IGCSE Computer Science Paper 2 Crossword: 8.1c Procedures and Functions (Modules 409–418)
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Date:
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Crossword
Read each clue and write the matching term in the grid. Numbers in brackets show the letters in each word.
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Across
- 2. Starts a ______ with no parameters: the name has no brackets, ______ gives the data type of the value sent back, and ENDFUNCTION closes the ______. Word 3 of: ________ GetPi _______ ____ (7)
- 7. Word 2 of the term in 1 Down: ________ _________(Number1:_______, Number2:_______) _______ _______ (9)
- 8. The function runs, and the value it returns is stored in the variable on the left of the arrow. You can use that variable later. Its type must match the function's return type. Word 1 of: _____ ← _________(3, 4) (5)
- 9. Word 4 of the term in 2 Across: ________ GetPi _______ ____ (4)
- 10. Word 1 of the term in 2 Across: ________ GetPi _______ ____ (8)
Down
- 1. A function header lists each parameter in brackets as name:TYPE, then RETURNS and the return type. The body uses the parameters in a RETURN expression and ends with ENDFUNCTION. Word 4 of: ________ _________(Number1:_______, Number2:_______) _______ _______ (7)
- 3. ______ followed by a value or expression sends that value back to where the function was called, e.g. ______ Number1 * Number1. It also ends the function. (6)
- 4. A function that RETURNS a BOOLEAN can be called straight in an IF or WHILE condition. The call gives TRUE or FALSE, so no comparison is needed. Word 2 of: IF ______(Number) THEN (6)
- 5. Puts a function call inside ______. The function runs first, then the value it RETURNs is displayed. Text can be added: ______ "Sum = ", SumSquare(10, 20). Word 1 of: ______ _________(10, 20) (6)
- 6. Each value in a ______ must match its parameter in number, order and data type, so a STRING cannot go to an INTEGER parameter and values cannot be swapped or left out. Word 1 of: ____ Name(value1, value2) (4)
Answer Key
IGCSE Computer Science Paper 2 · Modules 409–418
1I
N
T
2R
E
T
U
3R
N
S
4I
5O
G
E
6C
7S
U
M
S
Q
U
A
R
E
8T
O
T
A
L
E
T
R
U
L
V
P
9R
E
A
L
E
10F
U
N
C
T
I
O
N
N
T
Across
2RETURNS — Starts a ______ with no parameters: the name has no brackets, ______ gives the data type of the value sent back, and ENDFUNCTION closes the ______. Word 3 of: ________ GetPi _______ ____
7SUMSQUARE — Word 2 of the term in 1 Down: ________ _________(Number1:_______, Number2:_______) _______ _______
8TOTAL — The function runs, and the value it returns is stored in the variable on the left of the arrow. You can use that variable later. Its type must match the function's return type. Word 1 of: _____ ← _________(3, 4)
9REAL — Word 4 of the term in 2 Across: ________ GetPi _______ ____
10FUNCTION — Word 1 of the term in 2 Across: ________ GetPi _______ ____
Down
1INTEGER — A function header lists each parameter in brackets as name:TYPE, then RETURNS and the return type. The body uses the parameters in a RETURN expression and ends with ENDFUNCTION. Word 4 of: ________ _________(Number1:_______, Number2:_______) _______ _______
3RETURN — ______ followed by a value or expression sends that value back to where the function was called, e.g. ______ Number1 * Number1. It also ends the function.
4ISEVEN — A function that RETURNS a BOOLEAN can be called straight in an IF or WHILE condition. The call gives TRUE or FALSE, so no comparison is needed. Word 2 of: IF ______(Number) THEN
5OUTPUT — Puts a function call inside ______. The function runs first, then the value it RETURNs is displayed. Text can be added: ______ "Sum = ", SumSquare(10, 20). Word 1 of: ______ _________(10, 20)
6CALL — Each value in a ______ must match its parameter in number, order and data type, so a STRING cannot go to an INTEGER parameter and values cannot be swapped or left out. Word 1 of: ____ Name(value1, value2)