IGCSE Computer Science Paper 2 Crossword: 8.1c Procedures and Functions (Modules 419–428)
Name:
Date:
Class:
✎
Crossword
Read each clue and write the matching term in the grid. Numbers in brackets show the letters in each word.
1
2
3
4
5
6
7
8
9
10
Across
- 4. A common error when ______ is a function. CALL is only for procedures. A function returns a value, so use it in an expression, in OUTPUT, or store it in a variable. Word 2 of: CALL _________(2, 3) (9)
- 6. Word 1 of the term in 3 Down: _____ _____ (5)
- 7. Finding and fixing errors by checking a subroutine's header, parameter types, RETURN, CALL, end keyword and variable scope against the syntax rules. (9)
- 9. Word 1 of the term in 5 Down: ____ _______ (4)
- 10. Word 2 of the term in 8 Down: ______ ________ (8)
Down
- 1. Use a ______ when a task produces one value the program needs, such as an area; use a PROCEDURE when it only does something, such as OUTPUT a menu. (8)
- 2. Creates a local variable inside a procedure or function, e.g. ______ Length : INTEGER. It exists only while the subroutine runs and cannot be used in the main program. (7)
- 3. A ______ used to ______ a call: record the value given to each parameter, follow the procedure's statements, then return to the next line of the main program. Word 2 of: _____ _____ (5)
- 5. The section after all procedure and function definitions. It calls them in order, using CALL for procedures and function calls inside expressions or OUTPUT. Word 2 of: ____ _______ (7)
- 8. A ______ declared outside every subroutine, so the main program and any procedure or function can use and change it. It exists for the whole program. Word 1 of: ______ ________ (6)
Answer Key
IGCSE Computer Science Paper 2 · Modules 419–428
1F
2D
3T
4S
U
M
S
Q
U
A
R
E
A
5P
N
C
B
6T
R
A
C
E
L
L
O
T
A
7D
E
B
U
G
G
I
N
8G
R
R
O
L
E
9M
A
I
N
O
M
B
A
10V
A
R
I
A
B
L
E
Across
4SUMSQUARE — A common error when ______ is a function. CALL is only for procedures. A function returns a value, so use it in an expression, in OUTPUT, or store it in a variable. Word 2 of: CALL _________(2, 3)
6TRACE — Word 1 of the term in 3 Down: _____ _____
7DEBUGGING — Finding and fixing errors by checking a subroutine's header, parameter types, RETURN, CALL, end keyword and variable scope against the syntax rules.
9MAIN — Word 1 of the term in 5 Down: ____ _______
10VARIABLE — Word 2 of the term in 8 Down: ______ ________
Down
1FUNCTION — Use a ______ when a task produces one value the program needs, such as an area; use a PROCEDURE when it only does something, such as OUTPUT a menu.
2DECLARE — Creates a local variable inside a procedure or function, e.g. ______ Length : INTEGER. It exists only while the subroutine runs and cannot be used in the main program.
3TABLE — A ______ used to ______ a call: record the value given to each parameter, follow the procedure's statements, then return to the next line of the main program. Word 2 of: _____ _____
5PROGRAM — The section after all procedure and function definitions. It calls them in order, using CALL for procedures and function calls inside expressions or OUTPUT. Word 2 of: ____ _______
8GLOBAL — A ______ declared outside every subroutine, so the main program and any procedure or function can use and change it. It exists for the whole program. Word 1 of: ______ ________