ROM
(BIOS)
RAM
CPU
Monitor
L1
L2
Local Bus
Graphics
Adapter
PCI or AGP Local Bus
Mouse
Keyboard
Removable storage
Modem
Laser printer
Scanner
Adapters:
Serial
Parallel
USB
SCSI
Firewire
EISA or PCI Bus
Disk array
Computer Block Diagram
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Computer Hardware Components and Operating System Roles, Study notes of Computer Fundamentals
An overview of various computer hardware components such as BIOS, RAM, CPU, monitor, and their specifications. Additionally, it discusses the roles of an operating system, including user interface, memory management, time management, file system manager, and hardware interface.
Typology: Study notes
2021/2022
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ROM (BIOS)
RAM
CPU
Monitor
L
L
Local Bus
Graphics PCI or AGP Local Bus Adapter
Mouse
Keyboard
Removable storage
Modem
Laser printer
Scanner
Adapters: Serial Parallel USB SCSI Firewire
EISA or PCI Bus
Disk array
Computer Block Diagram
ALU FP
Clock Instruction Decoder
Control Unit
IP
Interrupt Register
Instruction
Data
Data
Data
Cache
CPU
High Speed Regis ters
MMX
Power
External Clock
Data Lines
Address Lines
Interrupt Line
Name Date Transistors Microns Clock speed Data width MIPS
- 8080 1974 6,000 6 2 MHz 8 bits 0. - 8088 1979 29,000 3 5 MHz 16 bits, 8-bit bus 0. - 80286 1982 134,000 1.5 6 MHz 16 bits - 80386 1985 275,000 1.5 16 MHz 32 bits - 80486 1989 1,200,000 1 25 MHz 32 bits - Pentium 1993 3,100,000 0.8 60 MHz 32 bits, 64-bit bus - Pentium II 1997 7,500,000 0.35 233 MHz 32 bits, 64-bit bus ~
- Pentium III 1999 9,500,000 0.25 450 MHz 32 bits, 64-bit bus ~ - Pentium 4 2000 42,000,000 0.18 1.5 GHz 32 bits, 64-bit bus ~1,