IGCSE Computer Science Paper 2 Word Scramble: 8.1c Procedures and Functions (Modules 399–408)
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Word scramble
Unscramble the letters and write each key term on the line.
1
TPEERAAMR
An identifier in a subroutine definition that receives a value when the subroutine is called. It is used like a variable inside the subroutine and has a data type.
2
TSUERRN
Only a function has ______: it gives back a value used where it is called. A procedure ______ nothing and is run on its own with CALL.
3
OLACLUELTACATT
A Pascal case subroutine name: it starts with a capital letter, each word is capitalised, and it uses only letters and digits, with no spaces, no underscores and no starting digit.
4
ECPREODUR WMUSNEOH
Starts a procedure with no parameters: the keyword PROCEDURE, then its name with no brackets. Indented statements follow, and ENDPROCEDURE closes it.
5
LLAC LUDLTFEENIA
CALL followed by a procedure name runs that procedure. It is a complete statement written on its own line, e.g. ______. Control returns to the next line afterwards.
6
ALLC MUHONSWE()
Control passes to the subroutine, which runs its statements in order. After its last statement, control returns to the line that follows the call.
7
LCLA I60N(EL)
CALL runs the procedure Line and passes the value 60 in brackets into its parameter. A variable can be passed too, e.g. CALL Line(MySize). Different values give different results.
Answer Key
IGCSE Computer Science Paper 2 · Modules 399–408
1TPEERAAMR → parameter — An identifier in a subroutine definition that receives a value when the subroutine is called. It is used like a variable inside the subroutine and has a data type.
2TSUERRN → RETURNS — Only a function has RETURNS: it gives back a value used where it is called. A procedure returns nothing and is run on its own with CALL.
3OLACLUELTACATT → CalculateTotal — A Pascal case subroutine name: it starts with a capital letter, each word is capitalised, and it uses only letters and digits, with no spaces, no underscores and no starting digit.
4ECPREODUR WMUSNEOH → PROCEDURE ShowMenu — Starts a procedure with no parameters: the keyword PROCEDURE, then its name with no brackets. Indented statements follow, and ENDPROCEDURE closes it.
5LLAC LUDLTFEENIA → CALL DefaultLine — CALL followed by a procedure name runs that procedure. It is a complete statement written on its own line, e.g. CALL DefaultLine. Control returns to the next line afterwards.
6ALLC MUHONSWE() → CALL ShowMenu() — Control passes to the subroutine, which runs its statements in order. After its last statement, control returns to the line that follows the call.
7LCLA I60N(EL) → CALL Line(60) — CALL runs the procedure Line and passes the value 60 in brackets into its parameter. A variable can be passed too, e.g. CALL Line(MySize). Different values give different results.