Computer 10 Past Papers Grand MCQs Test

1. The process of retrieving a program instruction from memory is called:

2. What is the output of the following code?
for (int j=1; j<=3; j++) printf (“%d",j);

3. How many logical operators are in C?

4. Which of the following refers to uploading of Web pages to Web server so that others can access it?

5. Which one of the following gates has an output = A.B?

6. Which of the following structures allows a choice among various options?

7. Karnaugh map is a pictorial form of:

8. What is the output of following program code segment when a=2 and b=1?
switch (a+b)
{ case 1:
case 2:
case 3:
printf(“%d”,a+b);
break;
default:
printf(“%d”,a-b);
}

9. Which combination of logic gates is used to make a NAND gate?

10. Which operator has lowest precedence?

11. What will be the output of (6 >7)? printf("ABC”):printf("XYZ”);?

12. Which statement is equivalent to “k = k + a;” ?

13. What is the maximum number of possible input combinations in a truth table that has three variables?

14. Which of the software examines the values stored in variables and helps in finding and removing the errors?

15. Which part of the web address tells the server type of file is being requested?

16. Which symbol is used to obtain the total marks from the values given by users, in the flow chart development?

17. Which language is used for creating Web pages?

18. When the input to an inverter is LOW(0) the output will be:

19. What is the output of the following code?
int a = 15;
float s = 5.50;
printf (“%f”, a/s);

20. Which format specifier is used to print or read a floating-point value in decimal notation?

21. Which one of the following functions is used to read the string “Computer Science”?

22. Which of the following is the valid variable name?

23. Which one of the following symbols is used in the flow chart for the statement “Marks<33”?

24. How many times “FBISE” will be displayed by the following code?
for (int i=1; i<10; i=+2) printf (“FBISE”);

25. Which inputs combination will produce HIGH output in an AND gate?

26. Which one of the following is the correct HTML statements to divide the browser window into 3 columns?

27. A computer that makes the web pages available through the internet is called:

28. Which of the following gates is also known as inverter?

29. Which heading tag pair is used to display largest size heading in an HTML web page?

30. Which of the following is also called counter loop?

31. Which loop structure is most suitable when number of iterations/repetitions are known in advance?

32. Which symbol with the variable, refers to the memory location in the scanf() function:

33. Which combination of logic gates is used to get a NOR gate?

34. Which statement is used to exit from body of switch statement?

35. Which symbol is used for decision in a flow chart?

36. Which of the following operators is NOT a unary operator?

37. Which one of the following is a valid statement for “For loop”?

38. Which of the following functions is used to read the string “Computer Science”?

39. Which loop structure is most suitable when the body of loop executes at least once, even the given condition at first iteration is false?

40. What does a small circle represent in a flowchart?

41. Which statement is equivalent to “k = k + a;” ?

42. Which program translates high-level language into machine language?

43. Which logic gate is represented by the function, F = \(\widehat{xy}\) ?

44. Evaluate given expression 5 + 3 * 3 - 1

45. What is the value of “z” after evaluating the given expression where a = 5, b = 3?
z = b / 2 + b * 4 / b && b < a + a / 3

46. The loop inside another loop is called:

47. A _______ loop is a loop within another loop.

49. How many bytes are used for a variables of type float?

50. Which escape sequence is used to remove the left character?

51. What is the value of “z” after evaluating the given expression where x=10, y=3?
z = 4*++x ||--y

52. Which escape sequence can be used to insert a Tab in “C” Language?

53. How many heading tags are there in HTML language?

54. Which one of the following is the most suitable for making two ways decision?

55. Which of the following is required to write a C program?

56. What is the output of the following statement where value of a = 65?
printf(“%c = %d”, a,a);

57. What is the primary purpose of using a loop structure in a program?

58. Which loop should be used when it is required to execute the loop at least once?

59. Which operator is an arithmetic operator?

60. Which of the following is called counter loop?

61. Which of the following is valid data type that can be used as variable/expression in switch statement?

62. How many bytes the long data type variable takes in memory?

63. Which of the following HTML tags does not have a closing tag?

64. Which of the following functions all C-programs MUST contain?

65. How many bytes are set aside by the compiler for a variable of type ‘int’?

66. What is the output of the following code?
int i ;
for(i=1;i<=2;i++) printf (“\\n i=%d”, i);

67. Which statement is equivalent to “j=j+a;”?

68. How many times “FBISE” will be displayed by the following code?
for (int i=1; i<10; i=+2) printf (“FBISE”);

69. What is the range of numbers that can be stored in a variable of type float?

70. How many times will the following loop repeat?
For (i=-10; i<1 ; c--)

71. The output will be 1 if all inputs are zero EXCEPT one input, is a case of:

72. In 'C' a variable name CANNOT start with:

73. Which of the following escape sequence is used to move the cursor at the beginning of the next line?

74. Which operator has highest precedence?

75. Which of the selection structures tests only equality?

76. Which one of the following problem-solving stage refers to dividing the solution into steps and arranging in order to solve the problem?

77. Which logic gate is represented by the function =

(𝑥𝑦)

?

78. Which of the selection structures tests only for equality?

79. How many bytes are used for long int data type?

80. What is the output of HTML tag X¹⁰ when used in a webpage?

81. The case block ends with:

82. Which statement is equivalent to “k=k+1”?

83. Which escape sequence is used to move the cursor to the beginning of the current line?

84. What is the output of following code?
int a = 15;
float s = 5.50;
printf (“%f”, a/s);

85. Which of the following is NOT a high-level language?

86. Which of the following is used as a conditional operator?

87. What is the output of following program code segment when a=-1 and b=2?
if(++a==0)
printf(“%d”,a+b);
else
printf(“%d”,b-a);

88. Which symbol is used for processing in a flowchart?

89. Which of the following is unary gate?

90. Which logic gate is represented by the function F = (X + Y) {Whole Bar on X+Y}?

91. Which is a logical operator?

92. What is the output of the following codes where a=1 and b= 5?
if (a-b<6)
printf(“%d”, a);
else
printf(“%d”, b);
printf(“%d”, a+b);

93. How many reserved words does C language have?

94. Which of the following is the symbol for AND operator?

95. URL stand for:

96. A small circle in a flowchart represents:

97. Which of the following is an arithmetic operator?

98. A _______ loop is a loop within another loop.

99. What is the output of following code segment after execution when a=1 and b=2?
if (a+b++<4) printf(“%d”, b); else printf(“%d”, a);

100. Which symbol is used to represent Process/Processing in a flow chart?

101. What is the output of following code segment after execution when a=10, b=-20
if (a>0&&b<0) printf(“%d”, a+b); else printf(“%d”, a-b);

102. Which heading tag pair is used to show the smallest size heading in an HTML web page?