2022湖北软件水平考试考试真题卷(7).docx
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1、2022湖北软件水平考试考试真题卷(7)本卷共分为1大题50小题,作答时间为180分钟,总分100分,60分及格。一、单项选择题(共50题,每题2分。每题的备选项中,只有一个最符合题意) 1.某公司的销售收入状态如表3-5所示,就销售收入而言该公司的盈亏平衡点是 (70) (百万元人民币)。表3-5 某公司的销售收入状态表 2.设有5个产地A1、A2、A3、A4、A5和4个销地B1、B2、B3、B4的运输问题,它们的供应量与需求量及单位运费表如表3-4所示。表3-4 各地供应量/需求量及单位运费表 3.某网络公司为了扩大华北市场,希望在北京举行一个展销会,会址打算选择在北京市内的A、B、C 3
2、个会场之一。获利情况与天气有关。通过天气预报了解到展销会当日天气为晴、多云、雨的概率,收益和会场租赁费用见表3-3,那么该公司所做的决策是 (67) 。表3-3 展销会各种收益和会场租凭费用表 4.IPv6 is short for Internet Protocol Version 6. IPv6 is the next generation protocol designed by the IETF to ( 71 ) the current version Internet Protocol,IP Version 4(IPv4). Most of todays Internet uses
3、 IPv4, which is now more than twenty years old IPv4 has been (72) resilient in spite of its age, but it is beginning to have problems. Most importantly, there is a growing ( 73 ) Of IPv4 addresses,which are needed by all new machines added to the Internet.IPv6 fixes a number of problems in IPv4,such
4、 as the (74) number of available IPv4 addresses. It also adds many improvements to IPv4 in areas such as routing and network autoconfiguration.IPv6 is expected to gradually replace IPv4,with the two coexisting for a number of years during a transition (75) .AsubstitutionBswapCswitchoverDreplace 5.IP
5、v6 is short for Internet Protocol Version 6. IPv6 is the next generation protocol designed by the IETF to ( 71 ) the current version Internet Protocol,IP Version 4(IPv4). Most of todays Internet uses IPv4, which is now more than twenty years old IPv4 has been (72) resilient in spite of its age, but
6、it is beginning to have problems. Most importantly, there is a growing ( 73 ) Of IPv4 addresses,which are needed by all new machines added to the Internet.IPv6 fixes a number of problems in IPv4,such as the (74) number of available IPv4 addresses. It also adds many improvements to IPv4 in areas such
7、 as routing and network autoconfiguration.IPv6 is expected to gradually replace IPv4,with the two coexisting for a number of years during a transition (75) .AremainderBremarkablyCordinaryDabbreviation 6.IPv6 is short for Internet Protocol Version 6. IPv6 is the next generation protocol designed by t
8、he IETF to ( 71 ) the current version Internet Protocol,IP Version 4(IPv4). Most of todays Internet uses IPv4, which is now more than twenty years old IPv4 has been (72) resilient in spite of its age, but it is beginning to have problems. Most importantly, there is a growing ( 73 ) Of IPv4 addresses
9、,which are needed by all new machines added to the Internet.IPv6 fixes a number of problems in IPv4,such as the (74) number of available IPv4 addresses. It also adds many improvements to IPv4 in areas such as routing and network autoconfiguration.IPv6 is expected to gradually replace IPv4,with the t
10、wo coexisting for a number of years during a transition (75) .AshortageBlackCdeficiencyDscarcity 7.IPv6 is short for Internet Protocol Version 6. IPv6 is the next generation protocol designed by the IETF to ( 71 ) the current version Internet Protocol,IP Version 4(IPv4). Most of todays Internet uses
11、 IPv4, which is now more than twenty years old IPv4 has been (72) resilient in spite of its age, but it is beginning to have problems. Most importantly, there is a growing ( 73 ) Of IPv4 addresses,which are needed by all new machines added to the Internet.IPv6 fixes a number of problems in IPv4,such
12、 as the (74) number of available IPv4 addresses. It also adds many improvements to IPv4 in areas such as routing and network autoconfiguration.IPv6 is expected to gradually replace IPv4,with the two coexisting for a number of years during a transition (75) .ArestrictBconfineC1imitedDimprison 8.IPv6
13、is short for Internet Protocol Version 6. IPv6 is the next generation protocol designed by the IETF to ( 71 ) the current version Internet Protocol,IP Version 4(IPv4). Most of todays Internet uses IPv4, which is now more than twenty years old IPv4 has been (72) resilient in spite of its age, but it
14、is beginning to have problems. Most importantly, there is a growing ( 73 ) Of IPv4 addresses,which are needed by all new machines added to the Internet.IPv6 fixes a number of problems in IPv4,such as the (74) number of available IPv4 addresses. It also adds many improvements to IPv4 in areas such as
15、 routing and network autoconfiguration.IPv6 is expected to gradually replace IPv4,with the two coexisting for a number of years during a transition (75) .AdaysBperiodCphaseDepoch 9.设机器码的长度为8,X为带符号纯小数,Y为带符号纯整数,X原=11111111,Y补=11111111,则X的十进制真值为 (1) ,Y的十进制真值为 (2) 。(1)A1/128B-1/128C-127/128D127/128 10.某
16、微型机字长16位,若采用定点补码整数表示数值,最高1位为符号位,其他15位为数值部分,则所能表示的最小整数为 (1) ,最大负数为 (2) 。(1)A+1B-215C-1D-216 11.内存地址从4000H到43FFH,共有 (1) 个内存单元。若该内存每个存贮单元可存储16位二进制数,并用4片存储器芯片构成,则芯片的容量是 (2) 。(1)A256B512C1024D2048 12.某数值编码为FFH,若它所表示的真值为-127,则它是用 (1) 表示的;若它所表示的真值为-1,则它是用 (2) 表示的。(1)A原码B反码C补码D移码 13.评价一个计算机系统时,通常使用 (1) 来衡量系
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