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4. Коммутация трех логических устройств второго уровня с тремя выходными цепями первого уровня:
Таблица. 3, N = 0.

Решение.

1. Таблица. 1, N = 5: OR1, AND1, OR2

2. Таблица. 2, N = 1: X2, X3; Y1, Y2; Y3, X1.

Входы OR1: X2, X3.
Входы AND1: Y1, Y2.
Входы OR2: Y3, X1.

3. Таблица. 1, N = 3: AND2, OR3, OR4.

4. Таблица. 3, N = 0: 1, 2; 3, 1; 2, 3.

Выходы AND2: OR1, AND1.
Выходы OR3: OR2, OR1.
Выходы OR4: AND1, OR2.

Написание уравнений логической схемы программного имитатора начинается с выходов Z.

Z1=AND2=OR1*AND1=(X2+X3)*(Y1*Y2);

Z2=OR3=OR2+OR1=(Y3+X1)+(X2+X3);

Z3=OR4=AND1+OR2=(Y1*Y2)+(Y3+X1)

6. Исходный текст программы на языке Си.

[1] /*######################################################*/

[2] /*Copyright (C) 2005 by A.E.Stefanovich tel. 268-3916, 236-2729

[3] Moscow State Academy of the Instrumentation and Informatics MGAPI

[4] Chair Mechatronics of the systems industrial TI-4

[5] */

[6] /*######################################################*/

[7] /* File: imMG.c

[8] Imitator of the schemes electronics */

[9] /*############################################## LEGEND */

[10] /* <=### CHANGE ###

[11] Moscow State Academy of the Instrumentation and Informatics MGAPI

[12] Chair Mechatronics of the systems industrial TI-4

[13] ---------------

[14] Student: L.V. Doronina

[15] Code: 94505

[16] Group: TI-4-94-02

[17] ---------------

[18] Discipline: Programming and bases of algorithms (3401)

[19] Specialty: 2102

[20] Teacher: A.E. Stefanovich

[21] ---------------

[22] Year: 2003-2004

[23] ---------------

[24] DEVICE LVD

[25] Entrances: X1,X2,X3;

[26] Or1=Y2Y1X3+Y1Y3X2+Y3Y2X1+X1X2X3

[27] Or2=X3X2+X3X1+X2X1

[28] Exits:Z1, Z2

[29] */

[30] /*########################################### PROGRAMME */

[31] /*============================= Includes */

[32] #include <c:\TURBOC.3_0\include\stdio.h>

[33] #include <c:\TURBOC.3_0\include\conio.h>

[34] #include <c:\TURBOC.3_0\include\stdlib.h>

[35] #include <c:\TURBOC.3_0\include\graphics.h>

[36] /*============================= Declarations */

[37] int graph_regime();

[38] int text_regime();

[39] int title_sheet();

[40] int draft(int mode); /* <=### CHANGE ### */

[41] int entry_x(); /* <=### CHANGE ### */

[42] int bit(int x,int y,int bit); /* 0 or 1 */

[43] /*============================= Global constants */

[44] #define LF cprintf("\n")

[45] #define CR cprintf("\r")

[46] #define HT cprintf("\t")

[47] #define VT cprintf("\v")

[48] #define BS cprintf("\b")

[49] #define BELL cprintf("\a")

[50] /* */

[51] #define STOP getch()

[52] #define STOP_DRAFT bioskey(0)

[53] #define ALERT_SIGNAL cprintf("\a\a\a")

[54] #define ROW 25

[55] #define COL 80

[56] #define ROW_D 36 /* <=### CHANGE ### */

[57] #define COL_D 50 /* <=### CHANGE ### */

[58] /* */

[59] #define DISPLAY 1

[60] #define WORK 0

[61] /*============================= Global variable */

[62] /*----------------------------- Device */ /* <=### CHANGE ### */

[63] unsigned int X1,X2,X3; /* Entrances */

[64] unsigned int Y1,Y2,Y3; /* Invert. Entrances */

[65] unsigned int And1,And2,And3,And4,And5,And6,And7; /* 1 range */

[66] unsigned int Or1,Or2; /* 2 range */

[67] /*------------------------------ Global graphic variables */

[68] int Font[8]; /* NN user characters */

[69] int Maxx,Maxy; /* Max. dimensions of the screen in the pixels */

[70] /*----------------------------- Text */ /* <=### CHANGE ### */

[71] char *title_1=

[72] " Moscow State Academy of the Instrumentation and Informatics (MGAPI) ";

[73] char *title_2=

[74] " I M I T A T O R - LVD ";

[75] char *title_3=

[76] " Student: L.V. Doronina ";

[77] char *title_4=

[78] " Group: TI-4-94-02 (d); Code: 94505 ";

[79] char *title_5=

[80] " Discipline: Programming and bases of algorithms (3401) ";

[81] char *title_6=

[82] " Specialty: 2102 ";

[83] char *title_7=

[84] " Chair Mechatronics of the systems industrial (TI-4) ";

[85] char *title_8=

[86] " Teacher: A.E. Stefanovich ";

[87] char *title_9=

[88] " Year: 2003-2004 ";

[89] /*------------- Text (device) */

[90] char *title_10=

[91] " Z1=Y2Y1X3+Y1Y3X2+Y3Y2X1+X1X2X3 ";

[92] char *title_11=

[93] " Z2=X3X2+X3X1+X2X1 ";

[94] /*############################################## MAIN */

[95] main()

[96] {

[97] /*----------------------------- Variables */

[98] char work_exit[2];

[99] /*-----------------------------*/

[100] title_sheet();

[101] /* */

[102] draft(DISPLAY);

[103] /* */

[104] while(1)

[105] {/*----------------------------- Top while(1) */

[106] for(;;)

[107] {/*------------ Top for(;;) */

[108] clrscr();

[109] gotoxy(20,12);

[110] cprintf

[111] (" Input 1 (for Work) or 0 (for Exit) --> ");

[112] cscanf("%s",&work_exit);

[113] if(work_exit[0]=='0')

[114] exit(EXIT_SUCCESS); /* -> EXIT SUCCESS */

[115] if(work_exit[0]=='1')

[116] break; /* -> to START */

[117] ALERT_SIGNAL;/* ERROR of the Input and ^ */

[118] }/*------------ Down for(;;) */

[119] /*----------------------------- START */

[120] entry_x();

[121] /* */

[122] draft(WORK);

[123] }/*----------------------------- Down while(1) */

[124] }

[125] /*###################################### SUB_PROGRAMMS */

[126] /*IIIIIIIIIIIIIIIIIIIIIIIIIIIII*/

[127] int graph_regime()

[128] {

[129] /*----------------------------- Variables */

[130] int gdriver=DETECT,gmode,errorcode;

[131] /*----------------------------- Graph. initialisation */

[132] initgraph(&gdriver,&gmode,"C:\\TURBOC.3_0\\BGI");

[133] errorcode=graphresult();

[134] if(errorcode != grOk)

[135] {

[136] gotoxy(1,24);

[137] textattr(LIGHTRED+(BLACK<<4));

[138] cprintf("GRAPHICS ERROR: %s\n",grapherrormsg(errorcode));

[139] STOP;

[140] exit(EXIT_SUCCESS);

[141] }

[142] Maxx=getmaxx();

[143] Maxy=getmaxy();

[144] /*----------------------------- Installuserfont */

[145] Font[0]=installuserfont("bold");

[146] Font[1]=installuserfont("euro"); /* Cyr */

[147] Font[2]=installuserfont("lcom"); /* Cyr */

[148] Font[3]=installuserfont("litt");

[149] Font[4]=installuserfont("sans");

[150] Font[5]=installuserfont("scri"); /* Cyr manuscript */

[151] Font[6]=installuserfont("simp"); /* Cyr */

[152] Font[7]=installuserfont("tscr"); /* Cyr manuscript */

[153] /* */

[154] return 0;

[155] }

[156] /*IIIIIIIIIIIIIIIIIIIIIIIIIIIII*/

[157] text_regime()

[158] {

[159] closegraph();

[160] restorecrtmode();

[161] textbackground(BLACK);

[162] textcolor(WHITE);

[163] /* */

[164] return 0;

[165] }

[166] /*IIIIIIIIIIIIIIIIIIIIIIIIIIIIII*/

[167] int title_sheet()

[168] {

[169] /*----------------------------- Variables */

[170] int x,y;

[171] int kx; /* Scale of the title sheet */

[172] int ky;

[173] /*----------------------------- Graph. initialisation */

[174] graph_regime();

[175] /*----------------------------- Scale of the title sheet */

[176] kx=Maxx/COL;

[177] ky=Maxy/ROW;

[178] /*----------------------------- Title 1 */

[179] setcolor(YELLOW);

[180] setbkcolor(BLACK);

[181] settextstyle(SMALL_FONT,HORIZ_DIR,5);

[182] settextjustify(CENTER_TEXT,CENTER_TEXT);

[183] x=Maxx/2;

[184] y=1*ky;

[185] outtextxy(x,y,title_1); /* MGAPI */

[186] /*----------------------------- Frame */

[187] setcolor(WHITE);

[188] setlinestyle(SOLID_LINE,0,THICK_WIDTH);

[189] x=1*kx;

[190] y=2*ky;

[191] rectangle(x,y,Maxx,Maxy);

[192] setfillstyle(SOLID_FILL,BLUE);

[193] x=Maxx/2;

[194] y=Maxy/2;

[195] floodfill(x,y,WHITE);

[196] /*----------------------------- Text */

[197] settextjustify(CENTER_TEXT,CENTER_TEXT);

[198] setcolor(YELLOW);

[199] settextstyle(SMALL_FONT,HORIZ_DIR,7);

[200] x=Maxx/2;

[201] y=19*ky;

[202] outtextxy(x,y,title_4); /* Group, Code ... */

[203]

[204] settextstyle(SMALL_FONT,HORIZ_DIR,5);

[205] x=Maxx/2;

[206] y=4*ky;

[207] outtextxy(x,y,title_7); /* TI-4... */

[208]

[209] settextstyle(SMALL_FONT,HORIZ_DIR,5);

[210] setcolor(LIGHTGRAY);

[211] x=Maxx/2;

[212] y=21*ky;

[213] outtextxy(x,y,title_6); /* Speciality... */

[214]

[215] x=Maxx/2;

[216] y=22*ky;

[217] outtextxy(x,y,title_5); /* Discipline... */

[218]

[219] x=Maxx/2;

[220] y=23*ky;

[221] outtextxy(x,y,title_8); /* Teacher... */

[222]

[223] x=Maxx/2;

[224] y=24*ky;

[225] outtextxy(x,y,title_9); /* Year... */

[226]

[227] settextstyle(TRIPLEX_FONT,HORIZ_DIR,0);

[228] setusercharsize(1,1,3,2);

[229] settextjustify(CENTER_TEXT,CENTER_TEXT);

[230] x=Maxx/2;

[231] y=11*ky;

[232] setcolor(BLACK);

[233] outtextxy(x,y,title_2); /* IMITATOR... */

[234] setcolor(WHITE);

[235] outtextxy(x+4,y+4,title_2);

[236]

[237] setcolor(WHITE);

[238] settextstyle(SMALL_FONT,HORIZ_DIR,7);

[239] settextjustify(CENTER_TEXT,CENTER_TEXT);

[240] x=Maxx/2;

[241] y=14*ky;

[242] outtextxy

[243] (x,y,"(Imitator of the schemes electronics)");

[244]

[245] setcolor(YELLOW);

[246] settextstyle(SMALL_FONT,HORIZ_DIR,7);

[247] settextjustify(CENTER_TEXT,CENTER_TEXT);

[248] x=Maxx/2;

[249] y=18*ky;

[250] outtextxy(x,y,title_3); /* Student... */

[251] /*----------------------------- Happy work */

[252] settextstyle(SMALL_FONT,HORIZ_DIR,7);

[253] settextjustify(CENTER_TEXT,CENTER_TEXT);

[254] x=Maxx/2;

[255] y=16*(Maxy/ROW);

[256] while(bioskey(1)==0)

[257] {

[258] setcolor(random(16));

[259] outtextxy(x,y," HAPPY WORK ");

[260] }

[261] STOP_DRAFT;

[262] /*----------------------------- Return to text mode */

[263] text_regime();

[264] /* */

[265] return 0;

[266] }

[267] /*IIIIIIIIIIIIIIIIIIIIIIIIIIIII*/

[268] int draft(int mode) /* <=### CHANGE ### */

[269] {

[270] /*----------------------------- Variables */

[271] int x,y;

[272] int kx; /* Scale of the title sheet */

[273] int ky;

[274] /*----------------------------- Graph. initialisation */

[275] graph_regime();

[276] /*----------------------------- Scale of the title sheet */

[277] kx=Maxx/COL_D;

[278] ky=Maxy/ROW_D;

[279] /*----------------------------- Frame */

[280] setbkcolor(BLACK);

[281] setcolor(LIGHTGRAY);

[282] setlinestyle(SOLID_LINE,0,NORM_WIDTH);

[283] rectangle(0,0,50*kx,36*ky);

[284] /*----------------------------- Title 1 */

[285] settextstyle(SMALL_FONT,HORIZ_DIR,7);

[286] settextjustify(CENTER_TEXT,CENTER_TEXT);

[287] setcolor(YELLOW);

[288] outtextxy(25*kx,1*kx,title_2);

[289] /*----------------------------- Devices */

[290] settextstyle(Font[2],HORIZ_DIR,1);

[291] setlinestyle(SOLID_LINE,0,NORM_WIDTH);

[292] setcolor(WHITE);

[293] /*------------- Devices Invertor */

[294] /* invertor 1 */

[295] rectangle(38*kx,7*ky,40*kx,11*ky);

[296] circle(39*kx,11*ky,3);

[297] setcolor(YELLOW);

[298] outtextxy(39*kx,8*ky,"1");

[299] setcolor(LIGHTGRAY);

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