquette involves respecting others' privacy and not doing anything online that will annoy or frustrate other people. Three areas where good netiquette is highly stressed are e-mail, online chat, and newsgroups. For example, people that spam other users with unwanted e-mails or flood them with messages have very bad netiquette. You don't want to be one of those people. If you're new to a newsgroup or online chat room, it may help to observe how people communicate with each other before jumping in.
    • https://www.youtube.com/watch?v=uQhr2ib2GGU (Embed)

  5. chat

    • chat
    • Talk in a friendly and informal way.

  6. chatroom

  7. blogs

    • A regularly updated website or web page, typically one run by an individual or small group, that is written in an informal or conversational style.
    • blogs

  8. microblog

  9. wiki

    • A website or database developed collaboratively by a community of users, allowing any user to add and edit content.
    • wiki

  10. hyperlink

  11. web server

  12. Wizard

  13. HTML

  14. HTML elements

  15. URL

  16. search engine

  17. store and forward

    • The sender and recipient(s) of an email message do not have to be online at the same
    • time. When one person sends a message, it is stored on an email server. It waits in store
    • until the recipient signs in, at which point the server forwards the message to them. The
    • system is known as a store and forward system . This is of great benefi t when sending
    • messages and documents to people in different time zones around the world.
    • https://www.youtube.com/watch?v=FYc_SoW2M40 (Embed)

  18. address book

  19. attachments

  20. multiple recipients-CC and BCC

    • You can copy people in to the
    • email using the cc (carbon copy) fi eld. Recipients who are entered in this fi eld will be
    • visible to everyone the email is sent to. If you want to include a recipient on an email
    • – but you don’t want other people to see that the email has been sent to them – then
    • you add them into the Bcc (blind carbon copy) field.
    • https://www.youtube.com/watch?v=G0mfG0CGOVo (Embed)

  21. SMTP

  22. pop3

    • Post OfficeProtocol 3
    • Used to retrieve emails from an email server over a TCP/IP connection. This is themost widely used email retrieval protocol. Normally users download emails to theirlocal computer using POP3, deleting them from the email server
    • https://www.youtube.com/watch?v=88OjE8hZ2V4 (Embed)

  23. IMAP

  24. codes

  25. devices/compoments

  26. peripheral

  27. internet packet

  28. byte

  29. USB

    • universal serial bus (uSB) is a serial transmission method which was introduced to
    • make many of the connections to a computer look the same. Nowadays USB is used in
    • a wide variety of devices, such as mobile telephones, memory sticks and MP3 players.
    • USB ports also supply power to some devices.
    • The maximum theoretical transmission rate for USB 2.0 is 480 Mbps, but this is shared
    • among all devices on a USB hub, so the rate for each device will be less than this.
    • https://www.youtube.com/watch?v=VhYA0n8DTuM (Embed)

  30. Client side processing

    • client-side processing is the use of a scripting language to create code on web pages
    • which provides interactivity. The important point is that the interaction takes place
    • within the web page and the code is downloaded to the user’s computer when the
    • web page is opened by the user’s browser.
    • A good example of a client-side interaction is a roll over (often called a mouseover),
    • where some code is triggered when you move the mouse over a particular part of
    • the web page. This might be something simple like the display of an advertisement,
    • or it could be a demand for some data entry (e.g. fi lling in your details on a social
    • networking website).
    • https://www.youtube.com/watch?v=DcBB2Fp8WNI (Embed)

  31. server side processing

    • Server-side processing involves the use of scripts which reside and are run on another
    • computer on the internet (the web server). Information is submitted to a server which
    • processes it to provide results in the form of a web page.
    • A good example of server-side processing is the submission of a search through a
    • search engine. The search engine matches the word or phrase against an index of
    • website content on the web server using scripts
    • https://www.youtube.com/watch?v=DcBB2Fp8WNI (Embed)

  32. Bi-directional transmission

    • Bi-directional transmission has several meanings within data communication, but it
    • is essentially about transmitting in both directions. Most recently the term has been
    • applied to fi bre optics. Using the current technology, light passes in one direction
    • only, so you have to add extra fi bres to the bundle to carry a signal in the opposite
    • direction.
    • https://www.youtube.com/watch?v=gotBEz1N08Y (Embed)

  33. Packet switching

    • Packet switching is a digital networking communications method that groups all transmitted data into suitably sized blocks, called packets, which are transmitted via a medium that may be shared by multiple simultaneous communication sessions.
    • https://www.youtube.com/watch?v=NEM-Q-1H9Mc (Embed)

  34. simplex

  35. Half-duplex transmission

    • Half-duplex transmission: allows two-way transmissions but the devices don’t transmit
    • at the same time. A system being used to monitor and control manufacturing processes
    • can use half-duplex transmissions. It will send a message to the control computer,
    • which will respond with new settings, but they both cannot send messages at the
    • same time. Some network systems use half-duplex to maximise bandwidth.
    • https://www.youtube.com/watch?v=Ii3d_QB5nYw (Embed)

  36. Full duplex transmission

  37. Database

  38. table

  39. record

  40. field

  41. primary key

  42. foreign key

  43. SQL

    • Structured Query Language (SQL) is a high-level language which is used to undertake
    • this management activity. It is normally in two parts:
    • 1 data definition Language (ddL):
    • 2 data Manipulation Language (dML):
    • https://www.youtube.com/watch?v=vBOMFtskdo4 (Embed)

  44. DDL

  45. DML

  46. DBMS

  47. Physical barriers

    • These include turning off computers and locking offices when the
    • systems are unattended to prevent damage by people, the environment (e.g. fi re,
    • fl ooding, electrical interference) or theft

  48. Password control of access.

    • Passwords are sequences of characters, known only
    • to the computer user, which allow access to a computer, network or application.
    • Passwords should always be strong so that it is hard for someone else to guess them
    • or work them out.
    • https://www.youtube.com/watch?v=KAugi5iTctM (Embed)

  49. access level

  50. Anti-virus software

    • This is set up to intercept computer viruses before they can
    • become resident on the computer. The software can isolate the virus, remove it and
    • sometimes repair any damage. Equivalent security programs exist for other types of
    • malware.
    • https://www.youtube.com/watch?v=Jlp9G6WtHcY (Embed)

  51. firewall

    • This is a piece of software that monitors all data arriving at your computer
    • from the internet and all data leaving your computer. It stops anything that it thinks
    • is harmful or unwanted (such as viruses, spam, Trojan horses and hackers).
    • https://www.youtube.com/watch?v=DP7G2Wiah4M (Embed)

  52. encryption

    • encryption. This is used to codify data so that it cannot be read by anyone who does
    • not have the key to the code. An algorithm, sometimes known as a cipher, is applied
    • to the data at the transmission end and the reverse is applied at the reception end.
    • https://www.youtube.com/watch?v=3NsLkd7W8S8 (Embed)

  53. backup

    • https://www.youtube.com/watch?v=mIRujtUh-2Q (Embed)
    • Backup and recovery. Making a backup of data is the only way of recovering from a
    • total data disaster. Many individuals and organisations back up data to Flash ® solid
    • state storage devices or magnetic tape at night. The tapes are stored safely in a
    • separate place, so that they are not destroyed by any disaster which could destroy
    • the master system (fi re, earthquake, etc.). Many types of backup exist, including:
    • Full system backup of all data held for a specifi c purpose.
    • Incremental backups of fi les or data that has been changed since the last full
    • backup. This is faster than running a full back up every time.
    • Backups to removable media, such as a removable hard drive (if you have a large
    • amount of data), USB sticks, CDs and DVDs.
    • It is also possible to back up data across a network (or across the internet) to a server in
    • a completely separate location (for example, backing up data to the cloud).

  54. data protection-8 principles

    • Personal data shall be processed fairly and lawfully and, in particular, shall not be processed unless –
    • (a) at least one of the conditions in Schedule 2 is met, and
    • (b) in the case of sensitive personal data, at least one of the conditions in Schedule 3 is also met.
    • Personal data shall be obtained only for one or more specified and lawful purposes, and shall not be further processed in any manner incompatible with that purpose or those purposes.
    • Personal data shall be adequate, relevant and not excessive in relation to the purpose or purposes for which they are processed.
    • Personal data shall be accurate and, where necessary, kept up to date.
    • Personal data processed for any purpose or purposes shall not be kept for longer than is necessary for that purpose or those purposes.
    • Personal data shall be processed in accordance with the rights of data subjects under this Act.
    • Appropriate technical and organisational measures shall be taken against unauthorised or unlawful processing of personal data and against accidental loss or destruction of, or damage to, personal data.
    • Personal data shall not be transferred to a country or territory outside the European Economic Area unless that country or territory ensures an adequate level of protection for the rights and freedoms of data subjects in relation to the processing of personal data.

  55. computer misuse act - what does it cover

    • The Computer Misuse Act is designed to protect computer users against wilful attacks and theft of information. Offences under the actinclude hacking, unauthorised access to computer systems and purposefully spreading malicious and damaging software (malware), such as viruses.

  56. copyright, design and patents act

    • Copyright, Designs and Patents Act 1988. The Copyright, Designs and Patents Act 1988, is the current UK copyright law. It gives the creators of literary, dramatic, musical and artistic works the right to control the ways in which their material may be used.

  57. freedom of information act

    • The Freedom of Information Act 2000 is an Act of Parliament of the Parliament of the United Kingdom that creates a public "right of access" to information held by public authorities. It is the implementation of freedom of information legislation in the United Kingdom on a national level.

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Slide Set on worldwide web, created by samuel hudacek on 12/10/2015.
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