1、 Chapter 02 Understanding of COMPUTERS(Second Edition)02 21.(48p)02 31.(,),()02 41.:,:02 52.(keyboard)(50p),(foam),(dome),(membrane),(capacitive)2-1(mouse)Windows (GUI:Graphic User Interface)(UI:User Interface)(CLI:Command Line Interface)(GUI:Graphic User Interface)(NUI:Natural User Interface)2-2 02
2、 62.(53p)(ball mouse)(optical mouse)2-2 (54p)(serial mouse):IBM PC PS/2 (PS/2 mouse):PS/2 PS/2 (55p)USB (USB mouse):USB :02 72.(55p),2-3 (56p),2-4 ,2-5 02 82.2-6 (57p),(Door Lock),2-7 2-8(sensor)02 93.(58p)CRT(Cathode Ray Tube)3-1 LCD(Liquid Crystal Display)(59p)02 103.(60p):3-2 (61p)(inkjet)HP(Hewl
3、ett-Packard)02 114.ROM(ROM:Read Only Memory)(63p)4-1 ROM(ROM:Read Only Memory)(BIOS:Basic Input/Output System)ROM PROM(Programmable Read Only Memory)ROMEPROM(Erasable Programmable Read Only Memory)PROM EEPROM(Electrically Erasable Programmable Read Only Memory)(flash)ROM 02 124.RAM(Random Access Mem
4、ory)(65p)(read)(write)4-1 RAM(Random Access Memory)SRAM(Static RAM):DRAM(Dynamic RAM):(capacitor)(wait state):CPU RAM 24ms(refresh)ROM(Read Only Memory)RAM(Random Access Memory)Mask ROM,PROM,EPROMSRAM,DRAM02 134.(sequential access):,(magnetic drum)(66p),4-2(magnetic tape)(67p),CD,DVD,02 144.(68p)CD1
5、980 4-2 DVD(Digital Video Disc,Digital Versatile Disc)CD (flash memory)(69p)RAM ROM 02 155.(CPU:Central Processing Unit),/,:CISC RISC CISCRISC 5-1 02 165.,(fetch cycle)(execution cycle)5-2(register)CPU (PC)(IR)(MAR:Memory Address Resister)(MBR:Memory Buffer Resister)5-3 02 175.(ALU:Arithmetic and Logic Unit),(accumulator)(data register)(adder)(status register)5-4
