Deck 12: Text Processing

Question 1

If the following pseudocode were an actual program,what would it display? ??Declare String str = "a1b2c3d4"?Declare Integer index?Declare Integer num = 0?For index = 0 To length(str)- 1? If isDigit(str[index])Then? Set num = num + 1? End If?End For?Display num

A)3
B)0
C)5
D)4
E)None of the above.

Answer 1

D

Question 2

Which of the following pseudocode statements uses substring notation to display the first character in a String variable named city?

A)Display city[0]
B)Display city[length - 1]
C)Display city[1]
D)All of the above
E)None of the above

Answer 2

A

Question 3

If the following pseudocode were an actual program,what would it display? ??Declare String str = "a1b2c3d4"?Declare Integer index?For index = 0 To length(str)- 1? If isLetter(str[index])Then? Set str[index] = "+"? End If?End For?Display str

A)+1+2+3+4+
B)+1+2+3+4
C)1+2+3+4
D)a+b+c+d+
E)None of the above.

Answer 3

B

Question 4

The insert library module automatically expands the size of the string to accommodate the inserted characters.

Question 5

If the following pseudocode were an actual program,what would it display? ??Declare String str = "uvwxyz"?delete(str,0,0)?delete(str,0,0)
Delete(str,0,0)?Display str

A)vwxyz
B)wxyz
C)xyz
D)uvwxyz
E)None of the above.

Question 6

What is the output of the following pseudocode???Declare String str = "ABC"?Display str[1]

A)A
B)B
C)C
D)ABC
E)Nothing.This is an error.

Question 7

Assuming the following variable declaration,??Declare String str = "ABC"??which of the following pseudocode statements displays the last character in the string?

A)Display str[0]
B)Display str[3]
C)Display str[length(str)]
D)Display str[length(str)- 1]
E)None of the above.

Question 8

Assuming the following variable declaration,??Declare String str = "bot"??which of the following pseudocode statements changes the variable's contents to "robot"?

A)Set str[0] = "ro"
B)Set str = str + "ro"
C)insert(str, 0, "ro")
D)insert(str, length(str), "ro")
E)None of the above.

Question 9

Most programming languages do not allow access to the individual characters in a string.

Question 10

If the following pseudocode were an actual program,what would it display? ??Declare String str = "morning"?insert(str,0,"Good")?Display str

A)Good morning
B)Goodmorning
C)Good
D)morning
E)None of the above.

Question 11

Assuming the following variable declaration,??Declare String str = "Miami"??which of the following pseudocode statements changes the variable's contents to "Mia"?

A)delete(str, 3, length(str))
B)delete(str, 3, 4)
C)Set str = str - "mi"
D)Set str[0] = "Mia"
E)None of the above.

Question 12

The stringToReal library function accepts a Real value as an argument and returns the String equivalent of the value.

Question 13

Assuming the following variable declaration,??Declare String str = "1234AB C"??which of the following pseudocode expressions will return True?

A)isDigit(str[3])
B)isDigit(str[4])
C)isLetter(str[3])
D)isWhiteSpace(str[7])
E)None of the above.

Question 14

Which of the following programs work extensively with text?

A)Word processors
B)Test messaging programs
C)Email applications
D)All of the above
E)None of the above

Question 15

The isWhiteSpace library function returns True if its argument is displayed on the screen using a white background color.

Question 16

Some programming tasks require that you access and/or manipulate the individual characters in a string.

Question 17

Assuming that a variable named ocean has been initialized with the string "Atlantic",which of the following library functions would return the first character in the string?

A)length(ocean)
B)toUpper(ocean)
C)substring(ocean, 0, 0);
D)contains(ocean, "A");
E)None of the above

Question 18

The expression isDigit("9")returns True.

Question 19

The isUpper library function converts a character to uppercase.

Question 20

If the following pseudocode were an actual program,what would it display? ??Declare String str = "royal"?delete(str,0,length(str)- 3)?Display str

A)yal
B)roy
C)al
D)oya
E)None of the above.

Question 21

A ____________ character is a space,a tab,or a newline.

Question 22

In pseudocode you can use the _________ library function to determine whether a character is lowercase.

Question 23

In pseudocode you can use the _________ library module to delete specific characters from a string.

Question 24

Some programming languages allow you to access a character within a string using _________ notation.

Question 25

When using subscript notation in most programming languages,the subscript of the last character would be one less than the string's _________.

Question 26

In pseudocode you can use the _________ library function to determine whether a character is an alphabetic letter.

Question 27

In pseudocode you can use the _________ library function to determine whether a character is whitespace.

Question 28

When using a programming language that supports subscript notation,an error will occur if you use a subscript on an ____________ String variable.

Question 29

In pseudocode you can use the _________ library module to insert a string into another string.

Question 30

In pseudocode you can use the _________ library function to determine whether a character is uppercase.

Question 31

In pseudocode you can use the _________ library function to determine whether a character is a numeric digit.