Fill in the blanks with the correct words. Click "Check Answer" to see if you're right!
Term: Primary memory
Definition:
It holds data and instructions in use by the processor. Consists of and ROM
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Term: RAM
Definition:
Random Access Memory. Holds the currently running and data. Volatile which means data is emptied when the is off. Not needed for systems.
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Term: ROM
Definition:
Read Memory. Non-volatile which means instructions and data when power is off. Stores in general purpose computers and OS in embedded system computers.
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Term: Virtual memory
Definition:
Using part of the secondary storage as if it were . Used for currently running applications that cannot into RAM.
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Term: Magnetic storage
Definition:
Data stored on metal disks using electro-magnetism. Pros: capacity, Cost per unit is less than Solid State. Cons: durability due to moving parts.
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Term: Optical storage
Definition:
Data stored on discs using pits and lands and a laser to read the data. Pros: per unit is low, portable. Cons: Low capacity, very durable.
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Term: Secondary storage
Definition:
A storage of instructions and data
currently in use by the processor. Essential for storing data when the power is off.
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Term: Solid state storage
Definition:
Pros: Fast speed, durable, large capacity, portable. Cons: cost per unit