WorksheetsCache memory
Total questions: 15
Worksheet time: 6mins
A typical computer system is equipped with a hierarchy of memory subsystems, some internal to the system and some external.
True
False
With write back updates are made only in the cache
True
False
__________ refers to whether memory is internal or external to the computer.
Hierarchy
Tag
Location
Access
"Memory is organized into records and access must be made in a specific linear sequence" is a description of __________.
direct access
random access
sequential access
associative
individual blocks or records have a unique address based on physical location with __________
associative
physical access
direct access
sequential access
Internal memory capacity is typically expressed in terms of _________
hertz
nanos
bytes
LOR
The L1 cache is faster than the L3 cache
True
False
__________ 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.
memory cycle time
direct access
transfer rate
access time
For internal memory, the __________ is equal to the number of electrical lines into and out of the memory module.
access time
unit of transfer
capacity
memory ratio
A line includes a _________ that identifies which particular block is currently being stored
cache
hit
tag
locality
_________ is the simplest mapping technique and maps each block of main memory into only one possible
Direct mapping
Associative mapping
Set associative mapping
None of the above
When using the __________ technique all write operations made to main memory are made to the cache as well.
write back
LRU
write through
unified cache
__________ is the most effective replacement algorithm
Random
LFU
LRU
FIFO
For set-associative mapping, the cache control logic interprets a memory address as __________
3 fields
2 fields
1 field
4 fields
The most effective Replacement Algorithms for direct mapping
LRU
LFU
FIFO
No choice
