0.28
0.29
0.30
0.31
0. 32
第1题:
以下选项中不能正确把cl定义成结构体变量的是
A.typedef struct { int red; int green; int blue; } COLOR; COLOR cl;
B.struct color cl { int red; int green; int blue; }
C.struct color { int red; int green; int blue; } cl;
D.struct { int red; int green; int blue; } cl;
第2题:
A.Black,Green,Red,Yellow
B.Black,Red,Green,Yellow
C.Red,Black,Green,Yellow
D.Yellow,Red,Green,Black
第3题:
下列选项中不能正确定义结构体的是_______。
A.typedef struct
B.struct color cl {int red; {int red; int green; int green; int blue; int blue; }COLOR; }; COLOR cl;
C.struct color
D.struct {int red; {int red; int green; int green; int blue; int blue; }cl; }cl;
第4题:
阅读下列说明和 C++代码,填补代码中的空缺,将解答填入答题纸的对应栏内。 【说明】 设计 RGB 方式表示颜色的调色板,进行绘图,其类图如图 5-1 所示。该程序的 C++代码附后。图5-1 类图
【C++代码】 include <iostream> include <stdlib.h> include <ctime> using namespace std; class MyColor{ private: int red; int green; int blue; public: MyColor() {red = 0; green = 0; blue = 0; } ~MyColor() { } MyColor(int red ,int green ,int blue) { this->red = red; this->green = green; this->blue = blue;} //其他方法略 void print() { cout<<"Red: " << red << "\tGreen: " << green << "\tBlue " << blue << endl; } }; class Palette ( private: int number; MyColor** palette; public: Palette() { number = 256; palette = (MyColor*)malloc (sizeof(MyColor ) *number); } ~Palette () { for (int i = 0; i < number; i++) { delete palette[i]; } (1) ; } Palette(MyColor** pale ,int number) { (2) = number; palette = (MyColor**)malloc(sizeof(MyColor*)*number) ; memcpy(palette ,pale ,sizeof(pale)*number); } //其他方法略 void print () { for (int i = 0; i < number; i++) { cout << i << " : " ; palette[i]->print(); } } }; class Drawing{ public: (3) int COLORNUMBER = 16; public: ~Drawing () { } void draw() ( Palette* palette; int red ,green ,blue; MyColor* color[COLORNUMBER); srand((unsigned)time(O)); for (int i = 0; i < COLORNUMBER; i++) red=rand ()% 256; green = rand() % 256; blue = rand ()% 256; color [i) = (4) (red ,green ,blue); } palette = new Palette(color ,COLORNUMBER); palette->print(); for (int i = 0; i < COLORNUMBER; i++) delete color[i]; } }; int main () { Drawing * d = (5) ; d->draw(); delete d; }
第5题:
第6题:
以下程序的输出结果是()。enumColor{Red,Green=2,Blue}staticvoidMain(string[]args){Colorc=0;Colorc1=(Color)2;Console.WriteLine("{0},{1}",c,c1);Console.Read();}
第7题:
Which of the following is the correct pin out for T568B?()
第8题:
public class test( public static void main(stringargs){ string foo = args [1]; string foo = args ; string foo = args ; } ) And command line invocation: Java Test red green blue What is the result? ()
第9题:
6
8
9
12
18
第10题:
1/90
1/ 180
1/360
1/540
1/720
第11题:
Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
Blue, blue/white, orange/white, orange, brown/white, brown, green/white, green
Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
第12题:
Baz has the value of “”
Baz has the value of null
Baz has the value of “red”
Baz has the value of “blue”
Bax has the value of “green”
The program throws an exception.
第13题:
以下选项中不能正确把c1定义成结构体变量的是
A.typedef struct { int red; int green;; int blue; }COLOR; COLOR cl;
B.struct color cl { int red; int green; int blue; };
C.struet color { int red; int green; int blue; }c1;
D.struct { int red; int green; int blue; }cl;
第14题:
A. Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
B. Blue, blue/white, orange/white, orange, brown/white, brown, green/white, green
C. Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
D. Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
第15题:
以下选项中能正确把c1定义成结构体变量的是( )。
A.typedef struct { int red; int red; int green; int blue; }COLOR; COLOR c1;
B.struct color c1 { int red int red; int green int blue; };
C.stmctcolor { int red, int green; int blue; }c1;
D.struct { int red; int green; int blue; }c1;
第16题:
阅读以下说明和 Java 代码,填补代码中的空缺,将解答填入答题纸的对应栏内。 【说明】 设计 RGB 方式表示颜色的调色板,进行绘图。其类图如图 6-1 所示。该程序的 Java代码附后。图6-1 类图
【Java 代码】 //颜色类 class MyColor { private int red ,green, blue; public MyColor( ) { red = o; green = 0; blue = 0; } public MyColor(int red ,int green ,int blue) { this.red = red; this.green = green; this.blue = blue; } //其他方法略 public String toString( ) { return "Red: " + red + "\tGreen: " + green + "\tBlue " + blue; } } //调色板类 class Palette { public int number; / /颜色数 private (1)palette; //颜色表 public Palette( ) { number = 256; palette = new MyColor[number); } public Palette(MyColor[] palette ,int number) { (2)= number; (3)= palette; } //其他方法略 public String toString( ) { String str = ""; for (int i = 0; i < number; i++) { str +=i+ " : " + palette[i] + "\n"; } return str; } //绘图类 class Drawing { public (4) int COLORNUMBER = 16; public static void main(String[] args) { Palette palette; int red ,green ,blue; MyColor[] color = new MyColor[COLORNUMBER]; for (int i = 0; i < COLORNUMBER; i++) { red = (int) (Math.random( ) * 256); green = (int) (Math.random( ) * 256); blue = (int) (Math.random( ) * 256); color [i] = (5) (red ,green ,blue); } palette = new Palette(color ,COLORNUMBER); System.out.println(palette); } }
第17题:
在RGB彩色模型中,如果要产生黄色(Yellow),应是()颜色的混合。
第18题:
Which of the following is the correct wiring order for an RJ-11 two line jack?()
第19题:
Given the following scripts, what output would be generated() usr/local/bin/scriptl #!/usr/bin/ksh VARl=red export VARl=green VARl=blue /usr/local/bin/script2 ARl=yellow /usr/local/bin/script2 #!/bin/ksh echo "The sky is ${VAR1}."
第20题:
第21题:
3/8
3/28
1/4
3/56
5/56
第22题:
Black,Green,Red,Yellow
Black,Red,Green,Yellow
Red,Black,Green,Yellow
Yellow,Red,Green,Black
第23题:
1/4
1/3
4/11
1/2
9/7