Basics of Computer System
1 Basics of Computer System
Hardware Software System Application Computer system=hardware+software 2
2 System Application Computer system=hardware+software Hardware Software
Hardware Output Main Peripherals processor External memory Input Network equipment 3
3 Main processor Peripherals Input Output External memory Network equipment Hardware
Von Neumann Structure Mema External memory Input Output Internal me nory Calculator Controller Data Control- stream Stream
4 Von Neumann Structure Memory Data stream Control Stream Calculator External memory Output Internal memory Input Controller
CPU Control data communication CPU Controller Calculator Arithmetic and logic operation
5 CPU CPU Controller Calculator Control data communication Arithmetic and logic operation
Memory Memory unit is a byte(8 bits) BYTE 1KB=210B=1024B 1MB=210KB=1024KB 7 6543210 1GB=210MB=1024MB Bit 1TB=210GB=1024GB 6
6 Memory Memory unit is a byte (8 bits) 1KB=210B=1024B 1MB= 210KB= 1024KB 1GB= 210MB= 1024MB 1TB= 210GB= 1024GB BYTE 7 6 5 4 3 2 1 0 Bit
Input Output devices @ New type of input output devices (e.g.product from MIT) HELP WANTED
7 Input & Output devices New type of input & output devices (e.g. product from MIT)
Software System software Application software User
8 Software System software Application software User
。 Basic components Motherboard CPU Memory:internal,external 同济大学
同济大学 9 • Basic components – Motherboard – CPU – Memory：internal、external
SATA Connector (x4) BIOS Flash Chip in PLCC Socket Southbridge Floppy Drive (with heatsink) IDE Connector (x2) Connector CMOS Backup Battery 24-pin ATX Power Connector Integrated graphics processor Super IO (with heatsink) Chip DIMM Memory PCI Slot(×3) Slots(×4) CPU Fan Connector CPU Fan Integrated audio Heatsink Mount codec chip Integrated Gigabit Ethernet chip CPU Socket PCI Express Slot (Socket 939) Connectors For Integrated Peripherals 被d5a USB (x4),Ethemet,Audio (x5 同将大学
同济大学 10