●CD光盘记录信息的轨迹叫光道，信息存储在__(42)__的光道上。
(42)A.一条圆形 B.多条同心环形 C．一条渐开的螺旋形 D.多条螺旋形
●VCD的图像序列由帧内图像，预测图像和__(43)__构成，其中__(44)__采用JPEG压缩方法来去掉冗余信息。
(43)A．静止图像 B．动态图像 C．插补图像 D．视频图像
(44)A．帧内图像 B．动态图像 C．插补图像 D．视频图像
●IEEE754标准规定：单精度浮点数的最高位为符号位，后面跟8位经偏移的阶码移码），偏移量为+127。尾数用原码表示，且把尾数规格化为1.xxx...x(x为0或1)，并将1去掉，尾数用23位表示。根据该标准，十进制数+178.125的规格化表示形式为___(45)___。
(45)A．0 10000110 01100100010000000000000
B．0 10000111 01100100010000000000000
●A typical peripheral device has __(73)__ which the processor uses to select the device’s internal registers.
(73)A．data B．a control C．a signal D．an address
●Each instruction is processed sequentially, and several instructions are at varying stages of execution in the processor at any given time, this is called instruction __(74)__.
(74)A．executing B．sequencing C．pipelining D．Producing
●Which one of these statements about connecting to the Internet is true? __(75)__
(75)A．The Internet can only be used to link computers with same operating system
B．The Internet can be used to connect computers with different ISP
C．You must have a modem to connect to the Internet
D．You must have a telephone line to connect to the Internet
答案
(1)C(16)A(31)A(46)D(61)A
(2)A(17)C(32)D(47)A(62)B
(3)D(18)B(33)B(48)A(63)A
(4)A(19)C(34)C(49)D(64)A
(5)B(20)A(35)D(50)B(65)D
(6)C(21)A(36)C(51)D(66)A
(7)B(22)C(37)D(52)C(67)B
(8)A(23)D(38)B(53)D(68)C
(9)A(24)C(39)C(54)C(69)D
(10)C(25)B(40)A(55)C(70)B
(11)D(26)B(41)A(56)B(71)A
(12)D(27)A(42)C(57)D(72)A
(13)B(28)B(43)C(58)C(73)D
(14)B(29)D(44)A(59)D(74)C
(15)C(30)C(45)A(60)B(75)B
