十进制数100，用十六进制表示为()。 A: 100H B: AOH C: 64H D: 10H
十进制数100，用十六进制表示为()。 A: 100H B: AOH C: 64H D: 10H
设[tex=7.786x1.643]ywx+JXcAwDlPRgniDr20CW/4xIeXIEIhOzVKEwxyWM8=[/tex]求 [tex=1.286x1.0]/sIODjMp4/aOh/O+xPhNGA==[/tex]及[tex=5.0x2.357]OShELMSr3BVYSonwGjdhE7IIKAlI7baoYp7a55argH4=[/tex].
设[tex=7.786x1.643]ywx+JXcAwDlPRgniDr20CW/4xIeXIEIhOzVKEwxyWM8=[/tex]求 [tex=1.286x1.0]/sIODjMp4/aOh/O+xPhNGA==[/tex]及[tex=5.0x2.357]OShELMSr3BVYSonwGjdhE7IIKAlI7baoYp7a55argH4=[/tex].
用定时器方式2计数要求每记满100次向CPU发出中断请求,TH1、TL1的初始值是() A: 9CH B: 20H C: 64H D: AOH
用定时器方式2计数要求每记满100次向CPU发出中断请求,TH1、TL1的初始值是() A: 9CH B: 20H C: 64H D: AOH
【4.4】标准氢电极是 。 A: Pt，H2 ( pθ)│OH (a OH = 1) B: Pt，H2 ( pθ)│OH (aOH =10-7) C: Pt，H2 ( pθ)│H+( aH +=10-7) D: Pt，H2 ( pθ)│H+(aH += 1)
【4.4】标准氢电极是 。 A: Pt，H2 ( pθ)│OH (a OH = 1) B: Pt，H2 ( pθ)│OH (aOH =10-7) C: Pt，H2 ( pθ)│H+( aH +=10-7) D: Pt，H2 ( pθ)│H+(aH += 1)
Hi, welcome back! Have a nice trip?（） A: AOh, fantastic! Fresh air, and B: BCome on, I've got lots of fun C: CBy the way, I don't like Saturdays D: DWell, I'll look forward to your phone call sunshine every day
Hi, welcome back! Have a nice trip?（） A: AOh, fantastic! Fresh air, and B: BCome on, I've got lots of fun C: CBy the way, I don't like Saturdays D: DWell, I'll look forward to your phone call sunshine every day
3Completetheconversationwithsuitablewords. AHi,Mary,howareyou? BOh,nottoobad,butI’mabitconcernedaboutmyeye. AI’msorrytohearthat.What’sthematter? BWell,I’vejustbeentohospitaltoseea(1)c____andIhadsome(2)t____too,toseewhatwaswrong.I’vegotaproblematthebackofmyeye,andIneedtohavean(3)o____. AOh,dear.Isit(4)u____? BYes,Ihavetohaveitdone(5)s____-I’vegottogo(6)i____hospitaltomorrow. AAndarethereany(7)r____withthetreatment? BIdon’tthinkso;it’saverysimpleoperation,andit’susuallyvery(8)s____:98percentofpeoplecanseebetterafterwards. AAndwhenwillyoubewell(9)e____tostartworkagain? BHesaidI’llneedaweekto(10)g____o____theoperation.Mysisterisgoingto (11)t____c____ofmeathome. AWell,goodluck-Ihopeitgoeswell.
3Completetheconversationwithsuitablewords. AHi,Mary,howareyou? BOh,nottoobad,butI’mabitconcernedaboutmyeye. AI’msorrytohearthat.What’sthematter? BWell,I’vejustbeentohospitaltoseea(1)c____andIhadsome(2)t____too,toseewhatwaswrong.I’vegotaproblematthebackofmyeye,andIneedtohavean(3)o____. AOh,dear.Isit(4)u____? BYes,Ihavetohaveitdone(5)s____-I’vegottogo(6)i____hospitaltomorrow. AAndarethereany(7)r____withthetreatment? BIdon’tthinkso;it’saverysimpleoperation,andit’susuallyvery(8)s____:98percentofpeoplecanseebetterafterwards. AAndwhenwillyoubewell(9)e____tostartworkagain? BHesaidI’llneedaweekto(10)g____o____theoperation.Mysisterisgoingto (11)t____c____ofmeathome. AWell,goodluck-Ihopeitgoeswell.
无符号二进制整数111110转换成十进制数是（ ）。 A．62 B．60 C．58 D．56 1.十进制数1000对应二进制数为______，对应十六进制数为______。 供选择的答案 A：①1111101010 ②1111101000 ③1111101100 ④1111101110 B：①3C8 ②3D8 ③3E8 ④3F8 2.十进制小数为0.96875对应的二进制数为______，对应的十六进制数为______。 供选择的答案 A：①0.11111 ②0.111101 ③0.111111 ④0.1111111 B：①0.FC ②0.F8 ③0.F2 ④0.F1 3.二进制的1000001相当十进制的______。 ①62 ②63 ③64 ④65 4.十进制的100相当于二进制______，十六进制______。 供选择的答案 A：①1000000 ②1100000 ③1100100 ④1101000 B：①100H ②AOH ③64H ④10H 5.八进制的100化为十进制为______，十六进制的100化为十进制为______。
无符号二进制整数111110转换成十进制数是（ ）。 A．62 B．60 C．58 D．56 1.十进制数1000对应二进制数为______，对应十六进制数为______。 供选择的答案 A：①1111101010 ②1111101000 ③1111101100 ④1111101110 B：①3C8 ②3D8 ③3E8 ④3F8 2.十进制小数为0.96875对应的二进制数为______，对应的十六进制数为______。 供选择的答案 A：①0.11111 ②0.111101 ③0.111111 ④0.1111111 B：①0.FC ②0.F8 ③0.F2 ④0.F1 3.二进制的1000001相当十进制的______。 ①62 ②63 ③64 ④65 4.十进制的100相当于二进制______，十六进制______。 供选择的答案 A：①1000000 ②1100000 ③1100100 ④1101000 B：①100H ②AOH ③64H ④10H 5.八进制的100化为十进制为______，十六进制的100化为十进制为______。