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2 1. a.. b. MS-Paint. Ex.No 1 Windows XP c. 23,, d. MS-Dos DIR /W /P /B /L. Windows Xp, MS-Paint, Dir ; 1. Properties Display Properties MS-Paint ok 1. Start All program Accessories Paint 2. Creat Shortcut 1. Start Allprogram Accessories Calculator 2. View- Scientific 3. Dec Bin 5. Oct 6. Hex

3 MS-Dos Dir 1. Start Allprogram Accessories Command Prompt Ms-Dos 2. DIR/W Starting multiple applications is very simple. First one application. The application appear on the screen in a window. At the same time a button with name of the application appear on the taskbar. Now Star the Second application 3. DIR/L 4. DIR/P 5. DIR/B 2. a. MS-Paint ஐ b. MS-Paint WordPad. Ex.No 2 c. Wordpad. MS-Paint Wordpad Starting multiple applications is very simple. First one application. The application appear on the screen in a window. At the same time a button with name of the application appear on the taskbar. Now Star the Second application d.,,, Ms-Paint 1. Start Allprogram Accessories Paint MS-paint

4 2. c. FolderABC abc.txt 3. Select tool 4. Edit Copy (Ctrl+C) d. xyz.txt FolderXYZ Word Pad 1. Start Allprogram Accessories Word pad Wordpad 2. Edit Past (Ctrl+V) Wordpad Ex.No 3 1. Word Pad. 2. Ctrl+J Ctrl+R Ctrl+L Ctrl+E 1. Start Allprogram Accessories Notepad Note psd File Save (Ctrl+S) abc.txt 1. Star My Document My Document 2. File New Folder FolderAbc My Document abc.txt a. Notepad- abc.txt b. Windows explorer FolderABC Edit Copy (Ctrl+C). 2. FolderAbc 3. Edit Past(Ctrl+V) abc.txt

5 1. abc.txt File Rename XYZ.txt 2. FolderAbct File Rename FolderXYZ 4. + R Run Calc Alt + F4 4. Windows a. My Computer b. System Properties c. d. Run Calculator e. 5. Windows Explorer a. Explorer b. Ex.No 4 ( ) c. d. Windows 1. + E My Computer 2. + Break System Properties 3. + F1

6 Ex.No 5 Windows Explorer Windows Explorer,, Start Allprogram Accessories Windows-Explorer Windows-Explorer Explorer File and Folder Task Make a New Folder Explorer other Places MyComputer MyComputer. 1. View Icons 2. View Tiles 3. View Lis 4. View Details 5. View Filmstrip 1. Search 2. All Files and Folders Search

7 1. N (Fibonacci Series ) Output Enter N Value 6 The Fibonacci Series is a=b; b=c; Ex.No 1 2. (String) void main() { int a=-1,b=1,c,i,n; clrscr(); printf( Enter N Value ); scanf( %d,&n); printf( The Fibonacci Series is ); for(i=1;i<=n;i++) { c= a+b; printf( %d\t,c); Output Enter A word Amma Vowels 2 Ex.No 2

8 #include<string.h> int main() { int c=0,i; char a[10]; clrscr(); printf("enter A word "); scanf("%s",a); for(i=0;i<=strlen(a);i++) switch(tolower(a[i])) { case 'a' case 'e' case 'i' case 'o' case 'u' c++; printf("vowels %d ",c); Output The Adam Numbers 11 = = = = = = = = = = = = 169

9 Ex.No if(i*i== reverse(r*r)) printf("%d = %d\t %d = %d\n",i,r,i*i,r*r); int reverse(int n) { int r=0,a; while(n!=0) { a = n%10; r = r*10+a; n = n/10; return(r); void main() { int r,i; clrscr(); printf("the Adam Numbers \n"); for(i=10;i<100;i++) { r=revers(i);

10 4. Output Binary Number 1111 Decimal Number 15 Ex.No 4 #include<math.h> int main() { long int bin; int dec=0,a,i=0; // clrscr(); printf("binary Number "); scanf("%ld",&bin); while(bin!=0) { a= bin%10; bin= bin/10; dec = dec+ a* pow(2,i); i++; printf("decimal Number %d",dec);

11 x.no 4 N 5. 1 N Output Enter N value 1000 The Perfact No. are void main() { int i,j,n,s; clrscr(); printf("enter N value "); scanf("%d",&n); printf("the Perfact No. are..."); for(i=1;i<=n;i++) { s=0; for(j=1;j<=i/2;j++) if(i%j==0) s= s+ j; if(s==i) printf("%d ",i);

12 Ex.No 4 6. (Palindrome) Output Enter A Word amma Reveres word amma is not Palindrome #include<string.h> void main() { int c=0,i; char a[10],b[10]; clrscr(); printf("enter A word "); scanf("%s",a); strcpy(b,a); strrev(b); printf("reveres word %s \n\n",b); if(strcmp(a,b)) printf(" is not Palindrome "); else printf(" is Palindrome ");

13 Ex.No 4 7. N Output void main() Enter N value 5 Enter 5 values Descending order { int a[10],i,t,n,j; clrscr(); printf("enter N value "); scanf("%d",&n); printf("enter %d values...",n); for(i=0;i<n;i++) scanf("%d",&a[i]); for(i=0;i<n;i++) for(j=i+1;j<n;j++) if(a[i]<a[j]) { t =a[i]; a[i]=a[j]; a[j]=t;

14 printf("descending order... "); for(i=0;i<n;i++) printf("%d ",a[i]); Ex.No 4 int main() 8. { int a[3][3],i,j,sum=0; clrscr(); printf("enter A Matrix..."); for(i=0;i<3;i++) for(j=0;j<3;j++) Output Enter A Matrix The sum of Diagonal matrix is 15 { scanf("%d",&a[i][j]); if(i==j) sum=sum+a[i][j]; printf("the sum of Diagonal matrix is %d ", sum);

15 9.. Output Enter A Matrix Transpose matrix is ExNo void main() { int a[3][3],i,j,sum=0; clrscr(); printf("enter A Matrix..."); for(i=0;i<3;i++) for(j=0;j<3;j++) scanf("%d",&a[i][j]); printf("transpose matrix is \n"); for(i=0;i<3;i++) { for(j=0;j<3;j++) printf("%d\t",a[j][i]); printf("\n");

16 ExNo 10 Output Enter N value 10 Enter 10 Names... Ammu Babu Chandra Dharani Elumalai Gopal Hari Iyappan Jahan Kannan The Name are... Ammu Babu Chandra Dharani Elumalai Gopal Hari Iyappan Jahan Kannan int main() { int a[10][10],i,n; //clrscr(); printf("enter N value "); scanf("%d",&n); printf("enter %d Names...",n); for(i=0;i<n;i++) scanf("%s",a[i]); printf("the Name are...\n"); for(i=0;i<n;i++) printf("%s\n",a[i]);

Concepts & Practice Computer Science N. Mohan., MCA., B.Ed Std: 11 Two, Three marks & Five Marks SSV, Sivagiri.

Concepts & Practice Computer Science N. Mohan., MCA., B.Ed Std: 11 Two, Three marks & Five Marks SSV, Sivagiri TWO MARKS 1. Define Computer. 2. Define Algorithm? 3. What are the parts of the computer?