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CA Chapter 4 Review

Terms in this set (30)

__________ refers to whether memory is internal or external to the computer.
Location
Internal memory capacity is typically expressed in terms of _________.
bytes
For internal memory, the __________ is equal to the number of electrical lines into and out of the memory module.
unit of transfer
"Memory is organized into records and access must be made in a specific linear sequence" is a description of __________.
sequential access
Individual blocks or records have a unique address based on physical location with __________.
direct access
For random-access memory, __________ is the time from the instant that an address is presented to the memory to the instant that data have been stored or made available for use.
access time
The ________ consists of the access time plus any additional time required before a second access can commence
memory cycle time
A portion of main memory used as a buffer to hold data temporarily that is to be read out to disk is referred to as a _________.
disk cache
A line includes a _________ that identifies which particular block is currently being stored.
tag
__________ is the simplest mapping technique and maps each block of main memory into only one possible cache line.
Direct mapping
When using the __________ technique all write operations made to main memory are made to the cache as well.
write through
The key advantage of the __________ design is that it eliminates contention for the cache between the instruction fetch/decode unit and the execution unit.
split cache
The Pentium 4 _________ component executes micro-operations, fetching the required data from the L1 data cache and temporarily storing results in registers.
execution unit
In reference to access time to a two-level memory, a _________ occurs if an accessed word is not found in the faster memory.
miss
A logical cache stores data using __________.
virtual addresses
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