Buying a iphone5
Tuesday, 13 November 2012
Email-Protocols
Email -Protocols
What is IMAP4?
IMAP4:
Abbreviation for Internet Message Access Protocol, which is a standard protocol for accessing e-mail on a remote server. It allows users to check headers of the emails; create, delete and rename mailboxes; check for new messages; permanently remove messages; search for certain parts or an entire note remotely without having to download the mail on their local hard drive. IMAP requires more Internet time as it needs continual access to the server, while handling the mail. It was developed in 1986. Its latest version is IMAP4.
What is POP3?
POP3:
POP3, which is an abbreviation for Post Office Protocol 3, is the third version of a widespread method of receiving email. Much like the physical version of a post office clerk, POP3 receives and holds email for an individual until they pick it up. And, much as the post office does not make copies of the mail it receives, in previous versions of POP3, when an individual downloaded email from the server into their email program, there were no more copies of the email on the server; POP automatically deleted them.
POP3 makes it easy for anyone to check their email from any computer in the world, provided they have configured their email program properly to work with the protocol.
What is IMAP4?
IMAP4:
Abbreviation for Internet Message Access Protocol, which is a standard protocol for accessing e-mail on a remote server. It allows users to check headers of the emails; create, delete and rename mailboxes; check for new messages; permanently remove messages; search for certain parts or an entire note remotely without having to download the mail on their local hard drive. IMAP requires more Internet time as it needs continual access to the server, while handling the mail. It was developed in 1986. Its latest version is IMAP4.
What is POP3?
POP3:
POP3, which is an abbreviation for Post Office Protocol 3, is the third version of a widespread method of receiving email. Much like the physical version of a post office clerk, POP3 receives and holds email for an individual until they pick it up. And, much as the post office does not make copies of the mail it receives, in previous versions of POP3, when an individual downloaded email from the server into their email program, there were no more copies of the email on the server; POP automatically deleted them.
POP3 makes it easy for anyone to check their email from any computer in the world, provided they have configured their email program properly to work with the protocol.
What's in an image?
What's in an image?
Monochrome Bitmap (*.bmp;*.dib):
A monochrome bitmap is a type of digital image that displays only a single color, usually black. This is a type of one particular file format, which is referred to as a bitmap (BMP), and is often used in the creation of simple graphics. In a bitmap, each pixel or “picture element” of an image is represented by a particular number of bits, which are units of information. A monochrome bitmap has pixels that are only one bit, allowing each pixel to either display a single color or no color, often seen as black and white.
16 Color Bitmap(*.bmp;*.dib):
16 Color bitmap file is the same as a Monochrome bitmap fil
except it uses a range of 16 Colors instead of black and white.
256 Color Bitmap(*.bmp;*.dib):
It's a rectangular grid of pixels and each pixle is represented by a singla bit.Eight pixles are in each bitb of the bitmap.The format is often used for bitmopped text or single_colored images.This particular file uses 256 different colors.
Monochrome Bitmap (*.bmp;*.dib):
A monochrome bitmap is a type of digital image that displays only a single color, usually black. This is a type of one particular file format, which is referred to as a bitmap (BMP), and is often used in the creation of simple graphics. In a bitmap, each pixel or “picture element” of an image is represented by a particular number of bits, which are units of information. A monochrome bitmap has pixels that are only one bit, allowing each pixel to either display a single color or no color, often seen as black and white.
16 Color Bitmap(*.bmp;*.dib):
16 Color bitmap file is the same as a Monochrome bitmap fil
except it uses a range of 16 Colors instead of black and white.
256 Color Bitmap(*.bmp;*.dib):
It's a rectangular grid of pixels and each pixle is represented by a singla bit.Eight pixles are in each bitb of the bitmap.The format is often used for bitmopped text or single_colored images.This particular file uses 256 different colors.
Tuesday, 6 November 2012
4G Networks
4G NETWORKS
What is 4G ?
What is 4G ?
A 4G network is the fourth generation of wireless, mobile communication. The overall goal for the network is to provide a comprehensive and secure network communication solution with much faster data speeds than previous generations. While still in development, the foundations for upgrading from 3G to 4G service started in the early 21st Century as companies began to introduce new technology. New standards such as WiMax and Long Term Evolution (LTE) have been referred to as 4G, though there is some debate regarding their status.
What effect 4G will have on what we can do with our mobile phones?- In telecommunications, 4G is the fourth generation of cell phone mobile communications standards. It is a successor of the third generation (3G) standards. A 4G system provides mobile ultra-broadband Internet access, for example to laptops with USB wireless modems, to smartphones, and to other mobile devices. Conceivable applications include amended mobile web access, IP telephony, gaming services, high-definition mobile TV, video conferencing and 3D television. Recently, Android and Windows-enabled cellular devices have fallen in the 4G category. One base advantage of 4G is that it can at any point of travelling time provide an internet data transfer rate higher than any existing cellular services (excluding broadband and Wi-Fi connections).
- When 4G networks become standard, users should notice a difference. 4G technology has some persuasive benefits, which are helping accelerate the industry's push in its direction. Peak times might still be a little pokey (by the standards of people spoiled by superfast Internet service), but overall, it should be a step up from the service most cell phone users are familiar with today.
Thursday, 25 October 2012
Buying a Computer System
ASUS ET2300IUTI-B005K 23"...
News Reporter:Laptop
HP Pavilion g6-2230sa 15.6"...
Website designer:Ipad
Apple iPad 2 Wi-Fi 64GB - White.
. £479.00
Teacher: Desktop
- Intel® Core™ i3-3220 processor
- Genuine Windows® 8
- Memory: 4 GB
- Hard drive: 1TB
- With built-in WiFi
- £949.99
News Reporter:LaptopQuad-core AMD A8-4500M processor Genuine Windows® 8Memory: 8 GBHard drive: 750 GB Graphics: AMD Radeon HD 7640G £449.99
Website designer:IpadApple iPad 2 Wi-Fi 64GB - White.
. £479.00
Doctor (in a GP surgery): Desktop
- AMD E1-1200 processor
- Genuine Windows® 8
- Memory: 4 GB
- Hard drive: 1TB
- £529.99
Traffic warden:PDA
32 MB - Flash ROM, Touch-screen, 5-way navigation button, STN ( transmissive ), 96 g
. £143
Bluetooth:
Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security.
Memory card:
A memory card or flash card is an electronic flash memory data storage device used for storing digital information. They are commonly used in many electronic devices, including digital cameras, mobile phones, laptop computers, MP3 players and video game consoles. They are small, re-recordable, and able to retain data without power.
USB port:
Universal Serial Bus is a power supply between computer and electronic devices such as keyboard,digital cameras and printer.
Alarm:
An alarm device gives an audible ,visual or other form of alarm signal about a problem or condition.
Voice recorder:
A digital,handheld device that is used to record short reminders.Very lightweight and typically using AAA batteries, such devices use flash memory to hold up to 100 messages and more.
MMS:
Multimedia messaging service or MMs is a standard way to send messages that incluide multimedia content to and from mobile phones.
WiFi:
WiFi is a popular technology that allows an electronic device to exchange wirelessly including high_speed internet connection.
Hands-free device:
A hands free device is an apparatus used with cell phones that permits the user to talk on the phone without holding it. Through the assistance of this device, the user can let the phone sit in one area while talking into a microphone attached to his or her lapel. Alternatively, it may incorporate a headband that places the microphone in front of the user's mouth. In order to listen to the person on the other end, the user has an earbud speaker placed in one ear.
3G:
3G refers to the third generation of mobile telephony technology. The third generation, as the name suggests, follows two earlier generations.
Third generation wireless service, designed to provide high data speeds, always-on data access, and greater voice capacity. The high data speeds, measured in Mbps, enable full motion video, high-speed internet access and video-conferencing.
TouchScreen:
A touchscreen is a display that also serves as an input device.Some touchscreens require a proprietary pen for input though most modern touchscreens detect human touch. Since touchscreen devices accept input directly through the screen, they do not require external input devices, such as mice and keyboards. This makes touchscreens ideal for computer kiosks, as well as portable devices, such as smartphones.
GPS:
GPS stands for Global Positioning System and is a satellite-based radio navigation system that allows land, sea, and airborne users to determine their exact location, velocity, and time 24 hours a day, in all weather conditions, anywhere in the world. The capabilities of today’s system render other well-known navigation and positioning “technologies”—namely the magnetic compass, the sextant, the chronometer, and radio-based devices—impractical and obsolete. GPS is used to support a broad range of military, commercial, and consumer applications.
Video calling:
A visual communication between two people such as skype,yahoo etc.
Email:
Elextronic also known as email or e-mail , is a method of exchanging digital messages from an author to one or more recipients.
Internet:
The Internet is a global network connecting millions of computers. More than 100 countries are linked into exchanges of data, news and opinions.
SMS:
In wireless telecommunications, roaming is a general term referring to the extension of connectivity service in a location that is different from the home location where the service was registered. Roaming ensures that the wireless device is kept connected to the network, without losing the connection.
Camcorder:
A camcorder (formally a video camera recorder) is an electronic device that combines a video camera and a video recorder into one unit; typically for out-of-studio consumer video recording. Equipment manufacturers do not seem to have strict guidelines for the term usage; for instance marketing materials may present the device by its colloquial term camcorder, while full name on the package and manual is often video camera recorder
MP3 player:
A digital music player that supports the MP3 audio format, which started a revolution in online music downloads and distribution (see MP3). All portable music players, the iPod being the leading brand, support MP3 along with one or more other audio formats. CD players, whether shelf units or portable, may also play back MP3 files. For more details, see digital music player and iPod. See MP3, audioblog, podcast, codec examples and peer-to-peer network.
Predictive Text:
Predictive text is an input technology used where one key or button represents many letters, such as on mobile phones and in accessibility technologies. Each key press results in a prediction rather than repeatedly sequencing through the same group of "letters" it represents, in the same, invariable order. Predictive text could allow for an entire word to be input by single keypress. Predictive text makes efficient use of fewer device keys to input writing into a text message, an e-mail, an address book, a calendar, and the like.
voice recorder:
A digital, handheld device that is used to record short reminders. Very lightweight and typically using AAA batteries, such devices use flash memory to hold up to 100 messages and more. Messages can be retrieved sequentially or by direct access by message number. See microcassette.
Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security.
Memory card:
A memory card or flash card is an electronic flash memory data storage device used for storing digital information. They are commonly used in many electronic devices, including digital cameras, mobile phones, laptop computers, MP3 players and video game consoles. They are small, re-recordable, and able to retain data without power.
USB port:
Universal Serial Bus is a power supply between computer and electronic devices such as keyboard,digital cameras and printer.
Alarm:
An alarm device gives an audible ,visual or other form of alarm signal about a problem or condition.
Voice recorder:
A digital,handheld device that is used to record short reminders.Very lightweight and typically using AAA batteries, such devices use flash memory to hold up to 100 messages and more.
MMS:
Multimedia messaging service or MMs is a standard way to send messages that incluide multimedia content to and from mobile phones.
WiFi:
WiFi is a popular technology that allows an electronic device to exchange wirelessly including high_speed internet connection.
Hands-free device:
A hands free device is an apparatus used with cell phones that permits the user to talk on the phone without holding it. Through the assistance of this device, the user can let the phone sit in one area while talking into a microphone attached to his or her lapel. Alternatively, it may incorporate a headband that places the microphone in front of the user's mouth. In order to listen to the person on the other end, the user has an earbud speaker placed in one ear.
3G:
3G refers to the third generation of mobile telephony technology. The third generation, as the name suggests, follows two earlier generations.
Third generation wireless service, designed to provide high data speeds, always-on data access, and greater voice capacity. The high data speeds, measured in Mbps, enable full motion video, high-speed internet access and video-conferencing.
TouchScreen:
A touchscreen is a display that also serves as an input device.Some touchscreens require a proprietary pen for input though most modern touchscreens detect human touch. Since touchscreen devices accept input directly through the screen, they do not require external input devices, such as mice and keyboards. This makes touchscreens ideal for computer kiosks, as well as portable devices, such as smartphones.
GPS:
GPS stands for Global Positioning System and is a satellite-based radio navigation system that allows land, sea, and airborne users to determine their exact location, velocity, and time 24 hours a day, in all weather conditions, anywhere in the world. The capabilities of today’s system render other well-known navigation and positioning “technologies”—namely the magnetic compass, the sextant, the chronometer, and radio-based devices—impractical and obsolete. GPS is used to support a broad range of military, commercial, and consumer applications.
Video calling:
A visual communication between two people such as skype,yahoo etc.
Email:
Elextronic also known as email or e-mail , is a method of exchanging digital messages from an author to one or more recipients.
Internet:
The Internet is a global network connecting millions of computers. More than 100 countries are linked into exchanges of data, news and opinions.
SMS:
Abbreviated as SMS, the transmission of short text messages to and from a mobile phone, fax machine and/or IP address. Messages must be no longer than 160 alpha-numeric characters and contain no images or graphics.
Radio:
Radio is the transmission of signals through free space by electromagnetic waves with frequencies significantly below visible light, in the radio frequency range, from about 3 kHz to 300 GHz.
Calculator:
An electronic calculator is a small, portable, often inexpensive electronic device used to perform both basic and complex operations of arithmetic.
Camera:
A camera is a device that records images that can be stored directly, transmitted to another location, or both. These images may be still photographs or moving images such as videos or movies.
Internet:
The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support email.
Personal organiser:
A personal organizer, day planner, personal analog assistant, personal planner or year planner is a small book or binder that is designed to be portable. It usually contains a diary, calendar, addressbook,blank paper and other sections.
A personal organizer may also include pages with useful information, such as maps and telephone codes. It is related to the separate desktop stationery items that have one or more of the same functions, such as appointment calendars, rolodexes, notebooks, and almanacs.
Games:
A game is structured playing, usually undertaken for enjoymen and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more often an expression of aesthetic or ideological elements. However, the distinction is not clear-cut, and many games are also considered to be work (such as professional players of spectator sports/games) or art (such as jigsaw puzzles or games involving an artistic layout such as Mahjong, solitaire, or some video games).
Roaming:
Radio:
Radio is the transmission of signals through free space by electromagnetic waves with frequencies significantly below visible light, in the radio frequency range, from about 3 kHz to 300 GHz.
Calculator:
An electronic calculator is a small, portable, often inexpensive electronic device used to perform both basic and complex operations of arithmetic.
Camera:
A camera is a device that records images that can be stored directly, transmitted to another location, or both. These images may be still photographs or moving images such as videos or movies.
Internet:
The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies. The Internet carries an extensive range of information resources and services, such as the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support email.
Personal organiser:
A personal organizer, day planner, personal analog assistant, personal planner or year planner is a small book or binder that is designed to be portable. It usually contains a diary, calendar, addressbook,blank paper and other sections.
A personal organizer may also include pages with useful information, such as maps and telephone codes. It is related to the separate desktop stationery items that have one or more of the same functions, such as appointment calendars, rolodexes, notebooks, and almanacs.
Games:
A game is structured playing, usually undertaken for enjoymen and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more often an expression of aesthetic or ideological elements. However, the distinction is not clear-cut, and many games are also considered to be work (such as professional players of spectator sports/games) or art (such as jigsaw puzzles or games involving an artistic layout such as Mahjong, solitaire, or some video games).
Roaming:
Camcorder:
A camcorder (formally a video camera recorder) is an electronic device that combines a video camera and a video recorder into one unit; typically for out-of-studio consumer video recording. Equipment manufacturers do not seem to have strict guidelines for the term usage; for instance marketing materials may present the device by its colloquial term camcorder, while full name on the package and manual is often video camera recorder
MP3 player:
A digital music player that supports the MP3 audio format, which started a revolution in online music downloads and distribution (see MP3). All portable music players, the iPod being the leading brand, support MP3 along with one or more other audio formats. CD players, whether shelf units or portable, may also play back MP3 files. For more details, see digital music player and iPod. See MP3, audioblog, podcast, codec examples and peer-to-peer network.
Predictive Text:
Predictive text is an input technology used where one key or button represents many letters, such as on mobile phones and in accessibility technologies. Each key press results in a prediction rather than repeatedly sequencing through the same group of "letters" it represents, in the same, invariable order. Predictive text could allow for an entire word to be input by single keypress. Predictive text makes efficient use of fewer device keys to input writing into a text message, an e-mail, an address book, a calendar, and the like.
voice recorder:
A digital, handheld device that is used to record short reminders. Very lightweight and typically using AAA batteries, such devices use flash memory to hold up to 100 messages and more. Messages can be retrieved sequentially or by direct access by message number. See microcassette.
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