[多选题] Queues that occur everyday life can be seen().

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

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

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2、[多选题]High-level languages are commonly classified as().

• A、logic languages
• B、functional
• C、automatic
• D、procedure-oriented
• E、object-oriented

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3、[多选题]There are AB()between the DTEs.

• A、communications equipment
• B、digital-to-analog converter
• C、will be replaced by an upd()ated standard
• D、the modem

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4、[多选题]The development process in the software life cycle involves four ph ases:analysis,design,implementation,and().

• A、testing
• B、design
• C、implementation
• D、audit
• E、analysis

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5、[多选题]Input devices include:.

• A、the keyboard
• B、microphone
• C、the mouse
• D、touch screen

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