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10 Cards in this Set

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  • Back
What is the smallest unit of memory?
Bits.
How many Megabytes (Mb) are in 1 Gigabyte (GB)?
1024Mb.
What type of memory drive contains no moving parts, is slightly smaller and is faster than a Hard Disk Drive?
Solid State Drive (SSD).
What is the first level of memory a CPU fetches data from?
The cache.
What is the second level of memory a CPU fetches data from?
The RAM.
What is the final level of memory a CPU fetches data from?
The Hard Disk Drive.
Why is RAM needed in computer systems?
The CPU would take far too long to fetch and use data directly from the hard drive.
In memory, what does the term "volatile" mean?
If the power is switched off, all data and contents are lost.
What is the tiny, very fast memory that acts as a buffer (temporary store) between the CPU and the RAM?
Cache memory.
Which type of memory is portable, non-volatile and used in digital cameras, smartphones and memory sticks?
Flash memory.