to damage a computer file in such a way that the information in it is no longer correct
Card 62
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cursor n.
Answer
[C] a small mark that can be moved around a computer screen to show exactly where you are working
Card 63
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crack v.
Answer
to break into a computer system or to copy software illegally by breaking copy-protection and registration techniques
Card 64
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customize v.
Answer
to adapt a program or application to suit the needs of the owner
Card 65
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crawler (also spider) n.
Answer
[C] a program that collects and indexes Web pages and the references linked to them
Card 66
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data warehousing n.
Answer
the combination of many different databases which come from different parts of a business and which are stored together
Card 67
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data transfer rate (DTR) n.
Answer
[C] the speed at which data can be transmitted from one device to another
Card 68
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data mining n.
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[U] the process of extracting hidden patterns from a group of data that can be used to predict future behaviour
Card 69
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cyber prefix
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related to the new things that have been made possible by computer systems or the Internet
Card 70
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decrypt v.
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to change encrypted data back to its original form
Card 71
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debug v.
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to find and remove the errors in a computer program
Card 72
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dial-up a.
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using traditional copper telephone lines with analogue signals to connect a computer to a network
Card 73
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decompress (also expand) v.
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to change a compressed file back to its original size
Card 74
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default n, v.
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~ [U] an instruction assumed by a program if the user gives no other instructions
~ (of a program) to assume an instruction if the user gives no other instructions
Card 75
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dialogue (AmE also dialog) box n.
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[C] a special window on a screen allowing the user to communicate with the computer by entering information or setting options
Card 76
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desktop
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[C] a computer screen which represents an office desktop and shows the icons of the programs ready for use
Card 77
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defragment v.
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to put all the parts of a file together in one location, which reduces the time the computer needs to load it into memory
Card 78
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digitize v.
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to convert analogue information into a digital form that can be read and processed by a computer
Card 79
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digital a.
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using a series of the digits one and zero to receive and send information by means of an electronic signal that is either on or off
Card 80
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digit n.
Answer
[C] any number from 0 to 9
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