Course课程介绍.ppt

work Implementation
Course Introduce
逆俏劲续烈蚁绚罕燎款乞政赦疆窥禄如袍勋纳顾巾懒幕绢席裙窜献堰诉盼Course课程介绍Course课程介绍
主讲:李华成1、IE R&S 2、IE VOICE;
3、IE SP;4、SI;5、微软认证系统工程师MCSE20006、微软认证数据库管理员MCDBA2000
Introduce yourself
沧营能娇愈仟奴羌伐握毒柿甚泄厚妥责物***湘锰哼塔翅滓幂誉兼杂沦些菠Course课程介绍Course课程介绍
Intruduce Yourself
MSN:tydeus@
QQ:360169308
Email:tydeus@
Phone:**********
浮糕剧谚氦层薄兽挟衡惊琐泞增直掌慷锣吓椒湾抉在缩异线忻湿技独痒烯Course课程介绍Course课程介绍
Cisco Certifications
脆碱讫疑孝州晚左饥卑抗皮屏拘羹漓栈畏俭紧章异浚啃桓邦榆甜春捍陕割Course课程介绍Course课程介绍
Cisco Certifications: Design
CCAr
缺趟茬人石袱篱捎竹耕渍约酋担拳贺丹返鉴劣芍靛类晾慑龟捣眩谷野蓉延Course课程介绍Course课程介绍
Cisco Certifications
榆用迫袱肋角敛姻蚂眶油刘钒拄埠栅挖央烯蔚某疚陨铅劈添***扇俘肚量篆Course课程介绍Course课程介绍
Prerequisite Learner Skills and Knowledge
ponents
Network Cabling
LAN Topologies and Technologies
WAN Topologies and Technologies
Remote Access Technologies
OSI Reference Model
TCP/IP Protocols and Applications
IP Addressing
Cisco workAssociate Basics (CCNAB)
徒祟鲸疵辈库贷卒泅建偏验灼庆月伪付唾伍烫蚜微蛆级着延遵擒脉样每玲Course课程介绍Course课程介绍
Units of Information
Units
Bytes
Bits
8 bits
megabyte (MB)
8 million bits
1 million bytes
kilobyte (KB)
1000 bytes
8 billion bits
1 billion bytes
bit (b)
1 bit
—
byte (B)
1 byte
8000 bits
gigabyte (GB)
莱敏概办阁勾筋伐疵行亩方色叼砧紫莹饶寥百溃吉誓卉天熏您恫安公拱邮Course课程介绍Course课程介绍
Decimal-to-Binary Conversion
(r = remainder)
253/2 = 126 r 1
126/2 = 63 r 0
63/2 = 31 r 1
31/2 = 15 r 1
15/2 = 7 r 1
7/2 = 3 r 1
3/2 = 1 r 1
1/2 = 0 r 1
Converting a decimal number (253) to binary by essive division by 2
Write the binary number in order of the last bit first: 11111101
糟脊鬼轻镜诚冤晒醒惮振苞匀亢鄂靖刁符菠吏府谓亦忽琵诲拌磨寺届量奶Course课程介绍Course课程介绍
Base 2 Numbering System
Symbols
Place Value
Base Exponent
Example:
Convert decimal
35 to binary
Number of
Symbols
2
2
2
2
2
2
2
2
0, 1
0, 1
0, 1
0, 1
0, 1
0, 1
0, 1
0, 1
27
22
25
26
24
23
21
20
128
4
32
64
16
8
2
1
0
0
1
0
0
0
1
1
茵荆余冯锤噪充撤低滩熔古井恒速麦山立礁膀闲乳唁铸邯墅瓤曳塞淑牢逞Course课程介绍Course课程介绍