sending an email message to many people in a way that hides the fact that it's being sent to others as well
BCC- Blind Carbon Copy
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sending a copy of an email to someone who isn't affected by the message, but needs to see it for information purposes
CC- Carbon Copy
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the rate at which data can be transferred
bandwith
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usually monthly subscription fee that allows the user to connect to the internet
ISP- Internet Service Provider
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to check the data entered into the computer matches the original source data, doesn't check if data is correct e.g entering a password twice if you change it
Verification
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a piece of software that replicates itself, can copy, destroy & corrupt data
Virus
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another name for a website
URL- Uniform Resource Locator
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a set of commands or instructions, a pre-programmed command
Macro
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consists of numbers, words, sounds and images which have no particular meaning e.g 110196
data
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data that has meaning e.g 11/01/96
information
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uniquely identifies a record e.g national insurance number
key field/ primary key
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store details about individual components that make up the image, might contain the command e.g draw a line from a to b
vector based graphics
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ensures that data is sensible in the context in which it is being used in e.g range check
validation
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covers a small area such as one site or building e.g a school or college
LAN- Local Area Network
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covers a larger geographical area, most are made up from several LAN's connected together e.g the internet, pleased lines or satellite links
WAN- Wide Area Network
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volatile, temporary storage, not permanently written, computer needs to be turned on to use it, when computer is turned off data stored in this is deleted
RAM- Random Access Memory
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non- volatile, permanent storage,permanently written, and not erased when computer is switched off
ROM- Read Only Memory
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a standard data file format where individuals fields in a single record are separated by a comma e.g apple, banana, true, 12/12/07
CSV- Comma Separated Value
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a measure of the impact of our activities on the enviroment, calculates greenhouse gases we are expected to produce and measures them in units of co2. impacts on the enviroment: o-zone layer, global warming, pollution
Carbon Footprint
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assists the user in the production of a document
wizard
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usually made of multimedia e.g video and sound files. advantages: work at your own pace, stop at any point, testing & scoring feedback, retake tests until you pass
CAL- Computer Assisted Learning
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A file that is used to update the masterfile
transaction file
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Other cards in this set
Card 2
Front
sending a copy of an email to someone who isn't affected by the message, but needs to see it for information purposes
Back
CC- Carbon Copy
Card 3
Front
the rate at which data can be transferred
Back
Card 4
Front
usually monthly subscription fee that allows the user to connect to the internet
Back
Card 5
Front
to check the data entered into the computer matches the original source data, doesn't check if data is correct e.g entering a password twice if you change it
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