2023年安徽软件水平考试考试模拟卷（1）.docx
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1、2023年安徽软件水平考试考试模拟卷（1）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.局域网体系结构中，对应OSI参考模型的数据链路层的局网层次是（）。ALLCBMACCLLC和MACDMAC和物理层2.当一台主机知道它的物理地址但不知道IP地址时，它可以通过（）得到。AICMPBIGMPCARPDRARP3.Ink-jet printer belongs to nonimpact printers in which the characters are formed by projec
2、ting particles or droplets of ink on to paper. (71) printer is also a n0nimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a (72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which i
3、s then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a (73) . Laser printer creates, by means of a laser beam directed on a (74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. M
4、agnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a (75) of each page.（71）处填（）。AHotBWarmCHeatDThermal
5、4.现代加密体制中可以分为两类，DES算法属于 (64) ，RSA属于 (65) 。（65）处填（）。A公开密钥B替代密码C换位密码D对称密钥5.An analog signal’s characteristic quantity representing data may (66) . at any instant, any value within a continuous (67) . For example, an analog signal may follow continuously the values of another physical quantity re
6、presenting data.A discrete signal is composed of (68) elements in time, each element having one or more characteristic quantities which can represent data. Examples of characteristic quantities are amplitude, waveform, (69) , and position in time. A digital signal is a special case of discrete signa
7、ls, in which data are represented by a (70) number of well-defined discrete values that one of its characteristic quantities may take in time.（67）处填（）。AintervalBregionCrangeDcompartment6.Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or dropl
8、ets of ink on to paper. (71) printer is also a n0nimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a (72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by
9、a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a (73) . Laser printer creates, by means of a laser beam directed on a (74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer c
10、reates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a (75) of each page.（72）处填（）。AbeltBribbonCtapeDband7.An analog signal&rsqu
11、o;s characteristic quantity representing data may (66) . at any instant, any value within a continuous (67) . For example, an analog signal may follow continuously the values of another physical quantity representing data.A discrete signal is composed of (68) elements in time, each element having on
12、e or more characteristic quantities which can represent data. Examples of characteristic quantities are amplitude, waveform, (69) , and position in time. A digital signal is a special case of discrete signals, in which data are represented by a (70) number of well-defined discrete values that one of
13、 its characteristic quantities may take in time.（68）处填（）。AsequentBcontiguousCfollowingDsuccessive8.Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper. (71) printer is also a n0nimpact printer in which the characters
14、 are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a (72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some
15、 instances as a (73) . Laser printer creates, by means of a laser beam directed on a (74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is
16、 then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a (75) of each page.（73）处填（）。AdrawerBpainterCplotterDbrush9.An analog signal’s characteristic quantity representing data may (66) . at any instant, any valu
17、e within a continuous (67) . For example, an analog signal may follow continuously the values of another physical quantity representing data.A discrete signal is composed of (68) elements in time, each element having one or more characteristic quantities which can represent data. Examples of charact
18、eristic quantities are amplitude, waveform, (69) , and position in time. A digital signal is a special case of discrete signals, in which data are represented by a (70) number of well-defined discrete values that one of its characteristic quantities may take in time.（69）处填（）。AdurationBperiodCpersist
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