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A hypervisor (virtual machine monitor) provides PC/server virtualization.
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A MAC address is 48 bits (6 bytes).
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An interpreter translates and runs source code line by line (or statement by statement) as the program executes, unlike a compiler that translates the whole program first.
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Ctrl+Shift+Enter splits the table at the cursor (same keystroke also inserts a column break in newspaper columns).
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It depends on track density, bit density and pack layout — all of the above.
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A programmed (factory-written) chip is commonly referred to as ROM.
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