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Ch.11 The System Unit of a Computer System - Coggle Diagram
Ch.11 The System Unit of a Computer System
componets of a computer
power supply
storage devices
motherboard
provide sockets for
CPU
processing power
arithmetic and logic unit (ALU)
control unit
registers
General purpose register
Control register
Status register
CPU Speed
Clock rate
Word length
memory chips
expansion chips
peripherals
Input Peripherals
Monitor, keyboard, mouse, microphone, scanner, digital video camera
Output Peripherals
printer, scanner, monitors
Storage Peripherals
USB flash drive
Communication
braodband modem
system bus
data bus
adress bus
control bus
Machine cycle
sub-cycle
Fetch
Decode
Execute
process of executing an instruction in CPU
Main Memory
Random Acces Memory (RAM)
volatile
Read-only Memory (ROM)
non-volatile
types
Erasable programmable ROM (EPROM)
Electrically erasable programmable ROM (EPROM)
Cache memory
high-speed memory
storage data and instructions recently used by CPU
integration of more cores