[单选题] In the system development process,the code is written in the＿＿＿＿＿＿＿＿phase.

1、[多选题]With middleware we can

• A、allow computations to communicate with one another
• B、keep computations largely isolated from undesirable interactions
• C、run programs on a centralized computer system only
• D、run programs on different computer system

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2、[多选题]Middleware lies in

• A、the top of an operating system
• B、the middle of the layering vertical stack
• C、the middle of interactions between different application programs
• D、the top of the layering vertical stack

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3、[多选题]The three desiderata of memory system are

• A、closely approximated today
• B、Less approximated tomorrow
• C、exclusive
• D、independent

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4、[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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5、[多选题]Newer ideas in computing such as()have radically altered the traditional concepts that once determined program form and function

• A、distributed computing
• B、software engineering
• C、artificial intelligence
• D、parallel computing
• E、data mining

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