[单选题] What does the phrase“frame-based”mean appearing at the beginni ng of the article?

1、[多选题]In order to increase our computer’s performance we need to

• A、have a much larger main memory
• B、have a L2 cache
• C、buy a L2 cache
• D、buy a L1 cache

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2、[多选题]The Application layer in TCP/IP Model is correspond to＿＿＿＿＿＿＿＿in OSI Model

• A、Network Layer
• B、Session Layer
• C、Application Layer
• D、Presentation Layer
• E、Transport Layer

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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]Viruses all have two phases to their eｘecution,the()and the().

• A、creaｔe phase
• B、del()ete phase
• C、infection phase
• D、attack phase

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5、[多选题]Windows 2000’sadvantages are lies in the sections that follow:

• A、Networking
• B、Enterprise Management
• C、Storage
• D、Active Directory

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