Билеты по информатике 10 класс Visual Basic

 

Билет №1

                           1

Len (String)-Возвращает длину

строки String

Left (String,Length)-Возвращает левые

Length символов строки String

Right (String,Length)-Возвращает правые

Length символов строки String

Mid (String, Start[,Length] )-Возвращает

Length символов из строк String ,

начиная с символа с номером Start

Trim(String)-Убирает начальные и конеч-

ные пробелы в строке String

Ltrim(String)-Убирает начальные

 пробелы в строке String

Rtrim(String)-Убирает конечные

 пробелы в строке String

InStr ([Start,] String, String1[,Comp] )-Возв-

ращает позицию первого вхождения

String1 в строку String

                                    2

Sub Знаки( )

Dim S As String, Num As String

Dim nNum As Integer, i As Long

S = InputBox("Введите текст")

Num = "0123456789"

nNum = 0

For i = 1 To Len(S)

If (InStr(Num, Mid(S, i, 1))) > 0 Then

nNum = nNum + 1

End If

Next i

MsgBox ("Кол-во =" + Str(nNum))

End Sub

                                    3

Sub Swap(S As String, i As Long, j As Long)

Dim C As String

C = Mid(S, i, 1)

Mid(S, i, 1) = Mid(S, j, 1)

Mid(S, j, 1) = C

End Sub

Sub шифр( )

Dim S As String, Sogl As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

Sogl = "бвгджзклмнпрстфхцчшщъь"

S = InputBox("Ввод строки")

Gl = "аеиоуыэюяё"

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then

K = K + 1

If K > Len(Sogl) Then K = 1

S1 = S1 + Mid(Sogl, K, 1)

End If

Next i

For i = 1 To Len(S1) - 4 Step 5

Call Swap(S1, i, i + 4)

Call Swap(S1, i + 1, i + 3)

Next i

S = S1

MsgBox (S)

End Sub

                    4

Sub Раскодировщик()

Dim S As String, i As Long

Dim S1 As String, c As String

Dim Gl As String, K As Long

S = InputBox("Ввод шифра")

Gl = "аеиоуыэюяё"

For i = 1 To Len(S) - 4 Step 5

Call Swap(S, i, i + 4)

Call Swap(S, i + 1, i + 3)

Next i

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then i = i + 1

Next i

MsgBox (S1)

End Sub

                         5

Sub Замена( )

Dim S As String, S1 As String

Dim n As Long, C As String

S = InputBox("Ввод строки")

n = 0

For i = 1 To Len(S)

C = Mid(S, i, 1)

If Mid(S, i, 3) = "Имя" Then

 S1 = S1 + "Фамилия Имя Отчество"

 n = n + 1

 i = i + 2

ElseIf Mid(S, i, 7) = "Фамилия" Then

 S1 = S1 + "Фамилия Имя Отчество"

 i = i + 6

 n = n + 1

Else

 S1 = S1 + C

End If

Next i

MsgBox (S1)

MsgBox (n)

End Sub

Билет №2

                         1

Do While L  } S выполняется

       S            }если L-истина

Loop             }                      

Do                  }S выполняется

       S              }пока L-истина

Loop While L }

Do             }S выполняется

       S         }вечно, пока не

[exit do]     } будет перехода

Loop          } к exit do

While L      }то же, что и

        S         }Do while...Loop

Wend          }

Do Until L  }S выполняется

        S         }если L-ложь

Loop           }

Do                }S выполняется

        S           }пока L-ложь

Loop Until L}

                   

for i=i0 to iк step h}S выполняется

 S                           }пока i0 не дос-

[Exit for]               }тигнет значения

Next i                    }ik .Шаг – h

                          2

Sub Знаки()

Dim S As String, En As String

Dim nEn As Integer, i As Long

S = InputBox("Введите текст")

En = "abcdefghijklmnopqrstuvwxyz"

nEn = 0

For i = 1 To Len(S)

If (InStr(En, Mid(S, i, 1), 1)) > 0 Then

nEn = nEn + 1

End If

Next i

MsgBox ("Кол-во =" + Str(nEn))

End Sub

                               3

Sub Swap(S As String, i As Long, j As Long)

Dim c As String

c = Mid(S, i, 1)

Mid(S, i, 1) = Mid(S, j, 1)

Mid(S, j, 1) = c

End Sub

Sub шифр()

Dim S As String, Sogl As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

Sogl = "аеиоуыэюяё"

S = InputBox("Ввод строки")

Gl = "бвгджзклмнпрстфхцчшщъь"

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then

K = K + 1

If K > Len(Sogl) Then K = 1

S1 = S1 + Mid(Sogl, K, 1)

End If

Next i

For i = 1 To Len(S1) - 5 Step 6

Call Swap(S1, i, i + 5)

Call Swap(S1, i + 2, i + 3)

Call Swap(S1, i + 1, i + 4)

Next i

S = S1

MsgBox (S)

End Sub

                 4

Sub Раскодировщик()

Dim S As String, i As Long

Dim S1 As String, c As String

Dim Gl As String, K As Long

S = InputBox("Ввод шифра")

Gl = "бвгджзклмнпрстфхцчшщъь"

For i = 1 To Len(S) - 5 Step 6

Call Swap(S, i, i + 5)

Call Swap(S, i + 2, i + 3)

Call Swap(S, i + 1, i + 4)

Next i

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then i = i + 1

Next i

MsgBox (S1)

End Sub

                          5

Sub Замена()

Dim S As String, S1 As String

Dim n As Long, C As String

Dim Name As String

S = InputBox("Ввод строки")

Name = InputBox("Ввод Имени")

n = 0

For i = 1 To Len(S)

C = Mid(S, i, 1)

If Mid(S, i, 3) = "Имя" Then

 S1 = S1 + Name

 n = n + 1

 i = i + 2

ElseIf Mid(S, i, 7) = "Фамилия" Then

 S1 = S1 + Name

 i = i + 6

 n = n + 1

Else

 S1 = S1 + C

End If

Next i

MsgBox (S1)

MsgBox (n)

End Sub

Билет №3

                               1

If L then   }S выполняется

       S        }если L -истина

End If       }

If L1 then        }S1 выполняется

     S1                       }если L1 –истина.

Elseif L2 then  }если нет, то про-

       S2                     }веряется L2 и.т.д

- - - - - - - -      }если Ln-не истина

Elseif Ln then  }то выполняется

        Sn                   }Sn+1

Else                 }

       Sn+1                }

End if              }

                        2

Sub Знаки( )

Dim S As String, Rus As String

Dim nRus As Integer, i As Long

S = InputBox("Введите текст")

Rus = "абвгдежзиклмнопрстуфхцчшщъыьэюяё"

nRus = 0

For i = 1 To Len(S)

If (InStr(Rus, Mid(S, i, 1))) > 0 Then

nRus = nRus + 1

End If

Next i

MsgBox ("Кол-во =" + Str(nRus))

End Sub

                        3

Sub шифр()

Dim S As String, Sogl As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

S = InputBox("Ввод строки")

Gl = "аеиоуыэюяё"

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

K = K + 1

If K > Len(Gl) Then K = 1

S1 = S1 + Mid(Gl, K, 1)

Next i

For i = 1 To (Len(S1)) / 2

Call Swap(S1, i, Len(S1) - (i - 1))

Next i

S = S1

MsgBox (S)

End Sub

4

Sub шифр()

Dim S As String, Sogl As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

S = InputBox("Ввод шифра")

For i = 1 To (Len(S)) / 2

Call Swap(S, i, Len(S) - (i - 1))

Next i

For i = 1 To Len(S) Step 2

c = Mid(S, i, 1)

S1 = S1 + c

Next i

S = S1

MsgBox (S)

End Sub

                       5

Sub Замена()

Dim S As String, S1 As String

Dim n As Long, C As String

S = InputBox("Ввод строки")

n = 0

For i = 1 To Len(S)

C = Mid(S, i, 1)

If Mid(S, i, 1) = "&" Then

 S1 = S1 + "имя"

 n = n + 1

ElseIf Mid(S, i, 1) = "#" Then

 S1 = S1 + "имя"

  n = n + 1

Else

 S1 = S1 + C

End If

Next i

MsgBox (S1)

MsgBox (n)

End Sub

Билет №4

                             1

Select Case УСЛ} Если УСЛ равно

Case ЗН1            }ЗН1 то выполня-

       S1                 }ется S1, если ЗН2

Case ЗН2             }то S2 и т. д.Если

       S2                 }УСЛ не равно ни

-  -  -  -  -  -  -  -    }одному из ЗН, то

Case ЗНn             }выполняется Sn+1

        Sn                }

Case Else             }

        Sn+1            }

End Select            }

                              2

Sub Знаки( )

Dim S As String, Rus As String

Dim nRus As Integer, i As Long

S = InputBox("Введите текст")

Rus = "абвгдежзиклмнопрстуфхцчшщъыьэюяё"

nRus = 0

For i = 1 To Len(S)

If (InStr(Rus, Mid(S, i, 1))) > 0 Then

nRus = nRus + 1

End If

Next i

MsgBox ("Кол-во =" + Str(nRus))

End Sub

                            3

Sub Swap(S As String, i As Long, j As Long)

Dim c As String

c = Mid(S, i, 1)

Mid(S, i, 1) = Mid(S, j, 1)

Mid(S, j, 1) = c

End Sub

Sub шифр( )

Dim S As String, Sh As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

Sh = "Шаблон"

S = InputBox("Ввод строки")

Gl = "аеиоуыэюяё"

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then

K = K + 1

If K > Len(Sh) Then K = 1

S1 = S1 + Mid(Sh, K, 1)

End If

Next i

For i = 1 To (Len(S1)) / 2

Call Swap(S1, i, Len(S1) - (i - 1))

Next i

S = S1

MsgBox (S)

End Sub

4

Sub шифр()

Dim S As String, Sh As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

Sh = "Шаблон"

S = InputBox("Ввод строки")

Gl = "аеиоуыэюяё"

For i = 1 To (Len(S1)) / 2

Call Swap(S1, i, Len(S1) - (i - 1))

Next i

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then

i = i + 1

End If

Next i

S = S1

MsgBox (S)

End Sub

                       5

Sub Замена()

Dim S As String, S1 As String

Dim n As Long, C As String

S = InputBox("Ввод строки")

n = 0

For i = 1 To Len(S)

C = Mid(S, i, 1)

If Mid(S, i, 1) = "#" Then

S1 = S1 + "Имя"

i = i + 2

n = n + 1

ElseIf Mid(S, i, 3) = "Имя" Then

S1 = S1 + "#"

i = i + 2

n = n + 1

Else

S1 = S1 + C

End If

Next i

MsgBox (S1)

MsgBox (n)

End Sub

Билет №5

                                             1

Операторы описания типов переменных

DIM-описывает переменные и выделяет для них память.

Dim String as Type

String - имя переменной

Type - описание переменной

Описание

Размер

Тип данных

Диапазон

Byte

1б

Целое число

0-255

Integer

2б

Целое число

+ 32768

Long

4б

Целое число

+ 2 млрд.

Double

4б

Веществ.

+10+304

String

Len(String)

Символы

0-~64000

Boolean

2б

True/False

1;0

Variant

16б

Произвольн

Произв.

2

Sub Знаки( )

Dim S As String, Pr As String

Dim nPr As Integer, i As Long

S = InputBox("Введите текст")

Pr = ",.?!:;"

nPr = 0

For i = 1 To Len(S)

If (InStr(Pr, Mid(S, i, 1))) > 0 Then

nPr = nPr + 1

End If

Next i

MsgBox ("Кол-во =" + Str(nPr))

End Sub

                                              3

Sub Swap(S As String, i As Long, j As Long)

Dim c As String

c = Mid(S, i, 1)

Mid(S, i, 1) = Mid(S, j, 1)

Mid(S, j, 1) = c

End Sub

                                           

Sub шифр( )

Dim S As String, Sh As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

Sh = "Шаблон"

S = InputBox("Ввод строки")

Gl = "аеиоуыэюяё"

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then

K = K + 1

If K > Len(Sh) Then K = 1

S1 = S1 + Mid(Sh, K, 1)

End If

Next i

For i = 1 To Len(S1) - 1 Step 2

Call Swap(S1, i, i + 1)

Next i

For i = 1 To Len(S1) - 2 Step 3

Call Swap(S1, i, i + 2)

Next i

S = S1

MsgBox (S)

End Sub

4

Sub Раскодировщик( )

Dim S As String, i As Long

Dim S1 As String, c As String

Dim Gl As String, K As Long

S = InputBox("Ввод шифра")

Gl = "аеиоуыэюяё"

For i = 1 To Len(S) - 2 Step 3

Call Swap(S, i, i + 2)

Next i

For i = 1 To Len(S) - 1 Step 2

Call Swap(S, i, i + 1)

Next i

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then i = i + 1

Next i

MsgBox (S1)

End Sub

                          5

Sub Замена()

Dim S As String, S1 As String

Dim n As Long, C As String

S = InputBox("Ввод строки")

n = 0

For i = 1 To Len(S)

C = Mid(S, i, 1)

If Mid(S, i, 1) = "&" Then

 S1 = S1 + "Фамилия"

 n = n + 1

ElseIf Mid(S, i, 3) = "Имя" Then

 S1 = S1 + "Фамилия"

 i = i + 2

 n = n + 1

Else

 S1 = S1 + C

End If

Next i

MsgBox (S1)

MsgBox (n)

End Sub

Билет №6

                                       1

Array(Список)

Возвращает значение типа Variant,

содержащее массив

Пример:

Dim m as Variant

m=Array(1,7,-1,2,3)

m(0)=1

m(1)=7

m(2)=-1

m(3)=2

m(4)=3

                                         2

Sub Знаки( )

Dim S As String, Pr As String

Dim nPr As Integer, i As Long

S = InputBox("Введите текст")

Pr = ",.?!:;"

nPr = 0

For i = 1 To Len(S)

If (InStr(Pr, Mid(S, i, 1))) > 0 Then

nPr = nPr + 1

End If

Next i

MsgBox ("Кол-во =" + Str(nPr))

End Sub

                                              3

Sub Swap(S As String, i As Long, j As Long)

Dim C As String

C = Mid(S, i, 1)

Mid(S, i, 1) = Mid(S, j, 1)

Mid(S, j, 1) = C

End Sub

Sub шифр()

Dim S As String, Sh As String

Dim S1 As String, c As String

Dim Gl As String, K As Long

Dim i As Long

Sh = "Шаблон"

S = InputBox("Ввод строки")

Gl = "бвгджзклмнпрстфхцчшщъь"

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then

K = K + 1

If K > Len(Sh) Then K = 1

S1 = S1 + Mid(Sh, K, 1)

End If

Next i

For i = 1 To Len(S1) - 3 Step 4

Call Swap(S1, i, i + 3)

Call Swap(S1, i + 1, i + 2)

Next i

S = S1

MsgBox (S)

End Sub

                                    4

Sub Раскодировщик()

Dim S As String, i As Long

Dim S1 As String, c As String

Dim Gl As String, K As Long

S = InputBox("Ввод шифра")

Gl = "бвгджзклмнпрстфхцчшщъь"

For i = 1 To Len(S) - 3 Step 4

Call Swap(S, i, i + 3)

Call Swap(S, i + 1, i + 2)

Next i

For i = 1 To Len(S)

c = Mid(S, i, 1)

S1 = S1 + c

If InStr(Gl, c) > 0 Then i = i + 1

Next i

MsgBox (S1)

End Sub