When dealing with multiple device interrupts , which mechanism is easy

1.	When dealing with multiple device interrupts , which mechanism is easy to implement
A.	Polling method
B.	Vectored interrupts
C.	Interrupt nesting
D.	None of the above
Answer» B. Vectored interrupts

Discussion

No Comment Found

Related MCQs

What will be the output of the program ?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ FILE *fp;_x000D_ unsigned char ch;_x000D_ /* file 'abc.c' contains "This is IndiaBIX " */_x000D_ fp=fopen("abc.c", "r");_x000D_ if(fp == NULL)_x000D_ {_x000D_ printf("Unable to open file");_x000D_ exit(1);_x000D_ }_x000D_ while((ch=getc(fp)) != EOF)_x000D_ printf("%c", ch);_x000D_ _x000D_ fclose(fp);_x000D_ printf("\n", ch);_x000D_ return 0;_x000D_ }
Which of the following statement is correct about the program?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ FILE *fp;_x000D_ char str[11], ch;_x000D_ int i=0;_x000D_ fp = fopen("INPUT.TXT", "r");_x000D_ while((ch=getc(fp))!=EOF)_x000D_ {_x000D_ if(ch == '\n' || ch == ' ')_x000D_ {_x000D_ str[i]='\0';_x000D_ strrev(str);_x000D_ printf("%s", str);_x000D_ i=0;_x000D_ }_x000D_ else_x000D_ str[i++]=ch;_x000D_ }_x000D_ fclose(fp);_x000D_ return 0;_x000D_ }
Which of the following statement is correct about the program?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ FILE *fp;_x000D_ char ch;_x000D_ int i=1;_x000D_ fp = fopen("myfile.c", "r");_x000D_ while((ch=getc(fp))!=EOF)_x000D_ {_x000D_ if(ch == '\n')_x000D_ i++;_x000D_ }_x000D_ fclose(fp);_x000D_ return 0;_x000D_ }
Point out the correct statements about the program?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ FILE *fptr;_x000D_ char str[80];_x000D_ fptr = fopen("f1.dat", "w");_x000D_ if(fptr == NULL)_x000D_ printf("Cannot open file");_x000D_ else_x000D_ {_x000D_ while(strlen(gets(str))>0)_x000D_ {_x000D_ fputs(str, fptr);_x000D_ fputs("\n", fptr);_x000D_ }_x000D_ fclose(fptr);_x000D_ }_x000D_ return 0;_x000D_ }
Point out the error in the program?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ char ch;_x000D_ int i;_x000D_ scanf("%c", &i);_x000D_ scanf("%d", &ch);_x000D_ printf("%c %d", ch, i);_x000D_ return 0;_x000D_ }
What will be the output of the program ?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ int k=1;_x000D_ printf("%d == 1 is" "%s\n", k, k==1?"TRUE":"FALSE");_x000D_ return 0;_x000D_ }
Point out the error in the program?_x000D_ #include_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ unsigned char;_x000D_ FILE *fp;_x000D_ fp=fopen("trial", "r");_x000D_ if(!fp)_x000D_ {_x000D_ printf("Unable to open file");_x000D_ exit(1);_x000D_ }_x000D_ fclose(fp);_x000D_ return 0;_x000D_ }
What will be the output of the program ?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ float a=3.15529;_x000D_ printf("%2.1f\n", a);_x000D_ return 0;_x000D_ }
What does fp point to in the program ?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ FILE *fp;_x000D_ fp=fopen("trial", "r");_x000D_ return 0;_x000D_ }
What will be the output of the program ?_x000D_ #include_x000D_ _x000D_ int main()_x000D_ {_x000D_ int a=250;_x000D_ printf("%1d \n", a);_x000D_ return 0;_x000D_ }

When dealing with multiple device interrupts , which mechanism is easy to implement

Discussion

No Comment Found

Related MCQs

Reply to Comment