江苏省计算机一级B(理论部分)

1 B 1 1 2 3 Information Technology IT 4 5 F 6 7 GSM CDMA 3G 8 b byte 1byte 8bit 2 2 kilobyte 1KB 210 1024B megabyte 1MB 220 1024KB gigabyte 1GB 230 1024MB terabyte 1TB 240 1024GB kilo mega giga 10 b s bps kb s 1kb s 103 1000b s k 1000 Mb s 1Mb s 106 1000kb s Gb s 1Gb s 109 1000Mb s Tb s 1Tb s 1012 1000Gb s 1024 1000 9 11101 1011B 1 24 1 23 1 22 0 21 1 20 1 2 1 0 2 2 1 2 3 1 2 4 29 6875 4 Cache 2 32 CPU 32 5 CD CD ROM CD R CD RW 6 CMOS 7 CCD 8 CRT LCD 1024 768 9 10 ATX BTX 1 2 255 windows linux 3 java c VB c if else 4 0 T 1 5 2 3 LAN MAN WAN 4 C S C S WEB 5 6 NOS WIN UNIX LINUX 7 1 2 2 3 4 5 MAC 6 FDDI 7 X 25 ATM 8 1 2 3 4 TCP IP HTTP FTP File Telent 5 TCP IP TCP UDP 6 TCP UDP 7 IP 4 32 A 128 B 128 192 6 C 192 224 8 IP 0 1 9 DNS IP IP 1b 64K 10 ADSL 1 2 3 1 F 2 CIMS MRP MRP F 3 Cable MODEM F 4 4 5 6 kbps 56 7 1 1 ASCII 128 96 32 2 GB2312 GBK 3 UCS Unicode GB18030 2 1 2 RTF 3 3 bitmap vector graphics 4 1 pel 1 7 2 RGB CMYK HSB YUV 3 5 8 1 RLE 2 BMP TIF GIF JPEG JP2 6 AutoCAD ARCInfo PROTEL SuperMap GIS CAXA CorelDraw Illustrator FreeHand Microsoft Visio Word PowerPoint OpenGL Direct 3D 7 50 s Animator Pro 3DStudioMAX Director GIF ImageReady Fireworks Gif Animator Flash swf 8 1 VCD DVD CD 650MB VCD MPEG 1 650MB DVD MPEG 2 4 7GB 9 VOD VOD Real System 1 2 3 C 1 C S Client Server B S Browser Server C 2 4 E R 5 SQL 6 SQL 1 AutoCAD 2 SQ