[多选题] The equipment().

1、[多选题]()is a type of eｘecutable file.

• A、EXE file
• B、COM file
• C、JPG file
• D、TXT file

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2、[多选题]What make it is difficult to agree on how to count viruses?

• A、new virus arise from an existing virus
• B、some viruses can use polymorphic technique
• C、just a trivial change may creaｔe a new virus
• D、some viruses can creaｔe different versions when they infect other programs

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3、[多选题]The two most common types of scanners are()and()

• A、hand-held scanners
• B、handler scanners
• C、flatbed scanners
• D、auto scanners

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4、[多选题]The World Wide Web also subsumes previous Internet information s ystems such as().

• A、Gopher
• B、Telnet
• C、Ftp
• D、FTP

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5、[多选题]The tools which Programming software usually provides include:

• A、text editors
• B、linkers
• C、interpreters
• D、debuggers
• E、compilers

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