【单选题】【消耗次数:1】
某机字长64位,1位符号位,63位表示尾数,若用定点整数表示,则最大正整数为()。
263-1
264-1
263
264
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【判断题】 某机字长32位,其中1位符号位,31位表示尾数。若用定点整数表示,则最大正整数是231-1。
①  正确
②  错误
【单选题】 某机字长16 位,采用原码定点整数表示,符号位为1 位,尾数为15 位,则可表示的最大正整数为(),最小负整数为 ()
①  +(215-1),-(215-1)
②  +(215-1),-(216-1)
③  +(214-1),-(215-1)
④  +(215-1),-(l-215)
【单选题】 某机字长32 位,采用原码定点整数表示,符号位为1 位,数值位为31 位,则可表示的最大正整数为(),最小负整数为()
①  +(231-1),-(231-1)
②  +(231-1),-(232-1)
③  +(230-1),-(230-1)
④  +(231-1),-(1-231)
【单选题】 某机字长16位,采用补码定点小数表示,符号位为1位,数值位为15位,则可表示的最大正小数为(),最小负小数为()
①  +(216-1),-(1-2-15)
②  +(215-1),-(1-2-16)
③  +(1-2-15),-1
④  +(215-1),-(1-2-15)
【单选题】 某机字长32位,采用原码定点小数表示,符号位为1位,数值位为31位,则可表示的最大正小数为(),最小负小数为()
①  +(232-1),-(1-2-31)
②  +(231-1),-(1-2-32)
③  +(1-2-31),-(1-2-31)
④  +(231-l),-(1-2-31)
【单选题】 十六位补码(其中符号位占一位)所能表示的最大整数是()。
①  32767
②  32768
③  65535
④  65536
【单选题】 一个16位的二进制整数,用十进制数表示至少要______位。
①  4
②  6
③  5
④  7
【单选题】 十六位补码(其中符号位占一位)所能表示的最小整数是()。
①  -65536
②  -65535
③  -32768
④  -32767
【单选题】 若补码用8位二进制数表示,则可表示的最大正数是()。
①  28
②  28-1
③  27
④  27-1
【单选题】 5位二进制无符号数最大能表示的十进制整数是________。
①  64
②  63
③  32
④  31
随机题目
【单选题】 ______stole his camera while he is lying on the beach.
①  Anyone
②  Someone
③  Everyone
④  No one
【单选题】 This shirt is___for him. He needs to get a bigger one.
①  enough big
②  not enough big
③  not big enough
【单选题】 Joan replied, “I _________ many European countries and seen lots of places and people.
①  have been to have gone to go to
②  have gone to
③  go to
④  goes to
【单选题】 I ___remember to send my mother some flowers. Its her birthday tomorrow.
①  must
②  have to
③  could
【单选题】 Ihaven got___to do this evening. Would you like to go to see a film?
①  something
②  anything
③  nothing
【单选题】 -“When shall we meet again next week?”-“______________ day is possible. It’s no problem with me.”
①  Either
②  Neither
③  Every
④  Any
【单选题】 _____ ! That fire is dangerous.
①  To stop
②  Stop
③  Stopping
④  Stopped
【单选题】 His grandfather is very healthy. He _______drinks _______smokes.
①  both, and
②  no,but
③  either, or
④  neither, nor
【单选题】 We havent seen such a beautiful film ______.
①  since four years
②  for the past four years
③  four years ago
④  from the past four years
【单选题】 Get up! Mary. Tom has _____called you three times this morning.
①  yet
②  already
③  never
④  seldom