[多选题] Input devices include:.

1、[多选题]The processor performance would be high as we reference instructi ons and data from

• A、cache
• B、memory
• C、hard disk
• D、floppy disk

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2、[多选题]A large main memory can be used for storing

• A、interface
• B、applications
• C、data
• D、operating system

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3、[多选题]Cache is

• A、high cost
• B、fast
• C、slow
• D、relatively small

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4、[多选题]Middleware has mechanisms to support controlled interaction throug h

• A、coordination
• B、persistent storage
• C、communication
• D、naming

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5、[多选题]In electronic commerce,information search and discovery services i nclude＿＿＿＿＿＿＿＿＿＿＿＿＿.

• A、directories
• B、software agents
• C、search engines
• D、information filters
• E、electronic catalogs

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