7th Class Computers Science Programming Concepts Question Bank

done Programming in QBASIC Total Questions - 20

• question_answer1)
  What will be the output of the following program?

  \[\begin{array}{*{35}{l}}    age\text{ }=\text{ }10  \\    DO  \\    PRINT\text{ }age  \\    age\text{ }=\text{ }age\text{ }+\text{ }1  \\    LOOP\text{ }WHILE\text{ }age\text{ }<10  \\ \end{array}\]

   
  A)
  9    done clear
  B)
  11 done clear
  C)
  10   done clear
  D)
  12 done clear
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• question_answer2)
  Which of the following is NOT a valid step value for a loop?
  A)
  2 done clear
  B)
  -2 done clear
  C)
  0.03 done clear
  D)
  None of these done clear
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• question_answer3)
  Write the following expression in QBASIC.

  \[Y=X+\frac{{{R}^{2}}}{C.B}+S.R-B\]

   
  A)
  \[Y=X+{{R}^{\wedge }}2/(C*B)+S*R-B\] done clear
  B)
  \[Y=X+{{R}^{2}}/(C*B)+S*R-B\] done clear
  C)
  \[Y=X+{{R}^{2}}/C*B+S*R-B\] done clear
  D)
  \[Y=X+R*2/C*B+S*R-B\] done clear
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• question_answer4)
  What would be the output of the following program?

  A$ = MID$("Absolute Jelly Add" , 10, 5)

  PRINT A$

   
  A)
  elly A                done clear
  B)
  Absolute done clear
  C)
  Jelly            done clear
  D)
  Absolute done clear
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• question_answer5)
  In this mode, a QBASIC statement is executed as soon as you press the  key. It is the ___________.
  A)
  Program Mode done clear
  B)
  Status Mode done clear
  C)
  Intermediate Mode done clear
  D)
  Immediate Mode done clear
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• question_answer6)
  What will be the output of the given QBASIC codes?

  Code A	Code B
  FOR I = 1 TO 5 STEP 2	FOR I =1 TO 5 STEP 1
  PRINT I	PRINT I
  NEXT I	I=I+1
  	NEXT I

   
  A)

  Both will print

  1

  3

  5

  done clear
  B)

  Code A	Code B
  1	1
  3	2
  5	3
  	4
  	5

  done clear
  C)

  Code A	Code B
  1	1
  3	2
  5	4

  done clear
  D)

  Code A	Code B
  1	1
  2	3
  3	5
  4
  5

  done clear
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• question_answer7)
  What is the CORRECT code to set the whole background to red and foreground color to yellow?
  A)

  COLOR 6, 14

  PRINT "This text is yellow over red"

  done clear
  B)

  COLOR 14, 4

  CLS

  PRINT "This text is yellow over red"

  done clear
  C)

  COLOR 4, 14

  PRINT "This text is yellow over red"

  done clear
  D)

  COLOR 0.1, 14

  CLS

  PRINT "This text is yellow over red"

  done clear
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• question_answer8)
  What will be the output of the following QBASIC code?

  \[\begin{array}{*{35}{l}}    x\text{ }=\text{ }8  \\    IF\text{ (}x\text{ }=\text{ }5\text{) }THEN  \\    ~~~~~PRINT\text{ }''You\text{ }selected\text{ }5''  \\    ELSEIF\text{ (}x\text{ }=\text{ 6) }THEN  \\    ~~~~~PRINT\text{ }''You\text{ }selected\text{ }6''  \\    ELSEIF\text{ (}x\text{ }=\text{ 7) }THEN  \\    ~~~~~PRINT\text{ }''You\text{ }selected\text{ }7''  \\    ELSE  \\    ~~~~~PRINT\text{ }''You\text{ }made\text{ }an\text{ }invalid\text{ }choice''  \\    END\text{ }IF  \\ \end{array}\]

   
  A)
  You selected 5 done clear
  B)
  You selected 6 done clear
  C)
  You selected 7 done clear
  D)
  You made an invalid choice done clear
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• question_answer9)
  Match the QBASIC operator names given in Column-I with their corresponding operators given in Column-II.

  Column-I	Column-II
  (a) Logical Operators	(i) +, -, *, /, ^
  (b) Relation Operators	(ii) AND, OR, NOT
  (c) Arithmetic Operators	(iii) =, <>, >, <, <=, >=

   
  A)
  (a) - (i), (b) - (ii), (c) - (iii) done clear
  B)
  (a) - (ii), (b) - (i), (c) - (iii) done clear
  C)
  (a) - (ii), (b) - (iii), (c) - (i) done clear
  D)
  (a) - (iii), (b) - (i), (c) - (ii) done clear
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• question_answer10)
  What is the output of the following QBASIC code?

  \[\begin{array}{*{35}{l}}    NAME\${{=}^{\prime\prime}}ProjectScop{e}''\\PRINT\,\,LEN\left(NAME\$\right)\\\end{array}\].

   
  A)
  10                     done clear
  B)
  11 done clear
  C)
  12                     done clear
  D)
  13 done clear
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• question_answer11)
  Which of the following commands is used to display the graphics on the screen?
  A)
  CANVAS           done clear
  B)
  RESOLUTION done clear
  C)
  LOCATE           done clear
  D)
  SCREEN done clear
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• question_answer12)
  A GOTO statement __________.
  A)
  Instructs the computer to goto a specific statement associated with a label done clear
  B)
  Can be used to skip some statements done clear
  C)
  Can be used to repeat some statements done clear
  D)
  All of these done clear
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• question_answer13)
  What will be the value of the variable 'a' after executing the statement, a = abs (-6)?
  A)
  -6                     done clear
  B)
         0 done clear
  C)
  6                      done clear
  D)
  1 done clear
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• question_answer14)
  What would happen with the given lines of code?

  \[\begin{array}{*{35}{l}}    ~~~~~~~~~CLS  \\    ~~~~~~~~~COLOR\text{ }14,\text{ }2  \\ \end{array}\]

   
  A)
  Foreground color is set to yellow and background color is set to green. done clear
  B)
  Foreground color is set to green and background color is set to yellow. done clear
  C)
  Foreground color is set to green and background color is set to default. done clear
  D)
  Foreground color is set to blue and background color is set to green. done clear
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• question_answer15)
  Which of the following commands can be used to put a dot on screen with specified coordinate values when a graphics screen mode is used?
  A)
  GOSUB      done clear
  B)
  PSET done clear
  C)
  SCREEN      done clear
  D)
  LINE done clear
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• question_answer16)
  Select the CORRECT match.
  A)
  PSET (12, 4), 2 - Display a pixel at coordinates (12, 4) in dark green color done clear
  B)
  Line (5, 10) - (100, 50), 15, B - Make a box with white outline border done clear
  C)
  Circle (20, 25), 5 - Display a red circle with diameter 5 done clear
  D)
  Color 14, 15 - Set the foreground color to yellow and background color to purple done clear
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• question_answer17)

  Which of the given line of codes will cause the computer to produce the following result?

  'If the value of a string variable is YES, then transfer the control to the line labelled ONE'

  A)
  IF A - "YES" THEN GOSUB ONE done clear
  B)
  IF A\[\$\]= "YES" THEN GOSUB ONE done clear
  C)
  GOSUB ONE IF A\[\$\] = "YES" done clear
  D)
  IF A = "YES" TRANSFER ONE done clear
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• question_answer18)
  Read the following program and identify the line number with an error.   
  A)
  Line 1          done clear
  B)
  Line 2 done clear
  C)
  Line 3         done clear
  D)
  Line 4 done clear
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• question_answer19)
  Match the QBASIC variable names given in Column-I with their variable types given in Column-II.

  Column - I	Column - II
  (a) vara%	(i)  String type
  (b) varb&	(ii) Integer type
  (c) varc#	(iii) Long type
  (d) vard$	(iv) Double type

   
  A)
  (a) - (i), (b) - (iii), (c) - (iv), (d) - (ii) done clear
  B)
  (a) - (i), (b) - (ii), (c) - (iv), (d) - (iii) done clear
  C)
  (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i) done clear
  D)
  (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i) done clear
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• question_answer20)
  Which of the following is the CORRECT command to make a box filled with yellow color in QBASIC?
  A)

  SCREEN 13

  LINE (60, 10) - (60, 10), 9, BF

    done clear
  B)

  SCREEN 13

  LINE (10, 60) - (100, 100), 13, B

    done clear
  C)

  SCREEN 13

  LINE (10, 60) - (100, 100), 14, BF

    done clear
  D)

  SCREEN 13

  LINE (60, 10) - (10, 60), 4, BF

    done clear
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