Kategorier: Alla - security - memory - cpu - architecture

av GUASON YT för 10 månader sedan

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ARCHITECTURE OF A COMPUTER SYSTEM

ARCHITECTURE OF A COMPUTER SYSTEM

ARCHITECTURE OF A COMPUTER SYSTEM

A computer system is a set of components that process data and produce information, with the CPU as the brain, memory for storing data and instructions.

Security
Control de acceso

Only authorized personnel allowed

SWITCH-BASED ARCHITECTURES
Use of switches to interconnect components

ADVANTAGES -Higher bandwidth -Lower latency -More scalability

DIRECT MEMORY ACCESS
Data transfer without CPU intervention

PROCESS -DMA request -Data transfer -Interruption at completion

CLUSTERED SYSTEMS
Set of connected computers

TYPES -High availability -Enhanced performance -Parallel computing

COMPUTER ARCHITECTURE
VONNEUMANN -Traditional architecture

Harvard -Separation between data and instructions

RISC -Reduced set of instructions

CISC -complex set of instructions

OPERATING SYSTEMS
-Process management -Memory management -File system

TYPES -Monotasking -Multitasking -Real Time

MEMORY
MEMORY HIERARCHY -Records -Cache -Main Memory -Secondary Memory

Memory Management -Memory Allocation -Pagination -Segmentation

TRAINING CYCLE
PHASES -Instruction search -Decoding -Execution -Storage

Interruptions -Hardware -Software

BUSES
communication channels between components

TYPES -system buses -expansion buses

FUNCTIONS - data, address and control signal transport

KEY COMPONENTS
CPU -Logical arithmetic unit -Control unit -Registrations

MEMORY -Random access memory -Reading-only memory -caché

INPUT/OUTPUT DEVICES --keyboard,mouse,scanner -monitor,printer -hard disks,optical drives -networks