IGCSE Computer Science Paper 2 Crossword: 7d Standard Methods of Solution and 8.1a Data Types and Variables (Modules 307–316)
Name:
Date:
Class:
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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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9
Across
- 2. Following an algorithm line by line with given data, recording each variable's value in a trace table, to find its output or purpose. Word 1 of: ___ run (3)
- 3. DECLARE creates a variable and sets its type. Here ______ can hold one ______ (a single character). Use : STRING instead for text, e.g. DECLARE FirstName : STRING. Word 2 of: _______ _______ : ____ (7)
- 6. To solve a described problem, list the inputs, pick the standard method, then write it: ______ variables, set start values, loop through the data, and OUTPUT the result. Word 1 of: _______, loop, OUTPUT (7)
- 8. The name of a variable, constant, procedure or function. Use PascalCase: letters and digits only, no spaces or underscores, start with a capital letter, e.g. FirstName. (10)
- 9. Word 3 of the term in 4 Down: _______ _______ : _______ (7)
Down
- 1. A named storage location in memory whose value can change while a program runs, such as Score going from 0 to 10. Programs use it to remember values. (8)
- 3. Capital letters do not matter in identifiers, so Countdown and CountDown are the same name. Never use names that differ only in case as two separate variables. Word 2 of: case ___________ (11)
- 4. Creates a variable called ______ that can only hold whole numbers. Use DECLARE name : TYPE, with a space either side of the colon, before you use the variable. Word 2 of: _______ _______ : _______ (7)
- 5. Fill each missing line or value by asking what the standard method (total, count, max, search, sort) needs at that point: start value, loop bound, condition or closing keyword. Word 3 of: complete the _________ (9)
- 7. Word 3 of the term in 3 Across: _______ _______ : ____ (4)
Answer Key
IGCSE Computer Science Paper 2 · Modules 307–316
1V
A
2D
R
Y
I
3I
N
I
T
I
A
L
4C
N
B
O
S
5A
L
U
6D
E
C
L
A
R
E
N
N
G
T
S
O
7C
8I
D
E
N
T
I
F
I
E
R
H
R
T
I
A
9I
N
T
E
G
E
R
V
H
E
M
Across
2DRY — Following an algorithm line by line with given data, recording each variable's value in a trace table, to find its output or purpose. Word 1 of: ___ run
3INITIAL — DECLARE creates a variable and sets its type. Here ______ can hold one ______ (a single character). Use : STRING instead for text, e.g. DECLARE FirstName : STRING. Word 2 of: _______ _______ : ____
6DECLARE — To solve a described problem, list the inputs, pick the standard method, then write it: ______ variables, set start values, loop through the data, and OUTPUT the result. Word 1 of: _______, loop, OUTPUT
8IDENTIFIER — The name of a variable, constant, procedure or function. Use PascalCase: letters and digits only, no spaces or underscores, start with a capital letter, e.g. FirstName.
9INTEGER — Word 3 of the term in 4 Down: _______ _______ : _______
Down
1VARIABLE — A named storage location in memory whose value can change while a program runs, such as Score going from 0 to 10. Programs use it to remember values.
3INSENSITIVE — Capital letters do not matter in identifiers, so Countdown and CountDown are the same name. Never use names that differ only in case as two separate variables. Word 2 of: case ___________
4COUNTER — Creates a variable called ______ that can only hold whole numbers. Use DECLARE name : TYPE, with a space either side of the colon, before you use the variable. Word 2 of: _______ _______ : _______
5ALGORITHM — Fill each missing line or value by asking what the standard method (total, count, max, search, sort) needs at that point: start value, loop bound, condition or closing keyword. Word 3 of: complete the _________
7CHAR — Word 3 of the term in 3 Across: _______ _______ : ____