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FOUNDATIONS OF COMPUTER SCIENCE U5 (a simple computer (processing the…
FOUNDATIONS
OF COMPUTER
SCIENCE U5
CPU
registers
data registers
instruction registers
program counter
the control unit
ALU
shift operations
arithmetic operation
logic operations
main memory
memory hierachy
cache memory
memory types
PROM
EPROM
ROM
EEPROM
RAM
address space
input/output subsystem
storage devices
magnetic storage devices
optical storage devices
nonstorage devices
subsystem interconnection
connecting I/O devices
controllers
addressing input/output devides
isolated I/O
memory-mapped I/O
connecting CPU and memory
data base
address bus
control bus
different architectures
pipelining
parallel processing
MISD
MIMD
SIMD
SISD
RISC
CISC
program execution
machine cycle
decode
fetch
execute
input/output operation
direct memory access ( DMA )
a simple computer
processing the instructions
storing program and data
instruction set
cycles
input/output system
another example
main memory
reusability
CPU