Virus such as a Trojan or Worm, and can cause network crashes.
Answer:
It means that it matches a to z in lowercase, 0 to 9 in digits and \ - in characters.
Explanation:
As In regular expressions such as [a-z] means that it will match between a to z in lower case.
In [0-9] means it will search from 0 to 9 in digits.
so
<em>[a-z0-9] means that it will match all from a to z in lowercase and 0 to 9 in digits.</em>
A plotter is a special output device used to produce hard copies of large graphs and designs on paper, such as construction maps, engineering drawings, architectural plans and business charts.
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Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media.
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They are electroacoustic transducers, which convert an electrical signal to a corresponding SOUND.
Answer:
System software is a type of computer program that is designed to run a computer's hardware and application programs. If we think of the computer system as a layered model, the system software is the interface between the hardware and user applications. The OS manages all the other programs in a computer.
Explanation:
Hope this helps
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