Exam code: 9618
Describe the user-defined data type set.
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Write pseudocode statements to declare the set data type, SymbolSet, to hold the following set of mathematical operators, using the variable Operators.
+ – * / ^
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Describe the user‑defined data type record.
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A programmer defines a record, Order, to store the following data:
account number
order number
order price
order date.
Write pseudocode statements to define this record.
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Explain what is meant by non-composite and composite data types.
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Explain what is meant by the term non-composite data type and give an example of a non-composite data type.
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Write pseudocode statements to declare the set data type EvenNumbers to hold this set of even numbers between 2 and 12:
2, 4, 6, 8, 10,12
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Describe what is meant by enumerated and pointer data types.
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Describe what is meant by composite and non‑composite data types.
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A weather station program records the condition of the sky at each reading.
The sky condition is always exactly one of these five values:
Clear, Cloudy, Rain, Snow, Fog
Write the pseudocode statement to define the enumerated data type SkyState to hold these values.
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A program monitors the temperature inside a cold store. Each temperature is stored as a REAL value.
The program needs a user-defined non-composite data type that will hold the memory location of a temperature value, and a variable of that type.
Give the pseudocode statements to:
define the pointer data type TTempPointer
declare a variable TempStore of that type.
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A library program uses this user-defined data type:
TYPE MemberLevel = (Basic, Silver, Gold, Platinum)The variable ThisMember, of type MemberLevel, has already been declared.
Write pseudocode to:
store the value Silver in ThisMember
output the message Discount applies when ThisMember holds Gold or Platinum
output the message No discount in every other case.
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A programmer is choosing a composite user-defined data type for each of three requirements.
Complete the table by writing the most appropriate composite user-defined data type for each requirement.
Requirement | Composite data type |
|---|---|
A collection of the valid currency symbols used by a program. Every symbol is a CHAR and the order of the symbols does not matter. | |
A group of related items about one employee: family name, salary and start date. | |
A template that groups data together with the procedures and functions that operate on that data. |
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A sports club program already contains this user-defined data type:
TYPE Membership = (Junior, Adult, Senior)Write pseudocode statements to define the composite data type ClubMember to hold data about one member, including:
the family name of the member
the date the member joined the club
the membership category of the member.
Use the data type Membership in your answer.
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A sports club program contains these user-defined data types:
TYPE Membership = (Junior, Adult, Senior)
TYPE ClubMember
DECLARE FamilyName : STRING
DECLARE DateJoined : DATE
DECLARE Category : Membership
ENDTYPEThe program declares an array that has already been filled with the 200 members of the club:
DECLARE Members : ARRAY[1:200] OF ClubMemberWrite pseudocode to count how many members are in the Senior category, and to output that count after every member has been checked.
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